为什么BEAM44单元求解后没有切应力啊？？？？
FINISH/CLEAR/FILNAM,YINGXIANGXIAN1/TITLE,QI_CHE_HE_ZAI/PREP7!!!单位KN,MET,1,BEAM44!选择BEAM44单元MP,EX,1,2.06E8
!定义材料特性MP,PRXY,1,0.3MP,DENS,1,7.85!beam44实常数1，面积
Iz
Iy
下层厚度扭转惯性矩形心偏移R,1,
49.91E-4,435.8E-8,7776E-8, 0.15,0.063,
0,
0,0,0 ,
0.15,0.063N,1000,0,1,0*DO,I,1,241
N,I,(I-1)*0.025,0,0*END DO TYPE,
1
MAT,
1REAL,
1*DO,I,1,240
E,I,I+1,1000*END DO /SOLUD,NODE(0.525,0,0),UY,,,,,D,NODE(0.975,0,0),UY,,,, ROTX, ROTZ ,UXD,NODE(5.025,0,0),UY,,,,,,D,NODE(5.475,0,0),UY,,,,, ACEL,0,9.81*1.2,0
SFEDELE,ALL,1,PRES
ESEL,ALL
ESEL,S,,,43,66,1
ESEL,A,,,114,137,1
SFBEAM,ALL,1,PRES,231,231,,,,, !加载均布力231KN/M
ESEL,ALLSOLVE
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