您的位置:网站首页 > Ansys教程

ANSYS广告牌承受风载荷的命令流模拟实例

时间:2011-02-01 07:47:47 来源:未知

文介绍了ANSYS广告牌承受风载荷的命令流模拟实例介绍。

  问题描述:广告牌承受风载荷的模拟

  采用单元:

  SOLID45

  SHELL181

  BEAM188

  约束为两立柱的底部节点全部约束

  风载全部加在壳单元的面上

  材料均为钢材

  以下为该例题的命令流

  fini

  /cle

  /title, mult-element in a model

  /filname,ele_test,1

  /prep7

  ET,1,SHELL181

  ET,2,SOLID45

  ET,3,BEAM188

  R,1,0.05

  r,2,0

  SECTYPE,1,BEAM,CSOLID,se1

  SECOFFSET, CENT

  SECDATA,0.2,8,0,0,0,0,0,0,0,0

  mp,ex,1,2e11

  mp,dens,1,7800

  mp,mu,1,0.3

  mp,nuxy,1,0.3

  rect,0,4,,3

  block,,4,-.5,0,,0.5

  block,,4,-.5,0,,-0.5

  k,,0,-5,0

  k,,4,-5,0

  k,,5,-5,0

  nummrg,kp

  l,6,21

  l,8,22

  wpoff,,-0.1

  wprot,,90

  vsbw,all

  wpoff,,,0.3

  vsel,s,,,3,5,2

  vsbw,all

  alls

  nummrg,all

  lsel,s,,,5,7

  lsel,a,,,21

  LATT,1,2,3,,23,,1

  asel,s,,,1,18,17

  AATT,1,1,1,0

  vsel,all

  VATT,1,1,2,0

  alls

  WPCSYS,-1,0

  lsel,s,loc,x,0.01,4-0.01

  lesi,all,,,12,1

  lsel,s,loc,y,0.01,2-0.01

  lesi,all,,,8,2.5

  lsel,a,loc,y,-.5-0.01,-5+0.01

  lesi,all,,,10,3

  alls

  lesi,4,,,8,1/2.5

  esize,0.05

  asel,s,loc,z,0

  asel,r,loc,y,-0.1,2

  amesh,all

  alls

  lsel,s,loc,x,0

  lsel,a,loc,x,4

  lsel,r,loc,z,0

  lsel,r,loc,y,-0.4,-5

  lmesh,all

  alls

  vsel,all

  vmesh,all

  alls

  asel,s,loc,y,0+0.01,2

  sfa,all,1,pres,100

  alls

  nsel,s,loc,y,-5

  d,all,all

  alls

  save

  /solu

  solve

  fini

  /post1

  PLNSOL,S,EQV,0,1

  ANCNTR,10,0.5