ANSYS简支梁命令流

悬臂板梁内力计算
/PREP7
L=4
T=0.02
B=1.8
BLC4,,,L,B
ET,1,SHELL93
MP,EX,1,2.1E11
MP,PRXY,1,0.3
R,1,T
ESIZE,0.2
MSHKEY,1
AMESH,ALL
DL,4,,ALL
SFA,ALL,2,PRES,1000
/SOLU
SOLVE
/POST1




!定义单元表
ETABLE,MYTX,SMISC,1
ETABLE,MYTY,SMISC,2
ETABLE,MYTXY,SMISC,3
ETABLE,MYMX,SMISC,4
ETABLE,MYMY,SMISC,5
ETABLE,MYMXY,SMISC,6
ETABLE,MYNX,SMISC,7
ETABLE,MYNX,SMISC,8





!路径积分方法
PATH,MIDL,2
PPATH,1,,L/2,0
PPATH,2,,L/2,B
PDEF,PMX,ETAB,MYMX,NOAV
PCALC,INTG,PTMX,PMX,S
*GET,TMX,PATH,,LAST,PTMX
!1/2L的截面弯矩理论值为3600N-M，而TMX=3611.99N-M，误差为0.3%
PDEF,PNX,ETAB,MYNX,NOAV
PCALC,INTG,PTNX,PNX,S
*GET,TNX,PATH,,LAST,PTNX
!1/2L截面剪力理论值3600N，而TMX=3599.49N-M，误差为0.01%



！单元节点力求和法
NSEL,S,LOC,X,L/2-0.2,L/2
ESLN,,1
NSEL,R,LOC,X,L/2
SPOINT,,L/2,B/2
FSUM