:)不好意思,是不是我没有说明白自己得问题啊?我又换了纵梁以及盘压杆得单元类型。
具体请见命令流文件!
/prep7
ET,1,189 !定义三角架以及纵梁属性
MP,EX,1,5.7e10
MP,EY,1,1.24e10
MP,EZ,1,1.24e10
MP,PRXY,1,0.208
MP,PRYZ,1,0.058
MP,PRXZ,1,0.208
MP,GXY,1,6.19e9
MP,GYZ,1,6.19e9
MP,GXZ,1,6.19e9
MP,DENS,1,2000
SECTYPE,1,BEAM,RECT,,
SECDATA,0.003,0.003,4,4
R,1,,
ET,2,8 !定义斜拉杆属性
R,2,25E-6,0.0001
MP,EX,2,1e10
MP,DENS,2,100
ET,3,21 !定义质量快属性
R,3,1/3,1/3,1/3,,,
/VIEW,1,1,1,1
CSYS,1
*AFUN,DEG
K,1,0.125,90,0
K,2,0.125,210,0
K,3,0.125,330,0
K,1000,0,0,5
LSTR,1,2
LSTR,2,3
LSTR,3,1
LATT,1,1,1,,1000,,1
LESIZE,ALL,,,4
LMESH,ALL
LGEN,71,ALL,,,0,0,0.145,,0
TYPE,2
MAT,2
REAL,2
*DO,I,1,70
E,(I-1)*36+1,(I-1)*36+38
E,(I-1)*36+2,(I-1)*36+50
E,(I-1)*36+14,(I-1)*36+37
*ENDDO
*GET,NKP,KP,,NUM,MAX
K,NKP+1,0.125,90,0
K,NKP+2,0.125,210,0
K,NKP+3,0.125,330,0
K,NKP+4,0.125,90,0.145*70
K,NKP+5,0.125,210,0.145*70
K,NKP+6,0.125,330,0.145*70
LSTR,NKP+1,NKP+4
LSTR,NKP+2,NKP+5
LSTR,NKP+3,NKP+6
LSEL,S,LINE,,214,216,1
LATT,1,1,1,,1000,,1
LESIZE,ALL,,,1400
LMESH,ALL
TYPE,3
REAL,3
LSEL,S,LOC,Z,0.145*70
NSEL,R,LOC,X,0.125
E,2521
E,2522
E,2534
ALLSEL
NROTAT,ALL
CPINTF,UX,
CPINTF,UY,
CPINTF,UZ,
CPINTF,ROTY,
CPINTF,ROTZ,
/SOLU
DK,1,ALL
DK,2,ALL
DK,3,ALL
SOLVE
有个问题不大明白,希望高手能帮帮我啊!!!!!!!!!!!!!!
就是在斜拉杆上加了预应力(拉力)
我觉得ansys求解得盘压杆得变形和实际不相符合!不知道为什么啊? |