ansys及一些常用命令:
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/PREP7 前处理的一些常用命令:
ET,1,SOLID45 定义单元类型
KEYOPT,1,2,1 单元选项(OPTION)
MP,EX,1,100 定义材料参数,1为材料号
tb,材料表(定义塑性、超弹性等)
*dim,rr,array,3,2 定义数组rr为3行2列
k,1,X,Y,Z 定义KEYPOINT1坐标
LSTR,1,2 由1、2点生成线
lesize 划分网格,尺寸定义
NUMMRG,KP, , , ,LOW 压缩节点号
asel ,选择面
r,定义实常数
wpro,,-90, 旋转工作平面
esln,s 选择与节点相关的单元
emodif,all,real,i 修改单元实常数
amesh 对面划分网格
type,2
mat,2
real,1
esys,0 (或aatt)激活单元类型2,材料号2,实常数1,单元坐标系
vsweep,all,,, 扫掠网格
csys,4 激活坐标系4
------------------------------------------------------------------------------------------------------------------------------- numstr,kp,100 !define the following keypoint number start with with the 100
l,1,2,4 !如果CSYS=0则生成直线,如果CSYS=1则生成弧线,这个命令与当前的坐标系统有
lsel , !取线
wprof,,12 !移坐标
alsv !拾取一选定实体上的所有面
nsla !同理,拾取一选定面上的所有节点
aatt,1,1,1 !等效于楼上的 MAT,1 TYPE,1 REAL, 1对面定义属性
mshke,0
!网格格划分进行限定:采用FREE进行划分;网格形状为四边形或六面体
mshape,1,2d
vmesh ,2 !划分实体网格,后面的参数是实体编号如:2
/solu !进入求解过程
antype,static !选择求解类型为静力分析
asel,s,loc,x,
nsla
d,all,uy,,,,,roty,rotz !对选定的面上的所有节点施加UY ROTY ROTZ 的对称约束.
allsel !恢复全部选择等效于:ASELL,ALL ESEL,ALL NSEL,ALL
asel,s,,,1
sfa,all,1,press,1000 !对选定的面1施加均布力1000
allsel
/stat,slou !显示求解状况
solve
/post1 !进入后处理
set,list !列出求解的步数及相关信息
set,last !读取最后一步结果
plns,s,eqv,,1 !绘出节点的等效应力云图
plns,epto,eqv !绘出节点的等效应变云图
/post26 !进入时间后处理器
plvar,2 !对以定义的变量2用曲线绘出
/exit,save !退出并存盘
好了,参照楼上师兄的命令,一个简单的ANSYS分析就进行完了.
愿大家共同进步!!
* --> k, l, a, v, e, n, cm, et, mp, r where ==>
k --> Keypoints
l --> Lines
a --> Area
v --> Volumes
e --> Elements
n --> Nodes
cm --> component
et --> element type
mp --> material property
r --> real constant
$ --> d, f, sf, bf, ic, where ==>
d --> DOF constraint (ux... in Structural, Temp in thermal,
f --> Force Load ( Heat in thermal)
sf --> Surface load on nodes
bf --> Body Force on Nodes
$* --> dk --> DOF constraints on KP (Vx,Vy,Pres... in CFD)
dl --> DOF constraints on Lines
da --> DOF constraints on Areas
fk --> Force on Keypoints
sfl --> Surface load on Lines
sfa --> Surface load on Areas
sfe --> Surface load on element faces
bfk --> Body Force on Keypoints
bfl --> Body Force on Lines
bfa --> Body Force on Area
bfv --> Body Force on Volumes
bfe --> Body Force on Elements
ic --> Initial Conditions ",
asba,p --> Subtract Area from Area
asbl,p --> Divide Area by line
vsba,p --> Divide volume by Area
lsbw,p --> Divide line by Workplane
vsbw,p --> Divide volume by Workplane
asbw,p --> Divide area by Workplane
vsbv,p --> subtract Volume by another volume
vdrag,p --> Drag areas along a line to create a new volume
adrag,p --> Drag line along a line to create a new area
ldrag,p --> Drag KP along a line to create a new line
k,p ---> Allows user to pick KP in the Workplane
l,p ---> Create lines from existing KP
ak,p ---> Create area from KP
al,p ---> Create area from lines
v,p ---> Create Volume from KP
va,p ---> Create Volume from Areas
e,p ---> Create Elem from existing nodes
en,p ---> Create Elem from nodes
D,p --> To apply DOF on nodes
DK,p --> To apply DOF on Keypoints
DL,p --> Apply DOF on Lines
DA,p --> Apply DOF on Areas ( symmetry or Anti-symmetry will be prompted) ****************
16b. FORCE Loading:
COMMAND SYNTAX : $*,p
See the valid combinations below: