Mechanic behavior of unloading fractured rock mass
机械工程学专业词汇英语翻译(M)2
机械工程学专业词汇英语翻译(M)2mechanical property 力学性质mechanical reactance 力学阻抗mechanical recovery 力学恢复mechanical relaxation 力学弛豫mechanical resistance 力学阻力mechanical similitude 力学相似mechanical strength 机械强度mechanical stress 力学应力mechanical system 力学系mechanical system of units 力学单位制mechanical test 机械试验mechanical turbulence 力学湍流mechanical viscosity 机械粘度mechanical wave resistance 机械波阻mechanical work 力学功mechanically similar 力学相似的mechanics 力学mechanics of explosion 爆炸力学mechanics of granular medium 粒状介质力学mechanics of lung 肺力学mechanics of materials 材料力学mechanics of microcirculation 微循环力学mechanics of rigid body 刚体力学mechanism 机构mechatronics 机电学median line 中线medium 介质medium diameter 中径medium pressure 中等压力mega 兆megacycle 兆赫兹megadynamics 巨动力学megahertz 兆赫兹megawatt 兆瓦melting pressure 熔化压力membrane 膜membrane analogy 薄膜比似membrane element 膜元membrane strain 膜应变membrane stress 薄膜应力membrane theory of shells 壳体薄膜理论membrane valve 隔膜阀membrane wave 薄膜波memory function 记忆函数memory integral 记亿积分meniscus 弯液面meridian 子午线meridian plane 子午面meridian stress 经线应力merrington effect 梅林顿效应mesh 筛孔mesomorphic phase 介晶态mesopause 中间层顶mesosphere 中间层metacenter 定倾中心metacentric height 定倾中心高度metacentric radius 定倾半径metal construction 金属构件metallic material 金属材料metastability 亚稳定性metastable equilibrium 亚稳平衡metastable level 亚稳能级metastable phase 亚稳相metastable state 亚稳态meteorological thermodynamics 气象热力学meteorology 气象学meter 米meter constant 仪表常数metering 计量；测量method 方法method of approximation 近似法method of central differences 中心差分法method of characteristic curves 特者法method of dimensionality analysis 量纲分析method of forces 力的方法method of hydrodynamic images 铃力学镜像法method of joints 结点法method of perturbation 摄动法method of section 断面法method of successive approximation 逐步近似法method of undeterminated coefficients 待定系数法metre 米metric 米制的metric system 公制metric tensor 度量张量mhd couette flow 磁铃动力库埃特怜mhd power generation 磁铃动力发电mhd shock wave 磁铃动力激波micro crystal 微晶体micro fluid 微观铃micro oscillation 微振荡micro strain 微应变microbarograph 微压计microbarometer 微气压计microcavity 微腔microcomputer 微型计算机microconvection 微对流microcrack 微裂纹microcreep 微蠕变microcrystalline structure 微晶结构microdensitometer 微密度计microfissure 微观裂纹micrography 显微照相术microhardness 微硬度microhardness test 微硬度检验microinstability 微观不稳定性microlite 微晶microlith 微晶micromanometer 测微压力计micromechanics 微观力学micrometric displacement 微位移micromixing 微观混合micromotion 微移动micron 微米microscopic analysis 显微分析microscopic crack 微裂纹microscopic hole 微孔microscopic instability 微观不稳定性microsecond 微秒microsection 显微薄片microseisms 微震microslip 微滑移microslip line 微滑移线microstress 微应力microstructure 微结构microvibrograph 微囊仪microviscosimeter 微粘度计microviscosity 微粘度microwave 微波middle course 中心线middle pressure 平均压力middle surface 中面migrating layer 迁移层migration 移动migration energy 迁移能migration length 迁移长度migration loss 迁移损耗miller's indices 密勒指数million 兆millisecond blasting 毫秒爆破millitorr 毫托minimal 最小的minimal curve 极小曲线minimization 极小化minimizing 极小化minimum 最小minimum deviation 最小偏差minimum entropy principle 最小熵原理minimum limit of size 最小极限尺寸minimum loading 最小载荷minimum permissible cross section 最小容许截面minimum phase shift system 最小相移系统minimum potential energy theorem 最小势能定理minimum pressure 最小压力minimum principle 最小原理minimum surface 极小曲面minimum value 最小值minimum work 最小功minor 较小的minute 分minute of time 时分misalignment 位移mises plastic condition 米泽斯塑性条件mises yield condition 米泽斯屈服条件mismatch 失配missile 导弹mist flow 雾状流雾化怜mixed flow 混流mixed flow turbine 混两水轮机mixed fracture 混合断口mixed friction 混合摩擦mixed gas 混合煤气mixed method 混合法mixed product 混合积mixed wave 混合型波mixing 混合mixing coefficient 混合系数mixing energy 混合能mixing layer 混合层mixing length 混合长度mixing work 混合功mixture 混合物mixture of fluid 铃混合物mks system 米千克秒制mobile 可移动的mobile equilibrium 怜平衡mobility 活动性mock up 实体模型modal analysis 模态分析modal combination 振型组合modal superposition 模态叠加mode admittance 模式导纳mode conversion 模式变换mode function 模式函数mode impedance 模式阻抗mode of normal vibrations 正常振动模式mode of vibration 振动模式mode transformation 模式变换model 模型model experiment 模型实验model mechanics 模型力学model of oscillating liquid drop 振荡液滴模型model test 模型实验modelling 模型化modelling of multiphase flow 多相粒拟moderate gale 疾风moderate sea 中浪moderate wind 和风moderation 减速modern control theory 现代控制理论modification 变态modified mathieu function 修正马提厄函数modified rayleigh number 修正瑞利数modulation 灯modulation frequency 灯频率module of plastic strain 塑性应变模量modulus 模数modulus of compressibility 体积弹性横量modulus of compression 压缩模量modulus of deformation 形变模量modulus of elasticity 弹性横量modulus of elasticity for tension 拉伸弹性模量modulus of elasticity of volume 体积弹性模量modulus of inelastic buckling 非弹性屈曲模量modulus of longitudinal elasticity 纵弹性模量modulus of resistance 阻力模数modulus of rupture 裂断模量modulus of the foundation 基础模量modulus of torsion 扭转弹性模量modulus of volume elasticity 体积横量mohr area moment circle 莫尔面积矩圆mohr circle for inertia 莫尔面积矩圆mohr criterion 莫尔准则mohr envelope of rupture 断裂的莫尔包迹mohr land area moment circle 莫尔兰德面积矩圆mohr stress circle 莫尔应力圆mohr's strength theory 莫尔强度理论mohs hardness 莫氏硬度mohs hardness scale 莫氏硬度标moist adiabat 湿绝热线moisture 湿度molecular diffusion 分子扩散molecular dynamics 分子动力学molecular flow 分子怜molecular force 分子力molecular mechanics 分子力学molecular velocity 分子速度molecular vibrations 分子振动molecular viscosity 分子粘度mollification 软化moment 矩moment area 力矩面积moment arm 力矩臂moment at the support 支点弯矩moment coefficient 力矩系数moment diagram 力矩图moment distribution method 力矩分配法moment ellipsoid 惯量椭球moment equation 力矩方程moment method 矩法moment of couple 力偶矩moment of first order 一次矩moment of force 力矩moment of impulse 冲量矩moment of inertia 惯性矩moment of inertia about a line 轴惯性矩moment of momentum 角动量moment of percussion 撞沪矩moment of pivoting friction 枢轴动摩擦力矩moment of resistance 阻抗力矩moment of rolling friction 滚动摩擦力矩moment of rotation 转动力矩moment of rupture 破断力矩moment of sliding friction 滑动摩擦力矩moment problem 矩问题momental ellipse 惯量椭圆momentary force 瞬时力momentary overload 瞬时过载momentary value 瞬时值momentum 动量momentum coefficient 动量系数momentum compaction factor 动量压缩因数momentum conservation 动量守恒momentum conservation law 动量守恒定律momentum deficit thickness 动量损失厚度momentum density 动量密度momentum density tensor 动量密度张量momentum distribution 动量分布momentum ellipse 动量椭圆momentum ellipsoid 动量椭球momentum energy space 动量能量空间momentum equation 动量方程momentum flow tensor 动量僚量momentum flux 动量通量momentum flux tensor 动量僚量momentum integral 动量积分momentum loss thickness 动量损失厚度momentum of system 系统的动量momentum of the impact 碰撞动量momentum screw 动量螺旋momentum space 动量空间momentum spectrum 动量谱momentum sphere 动量球momentum tensor 动量张量momentum transfer 动量转移momentum transfer equation 动量转移方程momentum vector 动量矢量monin obukhov length 莫宁奥布霍夫长度monoatomic gas 单原子气体monochromatic source 单色光源monocoque 硬壳式结构monocrystal 单晶monophase action potential 单相酌势monophase system 单相系monoplane 单翼机monopropellant 单元推进剂monte carlo method 蒙特卡罗法moody diagram 穆迪图moon rocket 月球火箭moon's gravity acceleration 月球引力加速度mooney plasticity 穆尼塑性mooney viscosity 穆尼粘度morison formula 莫里森公式morse equation 莫尔斯方程morse function 莫尔斯函数morse potential function 莫尔斯势函数mosaic structure 嵌镶构造most probable value 最可几值motion 运动motion decomposition 运动分解motion equation 运动方程motion in a straight line 直线运动motion of center of mass 质心运动motional impedance 动阻抗motionless satellite 同步卫星motive force 起动力motor 发动机mounting 安装movable 可移动的movable bearing 可动轴承movable bed 动床movable load 活载荷movable support 活动支座movable vane 可动叶片movement 运动movement group 运动群movement of the top 陀螺运动movement stability 运动稳定性moving average method 移动平均法moving axode 动瞬轴面moving bed 移动床moving blade 转动叶片moving boundary method 移动边界方法moving centrode 动瞬心迹moving coil gradiometer 动圈重力梯度计moving in 进入moving load 活动荷载moving medium 动介质moving reference system 动参考系moving source 移动源moving system 运动系统muffler 消声器multi layer structure 多层结构multi parameter analysis 多参数分析multi plane balancing 多平面平衡法multi stage rocket 多级火箭multichannel instrument 多道仪器multicomponent system 多元系multidimensional analysis 多维分析multigrid method 多重网格法multilayer film 多层膜multilayered shell 多层壳multiphase flow 多相流multiphase mixture 多相混合物multiphase porous flow 多相渗流multiphase structure 多相结构multiple 倍数multiple acceleration 多重加速度multiple action potential 多重酌势multiple correlation coefficient 多重相关系数multiple formation 多重形成multiple fourier series 多重傅里叶级数multiple fourier transform 多重傅里叶变换multiple frequency oscillator 多频振荡器multiple pendulum 多重摆multiple resonance 复合共振multiple slip 复滑移multiple source 多束源multiple stage expansion 多级膨胀multiplicity 多重性multipropellant 多元推进剂multishock compression 多次冲还缩multistage compression 多级压缩multistage reaction turbine 多级反唤涡轮机multistage turbine 多级涡轮mutation rate 突变速率mutual action 相互酌mutual exchange 互换mutual friction 互摩擦mutual interaction 相互酌mutual interchange 相互交换myria 万。
工程流体力学英语
工程流体力学英语Engineering Fluid MechanicsThe study of fluid mechanics is a fundamental aspect of engineering, as it underpins the design and analysis of a wide range of systems and devices. Fluid mechanics encompasses the behavior of liquids and gases, and its principles are essential in fields such as aeronautics, mechanical engineering, civil engineering, and chemical engineering.One of the primary areas of focus in fluid mechanics is the concept of fluid flow. This includes the study of the properties of fluids, such as density, viscosity, and compressibility, as well as the forces acting on them. Fluid flow can be classified into two main types: laminar flow, where the fluid particles move in parallel layers, and turbulent flow, where the fluid particles move in a chaotic, unpredictable manner.Understanding the behavior of fluids in both laminar and turbulent flow is crucial for various engineering applications. For example, in the design of aircraft wings, the study of fluid mechanics is essential to determine the lift and drag forces acting on the wing, which inturn influences the aircraft's performance and efficiency. Similarly, in the design of hydraulic systems, such as pumps and valves, fluid mechanics principles are used to ensure the optimal flow of fluids and the minimization of energy losses.Another important aspect of fluid mechanics is the study of pressure and buoyancy. Pressure, which is the force exerted by a fluid on a surface, plays a crucial role in the design of structures, such as dams and pipelines, as well as in the operation of various devices, such as hydraulic brakes and pneumatic systems. Buoyancy, on the other hand, is the upward force exerted by a fluid on an object immersed in it, and it is a fundamental principle in the design of ships, submarines, and other floating structures.In addition to these fundamental concepts, fluid mechanics also encompasses the study of more complex phenomena, such as boundary layer theory, which describes the behavior of fluids near solid surfaces, and computational fluid dynamics (CFD), which involves the use of computer simulations to model and analyze fluid flow.The application of fluid mechanics principles is not limited to the design and analysis of engineering systems. It also plays a crucial role in various natural phenomena, such as the movement of air and water, the formation of weather patterns, and the behavior ofbiological systems, such as the circulatory system in the human body.Overall, the study of engineering fluid mechanics is a vast and complex field, with numerous applications across a wide range of industries. As technology continues to evolve, the importance of fluid mechanics in engineering design and analysis will only continue to grow, making it an essential subject for students and professionals alike.。
断裂动力学
断裂动力学duanlie donglixue断裂动力学fractu re dynamics断裂力学的一个分支,又称动态断裂力学,它在考虑受载物体各处惯性的基础上，用连续介质力学的方法研究固体在高速加载或裂纹高速扩展条件下的裂纹扩展和断裂规律。
脆性材料在加工、碰撞和冲击下的破坏，地震和地震对结构的影响，天然气管道的破裂都属于断裂动力学研究的范围。
军事工程中许多爆裂和防爆问题都涉及断裂动力学。
简史 19世纪末至20世纪初，英国的J.霍普金森和B.霍普金森父子对应力波引起的动态破裂问题进行了系统的实验观察和研究。
第二次世界大战后，工业特别是军事工业的发展，极大地促进了在有应力波或高速加载的条件下，材料和结构断裂规律的研究。
1921年英国的A.A.格里菲思从能量平衡的观点出发，提出了裂纹扩展引起脆性材料断裂的理论。
1948年，英国的N.F.莫脱在格里菲思的能量平衡关系中考虑了动能的影响，研究了断裂过程中裂纹快速扩展的问题，并引出了裂纹扩展的极限速度的概念。
20世纪50年代以后，线弹性断裂力学的发展和完善,以及弹塑性断裂力学的兴起,为断裂动力学提供了新的理论分析方法。
例如，应力强度因子、裂纹扩展力、应变能密度因子、裂纹张开位移(见COD 法)、积分'"class=link>积分等参量以及与它们有关的理论，在考虑相应的动态效应之后，都被用来讨论裂纹的动态扩展问题，从而促进了断裂动力学的发展。
研究内容断裂动力学研究的内容包括：①动态断裂判据,它是判定某一动态断裂现象是否出现的依据,包括：在动载条件下裂纹的起始和失稳扩展判据，快速扩展裂纹的分岔判据，快速扩展裂纹的停止（止裂）判据等；②裂纹快速扩展的极限速度；③裂纹快速扩展中的能量转换；④快速扩展裂纹顶端附近的应力场和应变场；⑤应力波和扩展裂纹的相互影响；⑥高应变率条件下的材料特性及其对高速扩展裂纹的阻力的影响；⑦动态断裂力学参量和固体微观机制的联系。
地质工程专业常用英文词汇
1阐述expound（explain), state引入introduce into相应的corresponding概念conception概论overview概率probability概念化conceptualize宏观的macroscopic补充complement规划plan证明demonstrate, certify, attest证实confirmation补偿compensate, make up，imburse算法algorithm判别式discriminant有限元方法finite element method（FEM）样本单元法sample element method（SEM）赤平投影法stereographic projection method（SPM) 赤平投影stereographic projection干扰位移法interference displacement method(IDM) 干扰能量法interference energy method（IEM)条分法method of slices极限平衡法limit equilibrium method界面元法boundary element method模拟simulate计算程序computer program数值分析numerical analysis计算工作量calculation load解的唯一性uniqueness of solution多层结构模型laminated model非线性nonlinear横观各向同性lateral isotropy各向同性isotropy各向异性anisotropy非均质性heterogeneity边界条件boundary condition本构方程constitutive equation初始条件initial condition初始状态rest condition岩土工程geotechnical engineering,土木工程civil engineering基础工程foundation engineering最不利滑面the most dangerous slip surface交替alternate控制论cybernetics大量现场调查mass field surveys组合式combined type相互作用interaction稳定性评价stability evaluation均质性homogeneity介质medium层layer, stratum组构fabric1地形地貌geographic and geomorphic工程地质条件engineering geological conditions地形地貌条件geographic and geomorphic conditions 地形land form地貌geomorphology，relief微地貌microrelief地貌单元landform unit, geomorphic unit坡度grade地形图relief map河谷river valley河道river course 河床river bed（channel)冲沟gully, gulley, erosion gully，stream(brook) 河漫滩floodplain(valley flat)阶地terrace冲积平原alluvial plain三角洲delta古河道fossil river course, fossil stream channel冲积扇alluvial fan洪积扇diluvial fan坡积裙talus apron分水岭divide盆地basin岩溶地貌karst land feature，karst landform溶洞solution cave, karst cave落水洞sinkhole土洞Karstic earth cave2地层岩性地层geostrome （stratum，strata）岩性lithologic character, rock property岩体rock mass岩层bed stratum岩层layer，rock stratum母岩matrix，parent rock相变facies change硬质岩strong rock，film软质岩weak rock硬质的competent软质的incompetent基岩bedrock岩组petrofabric覆盖层overburden交错层理cross bedding层面bedding plane片理schistosity层理bedding板理（叶理）foliation波痕ripple—mark泥痕mud crack雨痕raindrop imprints造岩矿物rock-forming minerals粘土矿物clay mineral高岭土kaolinite蒙脱石montmorillonite伊利石illite云母mica白云母muscovite黑云母biotite石英quartz长石feldspar正长石orthoclase斜长石plagioclase辉石pyroxene，picrite角闪石hornblende方解石calcite构造structure结构texture组构fabric(tissue)矿物组成mineral composition结晶质crystalline非晶质amorphous产状attitude火成岩igneous岩浆岩magmatic rock火山岩(熔岩）lava2火山volcano侵入岩intrusive(invade) rock 喷出岩effusive rock深成岩plutonic rock浅成岩pypabysal rock酸性岩acid rock中性岩inter-mediate rock基性岩basic rock超基性岩ultrabasic rock岩基rock base (batholith)岩脉（墙）dike岩株rock stock岩流rock flow岩盖rock laccolith (laccolite) 岩盆rock lopolith岩墙rock dike岩床rock sill岩脉vein dyke花岗岩granite斑岩porphyry玢岩porphyrite流纹岩rhyolite正长岩syenite粗面岩trachyte闪长岩diorite安山岩andesite辉长岩gabbro玄武岩basalt细晶岩aplite伟晶岩pegmatite煌斑岩lamprophyre辉绿岩diabase橄榄岩dunite黑曜岩obsidian浮岩pumice火山角砾岩vulcanic breccia火山集块岩volcanic agglomerate凝灰岩tuff沉积岩sedimentary rock碎屑岩clastic rock粘土岩clay rock粉砂质粘土岩silty claystone化学岩chemical rock生物岩biolith砾岩conglomerate角砾岩breccia砂岩sandstone石英砂岩quartz sandstone粉砂岩siltstone钙质粉砂岩calcareous siltstone泥岩mudstone页岩shale盐岩saline石灰岩limestone白云岩dolomite泥灰岩marl泥钙岩argillo—calcareous泥砂岩argillo-arenaceous砂质arenaceous泥质argillaceous硅质的siliceous有机质organic matter粗粒coarse grain中粒medium—grained 沉积物sediment (deposit)漂石、顽石boulder卵石cobble砾石gravel砂sand粉土silt粘土clay粘粒clay grain砂质粘土sandy clay粘质砂土clayey sand壤土、亚粘土loam砂壤土、亚砂土轻亚粘土sandy loam浮土、表土regolith (topsoil)黄土loess红土laterite泥灰peat软泥ooze淤泥mire, oozed mud，sludge，warp clay 冲积物(层）alluvion冲积的alluvial洪积物(层）proluvium，diluvium，diluvion洪积的diluvial坡积物（层）deluvium残积物（层) eluvium残积的eluvial风积物（层）eolian deposits湖积物(层) lake deposits海积物（层）marine deposits冰川沉积物(层）glacier (drift）deposits崩积物（层）colluvial deposits，colluvium残积粘土residual clay变质岩metamorphic rock板岩slate千枚岩phyllite片岩schist片麻岩gneiss石英岩quartzite大理岩marble糜棱岩mylonite混合岩migmatite碎裂岩cataclasite3地质构造地质构造geologic structure结构构造structural texture大地构造geotectonic构造运动tectogenesis造山运动orogeny升降运动vertical movement水平运动horizontal movement完整性perfection（integrity）起伏度waviness尺寸效应size effect围压效应confining pressure effect产状要素elements of attitude产状attitude, orientation走向strike倾向dip倾角dip angle，angle of dip褶皱fold褶曲fold单斜monocline向斜syncline背斜anticline穹隆dome3挤压squeeze上盘upper section下盘bottom wall, footwall, lower wall断距separation相交intersect断层fault正断层normal fault逆断层reversed fault平移断层parallel fault层理bedding，stratification微层理light stratification地堑graben地垒horst, fault ridge断层泥gouge, pug，selvage，fault gouge 擦痕stria，striation断裂fracture破碎带fracture zone节理joint节理组joint set裂隙fissure, crack微裂隙fine fissure, microscopic fissure劈理cleavage原生裂隙original joint次生裂隙epigenetic joint张裂隙tension joint剪裂隙shear joint卸荷裂隙relief crack裂隙率fracture porosity结构类型structural pattern岩体结构rock mass structure岩块block mass结构体structural element块度blockness结构面structural plane软弱结构面weak plane临空面free face碎裂结构cataclastic texture板状结构platy structure薄板状lamellose块状的lumpy, massive层状的laminated巨厚层giant thick—laminated薄层状的finely laminated软弱夹层weak intercalated layer夹层inter bedding,intercalated bed, interlayer, intermediate layer 夹泥层clayey intercalation夹泥inter—clay连通性connectivity切层insequent影响带affecting zone完整性integrity n。
流体力学专业英语
流体力学专业英语Fluid Mechanics: A Comprehensive ExplorationFluid mechanics is a captivating field of study that delves into the intricate behavior of fluids, encompassing both liquids and gases. This discipline is of paramount importance in numerous industries, from aerospace engineering to biomedical applications, and its principles are fundamental to our understanding of the natural world. As a specialized area of study, fluid mechanics requires a deep understanding of the underlying principles and the ability to apply them effectively in various contexts.One of the core concepts in fluid mechanics is the study of fluid statics, which focuses on the behavior of fluids at rest. This includes the analysis of pressure distributions, buoyancy, and the application of the hydrostatic equation. Understanding fluid statics is crucial in the design of hydraulic systems, underwater structures, and even in the study of atmospheric phenomena, such as weather patterns and ocean currents.In contrast, fluid dynamics explores the motion of fluids, examining the forces and principles that govern their behavior. This domainencompasses the study of viscosity, boundary layers, and the various types of fluid flow, including laminar, turbulent, and compressible flow. The application of fluid dynamics principles is essential in the design of aircraft, ships, and various engineering systems that involve the movement of fluids.Another important aspect of fluid mechanics is the concept of dimensional analysis and similarity. This approach allows researchers and engineers to draw parallels between different fluid systems, enabling the extrapolation of experimental data and the development of scaled models. By understanding the dimensionless parameters that govern fluid behavior, professionals can optimize the design and performance of a wide range of systems, from hydraulic turbines to wind tunnels.The field of fluid mechanics also encompasses the study of computational fluid dynamics (CFD), which utilizes advanced numerical techniques to simulate and analyze the behavior of fluids. CFD has become an indispensable tool in the design and optimization of various engineering systems, as it allows for the prediction of fluid flow patterns, pressure distributions, and other critical parameters without the need for extensive physical experimentation.In addition to its technical applications, fluid mechanics also plays acrucial role in the understanding of natural phenomena. The study of fluid mechanics has contributed to our understanding of meteorology, oceanography, and even the dynamics of the human circulatory system. By examining the behavior of fluids in these complex systems, researchers can better predict and mitigate the impact of natural disasters, improve the efficiency of renewable energy systems, and enhance our understanding of the human body.As a specialized field of study, fluid mechanics requires a strong foundation in mathematics, physics, and engineering principles. Professionals in this discipline must possess a deep understanding of the governing equations, such as the Navier-Stokes equations, and the ability to apply them in various contexts. Additionally, the ability to interpret experimental data, design and conduct fluid mechanics experiments, and effectively communicate findings to interdisciplinary teams is essential for success in this field.In conclusion, fluid mechanics is a dynamic and multifaceted discipline that plays a crucial role in a wide range of industries and scientific endeavors. From the design of aircraft and ships to the understanding of natural phenomena, the principles of fluid mechanics are fundamental to our ability to harness the power of fluids and improve the world around us. As technology continues to advance, the field of fluid mechanics will undoubtedly continue toevolve, offering new challenges and opportunities for researchers, engineers, and innovators alike.。
拉格朗日力学英文
拉格朗日力学英文Lagrangian MechanicsLagrangian mechanics is a formulation of classical mechanics that describes the motion of a system in terms of a function called the Lagrangian which is the difference between the kinetic and potential energies of the system. This approach provides a powerful and elegant way to derive the equations of motion for a wide range of physical systems, from simple pendulums to complex multi-body systems.The foundation of Lagrangian mechanics is the principle of stationary action which states that the motion of a system will follow the path that minimizes the action integral over the time interval of interest. This principle can be used to derive the Euler-Lagrange equations which are a set of second-order differential equations that describe the motion of the system. The Lagrangian function is defined as the difference between the kinetic energy and the potential energy of the system, and the Euler-Lagrange equations relate the Lagrangian function to the forces acting on the system.One of the key advantages of Lagrangian mechanics is its ability tohandle systems with constraints. Constraints are restrictions on the motion of the system, such as the motion of a pendulum being restricted to a circular path. In Lagrangian mechanics, these constraints are incorporated into the Lagrangian function, and the Euler-Lagrange equations automatically take them into account. This makes Lagrangian mechanics particularly useful for analyzing complex systems with multiple degrees of freedom and complicated constraints.Another advantage of Lagrangian mechanics is its ability to handle non-conservative forces, such as friction or damping. These forces can be incorporated into the Lagrangian function through the use of generalized coordinates and the principle of virtual work. This allows for the analysis of a wide range of physical systems, including those with dissipative forces.Lagrangian mechanics also provides a powerful tool for analyzing the symmetries of a system. Symmetries in the Lagrangian function can lead to conserved quantities, such as momentum or angular momentum, which can simplify the analysis of the system's motion. This is particularly useful in fields such as particle physics, where the underlying symmetries of the system play a crucial role in determining the behavior of the particles.The formulation of Lagrangian mechanics was developed by theFrench mathematician Joseph-Louis Lagrange in the late 18th century. Lagrange's work built upon the earlier work of Euler and Hamilton, and it provided a more general and unified framework for describing the motion of mechanical systems. Lagrangian mechanics has since become a fundamental tool in the study of classical mechanics and has been extended to other areas of physics, such as field theory and quantum mechanics.In Lagrangian mechanics, the motion of a system is described by a set of generalized coordinates which can be any set of independent variables that uniquely specify the configuration of the system. The Lagrangian function is then defined in terms of these generalized coordinates and their time derivatives. The Euler-Lagrange equations are then used to derive the equations of motion for the system, which can be solved to determine the trajectory of the system over time.One of the key applications of Lagrangian mechanics is in the analysis of multi-body systems, such as the motion of planets in the solar system or the motion of robots with multiple joints. In these systems, the Lagrangian function can be used to derive the equations of motion for the entire system, taking into account the interactions between the various components. This makes Lagrangian mechanics a powerful tool for the design and analysis of complex mechanical systems.Another important application of Lagrangian mechanics is in the field of control theory, where it is used to design control systems that can manipulate the motion of a system in a desired way. By using the Lagrangian function to describe the system's dynamics, control engineers can develop control algorithms that can efficiently and effectively control the motion of the system.Overall, Lagrangian mechanics is a powerful and versatile approach to the study of classical mechanics that has had a profound impact on the field of physics and engineering. Its ability to handle complex systems with constraints and non-conservative forces, as well as its connection to symmetries and conserved quantities, make it a essential tool in the study of a wide range of physical phenomena.。
流体机械专业词汇
◆离心式压缩机Centrifugal compressor 离心式压缩机balance piston 平衡鼓casing 机壳coupling 联轴器diaphragm 隔板diffuser 扩压器discharge nozzle 排气接管discharge volute 排气蜗壳electrical system 电气系统foundations 基础guide vane 导叶impeller 叶轮intercooling 中间冷却器inlet nozzle 进气（接）管inlet volute 进气蜗壳multistage 多级off design operation 非设计工况操作oil system 密封油系统performance 性能slope 倾斜splitter vane 分流叶片thrust bearing 止推轴承Choking 阻塞（工况）Clearance volume 余隙容积CNG codes and standards CNG规范和标准◆流体力学词汇流体动力学 fluid dynamics连续介质力学 mechanics of continuous media介质 medium流体质点 fluid particle无粘性流体nonviscous fluid, inviscid fluid连续介质假设 continuous medium hypothesis流体运动学 fluid kinematics水静力学 hydrostatics液体静力学 hydrostatics支配方程 governing equation伯努利方程 Bernoulli equation伯努利定理 Bernonlli theorem毕奥-萨伐尔定律 Biot-Savart law欧拉方程 Euler equation亥姆霍兹定理 Helmholtz theorem开尔文定理 Kelvin theorem 涡片 vortex sheet库塔-茹可夫斯基条件Kutta-Zhoukowski condition布拉休斯解 Blasius solution达朗贝尔佯廖 d'Alembert paradox雷诺数 Reynolds number施特鲁哈尔数 Strouhal number随体导数 material derivative不可压缩流体 incompressible fluid质量守恒conservation of mass动量守恒 conservation of momentum能量守恒conservation of energy动量方程 momentum equation能量方程 energy equation控制体积 control volume液体静压 hydrostatic pressure涡量拟能 enstrophy压差 differential pressure流[动] flow流线 stream line流面 stream surface流管 stream tube迹线path, path line流场 flow field流态 flow regime流动参量 flow parameter流量flow rate, flow discharge涡旋 vortex涡量 vorticity涡丝 vortex filament涡线 vortex line涡面 vortex surface涡层 vortex layer涡环 vortex ring涡对 vortex pair涡管 vortex tube涡街 vortex street卡门涡街Karman vortex street马蹄涡 horseshoe vortex对流涡胞 convective cell卷筒涡胞 roll cell涡 eddy涡粘性 eddy viscosity环流 circulation环量 circulation速度环量 velocity circulation偶极子 doublet, dipole驻点 stagnation point总压[力] total pressure总压头 total head静压头 static head总焓 total enthalpy能量输运 energy transport速度剖面 velocity profile库埃特流 Couette flow单相流single phase flow单组份流 single-component flow均匀流 uniform flow非均匀流 nonuniform flow二维流 two-dimensional flow三维流 three-dimensional flow准定常流 quasi-steady flow非定常流 unsteady flow, non-steady flow暂态流 transient flow周期流 periodic flow振荡流 oscillatory flow分层流 stratified flow无旋流 irrotational flow有旋流 rotational flow轴对称流 axisymmetric flow不可压缩性 incompressibility不可压缩流[动] incompressible flow浮体 floating body定倾中心 metacenter阻力 drag, resistance减阻 drag reduction表面力 surface force表面张力 surface tension毛细[管]作用 capillarity来流 incoming flow自由流 free stream自由流线free stream line外流 external flow进口 entrance, inlet出口 exit, outlet扰动 disturbance, perturbation分布 distribution传播 propagation色散 dispersion弥散 dispersion附加质量 added mass ,associated mass 收缩 contraction镜象法 image method无量纲参数 dimensionless parameter几何相似 geometric similarity运动相似 kinematic similarity动力相似[性] dynamic similarity平面流 plane flow势 potential势流 potential flow速度势 velocity potential复势 complex potential复速度 complex velocity流函数 stream function源 source汇 sink速度[水]头 velocity head拐角流 corner flow空泡流 cavity flow超空泡 supercavity超空泡流 supercavity flow空气动力学 aerodynamics低速空气动力学 low-speed aerodynamics高速空气动力学 high-speed aerodynamics气动热力学 aerothermodynamics亚声速流[动] subsonic flow跨声速流[动] transonic flow超声速流[动] supersonic flow锥形流 conical flow楔流 wedge flow叶栅流 cascade flow非平衡流[动] non-equilibrium flow细长体 slender body细长度 slenderness钝头体 bluff body钝体 blunt body翼型 airfoil翼弦 chord薄翼理论 thin-airfoil theory构型 configuration后缘 trailing edge迎角angle of attack失速 stall脱体激波detached shock wave波阻 wave drag诱导阻力 induced drag诱导速度 induced velocity临界雷诺数critical Reynolds number 前缘涡leading edge vortex附着涡 bound vortex约束涡 confined vortex气动中心 aerodynamic center气动力 aerodynamic force气动噪声 aerodynamic noise气动加热 aerodynamic heating离解 dissociation地面效应 ground effect气体动力学 gas dynamics稀疏波 rarefaction wave热状态方程thermal equation of state 喷管 Nozzle普朗特-迈耶流 Prandtl-Meyer flow瑞利流 Rayleigh flow可压缩流[动] compressible flow可压缩流体 compressible fluid绝热流 adiabatic flow非绝热流 diabatic flow未扰动流 undisturbed flow等熵流 isentropic flow匀熵流 homoentropic flow兰金-于戈尼奥条件Rankine-Hugoniot condition状态方程equation of state量热状态方程 caloric equation of state完全气体 perfect gas拉瓦尔喷管 Laval nozzle马赫角 Mach angle马赫锥 Mach cone马赫线 Mach line马赫数 Mach number马赫波 Mach wave当地马赫数local Mach number冲击波 shock wave激波 shock wave正激波normal shock wave斜激波oblique shock wave头波 bow wave附体激波attached shock wave激波阵面 shock front激波层 shock layer压缩波 compression wave 反射 reflection折射 refraction散射 scattering衍射 diffraction绕射 diffraction出口压力 exit pressure超压[强] over pressure反压 back pressure爆炸 explosion爆轰 detonation缓燃 deflagration水动力学 hydrodynamics液体动力学 hydrodynamics泰勒不稳定性 Taylor instability盖斯特纳波 Gerstner wave斯托克斯波 Stokes wave瑞利数 Rayleigh number自由面 free surface波速wave speed, wave velocity 波高 wave height波列 wave train波群 wave group波能 wave energy表面波 surface wave表面张力波 capillary wave规则波 regular wave不规则波 irregular wave浅水波shallow water wave深水波deep water wave重力波 gravity wave椭圆余弦波 cnoidal wave潮波 tidal wave涌波 surge wave破碎波 breaking wave船波 ship wave非线性波 nonlinear wave孤立子 soliton水动[力]噪声 hydrodynamic noise 水击 water hammer空化 cavitation空化数 cavitation number空蚀 cavitation damage超空化流 supercavitating flow水翼 hydrofoil水力学 hydraulics洪水波 flood wave涟漪 ripple消能 energy dissipation海洋水动力学 marine hydrodynamics谢齐公式 Chezy formula欧拉数 Euler number弗劳德数 Froude number水力半径 hydraulic radius水力坡度 hvdraulic slope高度水头 elevating head水头损失 head loss水位 water level水跃 hydraulic jump含水层 aquifer排水 drainage排放量 discharge壅水曲线back water curve压[强水]头 pressure head过水断面 flow cross-section明槽流open channel flow孔流 orifice flow无压流free surface flow有压流 pressure flow缓流 subcritical flow急流 supercritical flow渐变流gradually varied flow急变流rapidly varied flow临界流 critical flow异重流density current, gravity flow堰流 weir flow掺气流 aerated flow含沙流 sediment-laden stream降水曲线 dropdown curve沉积物 sediment, deposit沉[降堆]积 sedimentation, deposition 沉降速度 settling velocity流动稳定性 flow stability不稳定性 instability奥尔-索末菲方程 Orr-Sommerfeld equation涡量方程 vorticity equation泊肃叶流 Poiseuille flow奥辛流 Oseen flow剪切流 shear flow粘性流[动] viscous flow层流 laminar flow分离流 separated flow二次流 secondary flow 近场流near field flow远场流 far field flow滞止流 stagnation flow尾流 wake [flow]回流 back flow反流 reverse flow射流 jet自由射流 free jet管流pipe flow, tube flow内流 internal flow拟序结构 coherent structure猝发过程 bursting process表观粘度 apparent viscosity运动粘性 kinematic viscosity动力粘性 dynamic viscosity泊 poise厘泊 centipoise厘沱 centistoke剪切层 shear layer次层 sublayer流动分离 flow separation层流分离 laminar separation湍流分离 turbulent separation分离点 separation point附着点 attachment point再附 reattachment再层流化 relaminarization起动涡 starting vortex驻涡 standing vortex涡旋破碎 vortex breakdown涡旋脱落 vortex shedding压[力]降 pressure drop压差阻力 pressure drag压力能 pressure energy型阻 profile drag滑移速度 slip velocity无滑移条件 non-slip condition壁剪应力skin friction, frictional drag 壁剪切速度 friction velocity磨擦损失 friction loss磨擦因子 friction factor耗散 dissipation滞后 lag相似性解 similar solution局域相似 local similarity气体润滑 gas lubrication液体动力润滑 hydrodynamiclubrication浆体 slurry泰勒数 Taylor number纳维-斯托克斯方程 Navier-Stokes equation牛顿流体 Newtonian fluid边界层理论 boundary later theory边界层方程 boundary layer equation 边界层 boundary layer附面层 boundary layer层流边界层laminar boundary layer湍流边界层turbulent boundary layer 温度边界层thermal boundary layer边界层转捩boundary layer transition 边界层分离 boundary layer separation边界层厚度 boundary layer thickness位移厚度 displacement thickness动量厚度 momentum thickness能量厚度 energy thickness焓厚度 enthalpy thickness注入 injection吸出 suction泰勒涡 Taylor vortex速度亏损律velocity defect law形状因子 shape factor测速法 anemometry粘度测定法 visco[si] metry流动显示 flow visualization油烟显示oil smoke visualization孔板流量计 orifice meter频率响应 frequency response油膜显示oil film visualization阴影法 shadow method纹影法 schlieren method烟丝法smoke wire method丝线法 tuft method氢泡法nydrogen bubble method相似理论 similarity theory相似律 similarity law部分相似 partial similarity定理 pi theorem, Buckingham theorem静[态]校准 static calibration动态校准 dynamic calibration风洞 wind tunnel 激波管 shock tube激波管风洞shock tube wind tunnel水洞 water tunnel拖曳水池 towing tank旋臂水池rotating arm basin扩散段 diffuser测压孔 pressure tap皮托管 pitot tube普雷斯顿管 preston tube斯坦顿管 Stanton tube文丘里管 Venturi tubeU形管 U-tube压强计 manometer微压计 micromanometer多管压强计 multiple manometer静压管 static [pressure]tube流速计 anemometer风速管Pitot- static tube激光多普勒测速计 laser Doppler anemometer, laser Doppler velocimeter热线流速计 hot-wire anemometer热膜流速计hot- film anemometer流量计 flow meter粘度计 visco[si] meter涡量计 vorticity meter传感器 transducer, sensor压强传感器 pressure transducer热敏电阻 thermistor示踪物 tracer时间线 time line脉线 streak line尺度效应 scale effect壁效应 wall effect堵塞 blockage堵寒效应 blockage effect动态响应 dynamic response响应频率 response frequency底压 base pressure菲克定律 Fick law巴塞特力 Basset force埃克特数 Eckert number格拉斯霍夫数 Grashof number努塞特数 Nusselt number普朗特数 prandtl number雷诺比拟 Reynolds analogy施密特数 schmidt number斯坦顿数 Stanton number对流 convection自由对流 natural convection, free convec-tion强迫对流 forced convection热对流 heat convection质量传递 mass transfer传质系数mass transfer coefficient热量传递 heat transfer传热系数heat transfer coefficient对流传热convective heat transfer辐射传热radiative heat transfer动量交换 momentum transfer能量传递 energy transfer传导 conduction热传导conductive heat transfer热交换 heat exchange临界热通量critical heat flux浓度 concentration扩散 diffusion扩散性 diffusivity扩散率 diffusivity扩散速度 diffusion velocity分子扩散 molecular diffusion沸腾 boiling蒸发 evaporation气化 gasification凝结 condensation成核 nucleation计算流体力学 computational fluid mechanics多重尺度问题multiple scale problem 伯格斯方程 Burgers equation对流扩散方程 convection diffusion equationKDU方程 KDV equation修正微分方程 modified differential equation拉克斯等价定理 Lax equivalence theorem数值模拟 numerical simulation大涡模拟large eddy simulation数值粘性 numerical viscosity非线性不稳定性 nonlinear instability 希尔特稳定性分析 Hirt stability analysis相容条件 consistency condition CFL条件 Courant- Friedrichs- Lewy condition ,CFL condition狄里克雷边界条件 Dirichlet boundary condition熵条件 entropy condition远场边界条件 far field boundary condition流入边界条件 inflow boundary condition无反射边界条件nonreflecting boundary condition数值边界条件 numerical boundary condition流出边界条件 outflow boundary condition冯.诺伊曼条件 von Neumann condition近似因子分解法 approximate factorization method人工压缩 artificial compression人工粘性 artificial viscosity边界元法boundary element method 配置方法 collocation method能量法 energy method有限体积法finite volume method流体网格法fluid in cell method, FLIC method通量校正传输法 flux-corrected transport method通量矢量分解法 flux vector splitting method伽辽金法 Galerkin method积分方法 integral method标记网格法marker and cell method, MAC method特征线法 method of characteristics直线法method of lines矩量法 moment method多重网格法multi- grid method板块法 panel method质点网格法 particle in cell method, PIC method质点法 particle method预估校正法 predictor-corrector method投影法 projection method准谱法 pseudo-spectral method随机选取法random choice method激波捕捉法 shock-capturing method 激波拟合法 shock-fitting method谱方法 spectral method稀疏矩阵分解法 split coefficient matrix method不定常法 time-dependent method时间分步法time splitting method变分法 variational method涡方法 vortex method隐格式 implicit scheme显格式 explicit scheme交替方向隐格式 alternating direction implicit scheme, ADI scheme反扩散差分格式 anti-diffusion difference scheme紧差分格式 compact difference scheme守恒差分格式 conservation difference scheme克兰克-尼科尔森格式Crank-Nicolson scheme杜福特-弗兰克尔格式 Dufort-Frankel scheme指数格式 exponential scheme戈本诺夫格式 Godunov scheme高分辨率格式 high resolution scheme拉克斯-温德罗夫格式 Lax-Wendroff scheme蛙跳格式 leap-frog scheme单调差分格式 monotone difference scheme保单调差分格式 monotonicity preserving difference scheme穆曼-科尔格式 Murman-Cole scheme半隐格式 semi-implicit scheme斜迎风格式 skew-upstream scheme 全变差下降格式 total variation decreasing scheme TVD scheme迎风格式upstream scheme , upwind scheme计算区域 computational domain物理区域 physical domain影响域domain of influence依赖域domain of dependence 区域分解 domain decomposition维数分解 dimensional split物理解 physical solution弱解 weak solution黎曼解算子 Riemann solver守恒型 conservation form弱守恒型weak conservation form强守恒型strong conservation form散度型 divergence form贴体曲线坐标body- fitted curvilinear coordi-nates[自]适应网格[self-] adaptive mesh适应网格生成 adaptive grid generation自动网格生成 automatic grid generation数值网格生成 numerical grid generation交错网格 staggered mesh网格雷诺数cell Reynolds number数植扩散 numerical diffusion数值耗散 numerical dissipation数值色散 numerical dispersion数值通量 numerical flux放大因子 amplification factor放大矩阵 amplification matrix阻尼误差 damping error离散涡 discrete vortex熵通量 entropy flux熵函数 entropy function分步法fractional step method广义连续统力学 generalized continuum mechanics简单物质 simple material纯力学物质 purely mechanical material微分型物质 material of differential type积分型物质material of integral type混合物组份constituents of a mixture非协调理论 incompatibility theory微极理论 micropolar theory决定性原理principle of determinism等存在原理 principle of equipresence局部作用原理principle of objectivity客观性原理principle of objectivity电磁连续统理论 theory of electromagnetic continuum内时理论 endochronic theory非局部理论 nonlocal theory混合物理论 theory of mixtures里夫林-矣里克森张量Rivlin-Ericksen tensor声张量 acoustic tensor半向同性张量 hemitropic tensor各向同性张量 isotropic tensor应变张量 strain tensor伸缩张量 stretch tensor连续旋错 continuous dislination连续位错 continuous dislocation动量矩平衡 angular momentum balance余本构关系 complementary constitutive relations共旋导数 co-rotational derivative, Jaumann derivative非完整分量 anholonomic component 爬升效应 climbing effect协调条件 compatibility condition错综度 complexity当时构形 current configuration能量平衡 energy balance变形梯度 deformation gradient有限弹性 finite elasticity熵增 entropy production标架无差异性 frame indifference弹性势 elastic potential熵不等式 entropy inequality极分解 polar decomposition低弹性 hypoelasticity参考构形 reference configuration响应泛函 response functional动量平衡 momentum balance奇异面 singular surface贮能函数 stored-energy function内部约束 internal constraint物理分量 physical components本原元 primitive element普适变形 universal deformation速度梯度 velocity gradient测粘流动 viscometric flow当地导数 local derivative岩石力学 rock mechanics 原始岩体应力virgin rock stress构造应力 tectonic stress三轴压缩试验 three-axial compression test三轴拉伸试验three-axial tensile test三轴试验 triaxial test岩层静态应力 lithostatic stress吕荣 lugeon地压强 geostatic pressure水力劈裂 hydraulic fracture咬合[作用] interlocking内禀抗剪强度 intrinsic shear strength循环抗剪强度cyclic shear strength残余抗剪强度 residual shear strength土力学 soil mechanics孔隙比 void ratio内磨擦角angle of internal friction休止角angle of repose孔隙率 porosity围压 ambient pressure渗透系数coefficient of permeability [抗]剪切角angle of shear resistance渗流力 seepage force表观粘聚力 apparent cohesion粘聚力 cohesion稠度 consistency固结 consolidation主固结 primary consolidation次固结 secondary consolidation固结仪 consolidometer浮升力 uplift扩容 dilatancy有效应力 effective stress絮凝[作用] flocculation主动土压力active earth pressure被动土压力passive earth pressure土动力学 soil dynamics应力解除 stress relief次时间效应secondary time effect贯入阻力 penetration resistance沙土液化liquefaction of sand泥流 mud flow多相流 multiphase flow马格努斯效应 Magnus effect韦伯数 Weber number环状流 annular flow泡状流 bubble flow层状流 stratified flow平衡流 equilibrium flow二组份流 two-component flow冻结流 frozen flow均质流 homogeneous flow二相流 two-phase flow气-液流 gas-liquid flow气-固流 gas-solid flow液-气流 liquid-gas flow液-固流 liquid-solid flow液体-蒸气流 liquid-vapor flow浓相 dense phase稀相 dilute phase连续相 continuous phase离散相 dispersed phase悬浮 suspension气力输运 pneumatic transport气泡形成 bubble formation体密度 bulk density壅塞 choking微滴 droplet挟带 entrainment流型 flow pattern流[态]化 fluidization界面 interface跃动速度 saltation velocity非牛顿流体力学 non-Newtonian fluid mechanics非牛顿流体 non-Newtonian fluid幂律流体power law fluid拟塑性流体 pseudoplastic fluid触稠流体 rheopectic fluid触变流体 thixotropic fluid粘弹性流体 viscoelastic fluid流变测量学 rheometry震凝性 rheopexy体[积]粘性 bulk viscosity魏森贝格效应 Weissenberg effect流变仪 rheometer稀薄气体动力学 rarefied gas dynamics物理化学流体力学 physico-chemical hydrodynamics空气热化学 aerothermochemistry绝对压强 absolute pressure 绝对反应速率absolute reaction rate 绝对温度 absolute temperature吸收系数 absorption coefficient活化分子 activated molecule活化能 activation energy绝热压缩 adiabatic compression绝热膨胀 adiabatic expansion绝热火焰温度 adiabatic flame temperature电弧风洞 arc tunnel原子热 atomic heat雾化 atomization自燃 auto-ignition自动氧化 auto-oxidation可用能量 available energy缓冲作用 buffer action松密度 bulk density燃烧率 burning rate燃烧速度 burning velocity接触面 contact surface烧蚀 ablation。
力学,流体力学,固体力学词汇英语翻译
力学,流体力学,固体力学词汇英语翻译力学，流体力学，固体力学英语词汇翻译牛顿力学Newtonian mechanics经典力学classical mechanics静力学statics运动学kinematics动力学dynamics动理学kinetics宏观力学macroscopic mechanics,macromechanics 细观力学mesomechanics微观力学microscopic mechanics,micromechanics 一般力学general mechanics固体力学solid mechanics流体力学fluid mechanics理论力学theoretical mechanics应用力学applied mechanics工程力学engineering mechanics实验力学experimental mechanics计算力学computational mechanics理性力学rational mechanics物理力学physical mechanics地球动力学geodynamics力force作用点point of action作用线line of action力系system of forces力系的简化reduction of force system等效力系equivalent force system刚体rigid body力的可传性transmissibility of force平行四边形定则parallelogram rule力三角形force triangle力多边形force polygon零力系null-force system平衡equilibrium力的平衡equilibrium of forces平衡条件equilibrium condition平衡位置equilibrium position平衡态equilibrium state分析力学analytical mechanics拉格朗日乘子Lagrange multiplier拉格朗日[量] Lagrangian拉格朗日括号Lagrange bracket循环坐标cyclic coordinate循环积分cyclic integral哈密顿[量] Hamiltonian哈密顿函数Hamiltonian function正则方程canonical equation正则摄动canonical perturbation正则变换canonical transformation正则变量canonical variable哈密顿原理Hamilton principle作用量积分action integral哈密顿--雅可比方程Hamilton-Jacobi equation 作用--角度变量action-angle variables阿佩尔方程Appell equation劳斯方程Routh equation拉格朗日函数Lagrangian function诺特定理Noether theorem泊松括号poisson bracket边界积分法boundary integral method 并矢dyad运动稳定性stability of motion轨道稳定性orbital stability李雅普诺夫函数Lyapunov function渐近稳定性asymptotic stability结构稳定性structural stability久期不稳定性secular instability弗洛凯定理Floquet theorem倾覆力矩capsizing moment自由振动free vibration固有振动natural vibration暂态transient state环境振动ambient vibration反共振anti-resonance衰减attenuation库仑阻尼Coulomb damping同相分量in-phase component非同相分量out-of-phase component超调量overshoot参量[激励]振动parametric vibration模糊振动fuzzy vibration临界转速critical speed of rotation阻尼器damper半峰宽度half-peak width集总参量系统lumped parameter system 相平面法phase plane method相轨迹phase trajectory等倾线法isocline method跳跃现象jump phenomenon负阻尼negative damping达芬方程Duffing equation希尔方程Hill equationKBM方法KBM method, Krylov-Bogoliu-bov-Mitropol'skii method 马蒂厄方程Mathieu equation平均法averaging method组合音调combination tone解谐detuning耗散函数dissipative function硬激励hard excitation硬弹簧hard spring, hardening spring谐波平衡法harmonic balance method久期项secular term自激振动self-excited vibration分界线separatrix亚谐波subharmonic软弹簧soft spring ,softening spring软激励soft excitation邓克利公式Dunkerley formula瑞利定理Rayleigh theorem分布参量系统distributed parameter system优势频率dominant frequency模态分析modal analysis固有模态natural mode of vibration同步synchronization超谐波ultraharmonic范德波尔方程van der pol equation频谱frequency spectrum基频fundamental frequencyWKB方法WKB method, Wentzel-Kramers-Brillouin method 缓冲器buffer风激振动aeolian vibration嗡鸣buzz倒谱cepstrum颤动chatter蛇行hunting阻抗匹配impedance matching机械导纳mechanical admittance机械效率mechanical efficiency机械阻抗mechanical impedance随机振动stochastic vibration, random vibration隔振vibration isolation减振vibration reduction应力过冲stress overshoot喘振surge摆振shimmy起伏运动phugoid motion起伏振荡phugoid oscillation驰振galloping陀螺动力学gyrodynamics陀螺摆gyropendulum陀螺平台gyroplatform陀螺力矩gyroscoopic torque陀螺稳定器gyrostabilizer陀螺体gyrostat惯性导航inertial guidance姿态角attitude angle方位角azimuthal angle舒勒周期Schuler period机器人动力学robot dynamics多体系统multibody system多刚体系统multi-rigid-body system机动性maneuverability凯恩方法Kane method转子[系统]动力学rotor dynamics转子[一支承一基础]系统rotor-support-foundation system 静平衡static balancing动平衡dynamic balancing静不平衡static unbalance动不平衡dynamic unbalance现场平衡field balancing不平衡unbalance不平衡量unbalance互耦力cross force挠性转子flexible rotor分频进动fractional frequency precession半频进动half frequency precession油膜振荡oil whip转子临界转速rotor critical speed自动定心self-alignment亚临界转速subcritical speed涡动whirl连续过程continuous process碰撞截面collision cross section通用气体常数conventional gas constant燃烧不稳定性combustion instability稀释度dilution完全离解complete dissociation火焰传播flame propagation组份constituent碰撞反应速率collision reaction rate 燃烧理论combustion theory浓度梯度concentration gradient阴极腐蚀cathodic corrosion火焰速度flame speed火焰驻定flame stabilization火焰结构flame structure着火ignition湍流火焰turbulent flame层流火焰laminar flame燃烧带burning zone渗流flow in porous media, seepage 达西定律Darcy law赫尔-肖流Hele-Shaw flow毛[细]管流capillary flow过滤filtration爪进fingering不互溶驱替immiscible displacement 不互溶流体immiscible fluid互溶驱替miscible displacement互溶流体miscible fluid迁移率mobility流度比mobility ratio渗透率permeability孔隙度porosity多孔介质porous medium比面specific surface迂曲度tortuosity空隙void空隙分数void fraction注水water flooding可湿性wettability地球物理流体动力学geophysical fluid dynamics 物理海洋学physical oceanography大气环流atmospheric circulation海洋环流ocean circulation海洋流ocean current旋转流rotating flow平流advection埃克曼流Ekman flow埃克曼边界层Ekman boundary layer大气边界层atmospheric boundary layer大气-海洋相互作用atmosphere-ocean interaction埃克曼数Ekman number罗斯贝数Rossby unmber罗斯贝波Rossby wave斜压性baroclinicity正压性barotropy内磨擦internal friction海洋波ocean wave盐度salinity环境流体力学environmental fluid mechanics斯托克斯流Stokes flow羽流plume理查森数Richardson number污染源pollutant source污染物扩散pollutant diffusion噪声noise噪声级noise level噪声污染noise pollution排放物effulent工业流体力学industrical fluid mechanics流控技术fluidics轴向流axial flow并向流co-current flow对向流counter current flow横向流cross flow螺旋流spiral flow旋拧流swirling flow滞后流after flow混合层mixing layer抖振buffeting风压wind pressure附壁效应wall attachment effect, Coanda effect简约频率reduced frequency爆炸力学mechanics of explosion终点弹道学terminal ballistics动态超高压技术dynamic ultrahigh pressure technique 流体弹塑性体hydro-elastoplastic medium热塑不稳定性thermoplastic instability空中爆炸explosion in air地下爆炸underground explosion水下爆炸underwater explosion电爆炸discharge-induced explosion激光爆炸laser-induced explosion核爆炸nuclear explosion点爆炸point-source explosion殉爆sympathatic detonation强爆炸intense explosion粒子束爆炸explosion by beam radiation 聚爆implosion起爆initiation of explosion爆破blasting霍普金森杆Hopkinson bar电炮electric gun电磁炮electromagnetic gun爆炸洞explosion chamber轻气炮light gas gun马赫反射Mach reflection基浪base surge成坑cratering能量沉积energy deposition爆心explosion center爆炸当量explosion equivalent火球fire ball爆高height of burst蘑菇云mushroom侵彻penetration规则反射regular reflection崩落spallation应变率史strain rate history流变学rheology聚合物减阻drag reduction by polymers挤出[物]胀大extrusion swell, die swell无管虹吸tubeless siphon剪胀效应dilatancy effect孔压[误差]效应hole-pressure[error]effect 剪切致稠shear thickening剪切致稀shear thinning触变性thixotropy反触变性anti-thixotropy超塑性superplasticity粘弹塑性材料viscoelasto-plastic material 滞弹性材料anelastic material本构关系constitutive relation麦克斯韦模型Maxwell model沃伊特-开尔文模型Voigt-Kelvin model宾厄姆模型Bingham model奥伊洛特模型Oldroyd model幂律模型power law model应力松驰stress relaxation应变史strain history应力史stress history记忆函数memory function衰退记忆fading memory应力增长stress growing粘度函数voscosity function相对粘度relative viscosity复态粘度complex viscosity拉伸粘度elongational viscosity拉伸流动elongational flow第一法向应力差first normal-stress difference第二法向应力差second normal-stress difference 德博拉数Deborah number魏森贝格数Weissenberg number动态模量dynamic modulus振荡剪切流oscillatory shear flow宇宙气体动力学cosmic gas dynamics等离[子]体动力学plasma dynamics电离气体ionized gas行星边界层planetary boundary layer阿尔文波Alfven wave泊肃叶-哈特曼流] Poiseuille-Hartman flow哈特曼数Hartman number生物流变学biorheology生物流体biofluid生物屈服点bioyield point生物屈服应力bioyield stress电气体力学electro-gas dynamics铁流体力学ferro-hydrodynamics血液流变学hemorheology, blood rheology血液动力学hemodynamics磁流体力学magneto fluid mechanics磁流体动力学magnetohydrodynamics, MHD磁流体动力波magnetohydrodynamic wave磁流体流magnetohydrodynamic flow磁流体动力稳定性magnetohydrodynamic stability 生物力学biomechanics生物流体力学biological fluid mechanics生物固体力学biological solid mechanics宾厄姆塑性流Bingham plastic flow开尔文体Kelvin body沃伊特体Voigt body可贴变形applicable deformation可贴曲面applicable surface边界润滑boundary lubrication液膜润滑fluid film lubrication向心收缩功concentric work离心收缩功eccentric work关节反作用力joint reaction force微循环力学microcyclic mechanics微纤维microfibril渗透性permeability生理横截面积physiological cross-sectional area 农业生物力学agrobiomechanics纤维度fibrousness硬皮度rustiness胶粘度gumminess粘稠度stickiness嫩度tenderness渗透流osmotic flow易位流translocation flow蒸腾流transpirational flow过滤阻力filtration resistance压扁wafering风雪流snow-driving wind停滞堆积accretion遇阻堆积encroachment沙漠地面desert floor流沙固定fixation of shifting sand流动阈值fluid threshold连续介质力学mechanics of continuous media 介质medium 流体质点fluid particle无粘性流体nonviscous fluid, inviscid fluid连续介质假设continuous medium hypothesis流体运动学fluid kinematics水静力学hydrostatics液体静力学hydrostatics支配方程governing equation伯努利方程Bernoulli equation伯努利定理Bernonlli theorem毕奥-萨伐尔定律Biot-Savart law欧拉方程Euler equation亥姆霍兹定理Helmholtz theorem开尔文定理Kelvin theorem涡片vortex sheet库塔-茹可夫斯基条件Kutta-Zhoukowski condition 布拉休斯解Blasius solution达朗贝尔佯廖d'Alembert paradox雷诺数Reynolds number施特鲁哈尔数Strouhal number随体导数material derivative不可压缩流体incompressible fluid质量守恒conservation of mass动量守恒conservation of momentum能量守恒conservation of energy动量方程momentum equation能量方程energy equation控制体积control volume液体静压hydrostatic pressure涡量拟能enstrophy压差differential pressure流[动] flow流线stream line流面stream surface流管stream tube迹线path, path line流场flow field流态flow regime流动参量flow parameter流量flow rate, flow discharge 涡旋vortex涡量vorticity涡丝vortex filament涡线vortex line涡面vortex surface涡层vortex layer涡环vortex ring涡对vortex pair涡管vortex tube涡街vortex street卡门涡街Karman vortex street 马蹄涡horseshoe vortex对流涡胞convective cell卷筒涡胞roll cell涡eddy涡粘性eddy viscosity环流circulation环量circulation速度环量velocity circulation 偶极子doublet, dipole驻点stagnation point总压[力] total pressure总压头total head静压头static head总焓total enthalpy能量输运energy transport速度剖面velocity profile库埃特流Couette flow单相流single phase flow单组份流single-component flow均匀流uniform flow非均匀流nonuniform flow二维流two-dimensional flow三维流three-dimensional flow准定常流quasi-steady flow非定常流unsteady flow, non-steady flow 暂态流transient flow 周期流periodic flow振荡流oscillatory flow分层流stratified flow无旋流irrotational flow有旋流rotational flow轴对称流axisymmetric flow不可压缩性incompressibility不可压缩流[动] incompressible flow浮体floating body定倾中心metacenter阻力drag, resistance减阻drag reduction表面力surface force表面张力surface tension毛细[管]作用capillarity来流incoming flow自由流free stream自由流线free stream line外流external flow进口entrance, inlet出口exit, outlet扰动disturbance, perturbation分布distribution传播propagation色散dispersion弥散dispersion附加质量added mass ,associated mass 收缩contraction镜象法image method无量纲参数dimensionless parameter几何相似geometric similarity运动相似kinematic similarity动力相似[性] dynamic similarity平面流plane flow势potential势流potential flow速度势velocity potential复势complex potential复速度complex velocity流函数stream function源source汇sink速度[水]头velocity head拐角流corner flow空泡流cavity flow超空泡supercavity超空泡流supercavity flow空气动力学aerodynamics低速空气动力学low-speed aerodynamics 高速空气动力学high-speed aerodynamics 气动热力学aerothermodynamics 亚声速流[动] subsonic flow跨声速流[动] transonic flow超声速流[动] supersonic flow锥形流conical flow楔流wedge flow叶栅流cascade flow非平衡流[动] non-equilibrium flow 细长体slender body细长度slenderness钝头体bluff body钝体blunt body翼型airfoil翼弦chord薄翼理论thin-airfoil theory构型configuration后缘trailing edge迎角angle of attack失速stall脱体激波detached shock wave波阻wave drag诱导阻力induced drag诱导速度induced velocity临界雷诺数critical Reynolds number 前缘涡leading edge vortex附着涡bound vortex约束涡confined vortex气动中心aerodynamic center气动力aerodynamic force气动噪声aerodynamic noise气动加热aerodynamic heating离解dissociation地面效应ground effect气体动力学gas dynamics稀疏波rarefaction wave热状态方程thermal equation of state喷管Nozzle普朗特-迈耶流Prandtl-Meyer flow瑞利流Rayleigh flow可压缩流[动] compressible flow可压缩流体compressible fluid绝热流adiabatic flow非绝热流diabatic flow未扰动流undisturbed flow等熵流isentropic flow匀熵流homoentropic flow兰金-于戈尼奥条件Rankine-Hugoniot condition 状态方程equation of state量热状态方程caloric equation of state完全气体perfect gas拉瓦尔喷管Laval nozzle马赫角Mach angle马赫锥Mach cone马赫线Mach line马赫数Mach number马赫波Mach wave当地马赫数local Mach number冲击波shock wave激波shock wave正激波normal shock wave斜激波oblique shock wave头波bow wave附体激波attached shock wave激波阵面shock front激波层shock layer压缩波compression wave反射reflection折射refraction散射scattering衍射diffraction绕射diffraction出口压力exit pressure超压[强] over pressure反压back pressure爆炸explosion爆轰detonation缓燃deflagration水动力学hydrodynamics液体动力学hydrodynamics泰勒不稳定性Taylor instability盖斯特纳波Gerstner wave斯托克斯波Stokes wave瑞利数Rayleigh number自由面free surface波速wave speed, wave velocity 波高wave height 波列wave train波群wave group波能wave energy表面波surface wave表面张力波capillary wave规则波regular wave不规则波irregular wave浅水波shallow water wave深水波deep water wave重力波gravity wave椭圆余弦波cnoidal wave潮波tidal wave涌波surge wave破碎波breaking wave船波ship wave非线性波nonlinear wave孤立子soliton水动[力]噪声hydrodynamic noise 水击water hammer 空化cavitation空化数cavitation number空蚀cavitation damage超空化流supercavitating flow水翼hydrofoil水力学hydraulics洪水波flood wave涟漪ripple消能energy dissipation海洋水动力学marine hydrodynamics谢齐公式Chezy formula欧拉数Euler number弗劳德数Froude number水力半径hydraulic radius水力坡度hvdraulic slope高度水头elevating head水头损失head loss水位water level水跃hydraulic jump含水层aquifer排水drainage排放量discharge壅水曲线back water curve压[强水]头pressure head过水断面flow cross-section明槽流open channel flow孔流orifice flow无压流free surface flow有压流pressure flow缓流subcritical flow急流supercritical flow渐变流gradually varied flow急变流rapidly varied flow临界流critical flow异重流density current, gravity flow堰流weir flow掺气流aerated flow含沙流sediment-laden stream降水曲线dropdown curve沉积物sediment, deposit沉[降堆]积sedimentation, deposition沉降速度settling velocity流动稳定性flow stability不稳定性instability奥尔-索末菲方程Orr-Sommerfeld equation 涡量方程vorticity equation泊肃叶流Poiseuille flow奥辛流Oseen flow剪切流shear flow粘性流[动] viscous flow层流laminar flow分离流separated flow二次流secondary flow近场流near field flow远场流far field flow滞止流stagnation flow尾流wake [flow]回流back flow反流reverse flow射流jet自由射流free jet管流pipe flow, tube flow内流internal flow拟序结构coherent structure 猝发过程bursting process表观粘度apparent viscosity 运动粘性kinematic viscosity 动力粘性dynamic viscosity泊poise厘泊centipoise厘沱centistoke剪切层shear layer次层sublayer流动分离flow separation层流分离laminar separation 湍流分离turbulent separation 分离点separation point附着点attachment point再附reattachment再层流化relaminarization起动涡starting vortex驻涡standing vortex涡旋破碎vortex breakdown涡旋脱落vortex shedding压[力]降pressure drop压差阻力pressure drag压力能pressure energy型阻profile drag滑移速度slip velocity无滑移条件non-slip condition壁剪应力skin friction, frictional drag壁剪切速度friction velocity磨擦损失friction loss磨擦因子friction factor耗散dissipation滞后lag相似性解similar solution局域相似local similarity气体润滑gas lubrication液体动力润滑hydrodynamic lubrication浆体slurry泰勒数Taylor number纳维-斯托克斯方程Navier-Stokes equation 牛顿流体Newtonian fluid边界层理论boundary later theory边界层方程boundary layer equation边界层boundary layer附面层boundary layer层流边界层laminar boundary layer湍流边界层turbulent boundary layer温度边界层thermal boundary layer边界层转捩boundary layer transition边界层分离boundary layer separation边界层厚度boundary layer thickness 位移厚度displacement thickness能量厚度energy thickness焓厚度enthalpy thickness注入injection吸出suction泰勒涡Taylor vortex速度亏损律velocity defect law形状因子shape factor测速法anemometry粘度测定法visco[si] metry流动显示flow visualization油烟显示oil smoke visualization孔板流量计orifice meter频率响应frequency response油膜显示oil film visualization阴影法shadow method纹影法schlieren method烟丝法smoke wire method丝线法tuft method氢泡法nydrogen bubble method相似理论similarity theory相似律similarity law部分相似partial similarity定理pi theorem, Buckingham theorem 静[态]校准static calibration动态校准dynamic calibration风洞wind tunnel激波管shock tube激波管风洞shock tube wind tunnel水洞water tunnel拖曳水池towing tank旋臂水池rotating arm basin扩散段diffuser测压孔pressure tap皮托管pitot tube普雷斯顿管preston tube斯坦顿管Stanton tube文丘里管Venturi tubeU形管U-tube压强计manometer微压计micromanometer多管压强计multiple manometer静压管static [pressure]tube流速计anemometer风速管Pitot- static tube激光多普勒测速计laser Doppler anemometer, laser Doppler velocimeter 热线流速计hot-wire anemometer热膜流速计hot- film anemometer流量计flow meter粘度计visco[si] meter涡量计vorticity meter传感器transducer, sensor压强传感器pressure transducer热敏电阻thermistor示踪物tracer时间线time line脉线streak line尺度效应scale effect壁效应wall effect堵塞blockage堵寒效应blockage effect动态响应dynamic response响应频率response frequency底压base pressure菲克定律Fick law巴塞特力Basset force埃克特数Eckert number格拉斯霍夫数Grashof number努塞特数Nusselt number普朗特数prandtl number雷诺比拟Reynolds analogy施密特数schmidt number斯坦顿数Stanton number对流convection自由对流natural convection, free convec-tion 强迫对流forced convection热对流heat convection质量传递mass transfer传质系数mass transfer coefficient热量传递heat transfer传热系数heat transfer coefficient对流传热convective heat transfer辐射传热radiative heat transfer动量交换momentum transfer能量传递energy transfer传导conduction热传导conductive heat transfer热交换heat exchange临界热通量critical heat flux浓度concentration扩散diffusion扩散性diffusivity扩散率diffusivity扩散速度diffusion velocity分子扩散molecular diffusion沸腾boiling蒸发evaporation气化gasification凝结condensation成核nucleation计算流体力学computational fluid mechanics 多重尺度问题multiple scale problem伯格斯方程Burgers equation对流扩散方程convection diffusion equation KDU方程KDV equation修正微分方程modified differential equation。