一个螺栓连接模拟例子(包含预紧力)
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螺栓连接模拟（命令流）/PREP7
!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!参数定义!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!
hc=400 ! 柱截面高度
bc=200 ! 柱截面宽度
tcf=10 ! 柱翼缘厚度
tcw=8 ! 柱腹板厚度
lc=1100 ! 柱构件伸出长度
tep=20 ! 端板厚度
bep=bc+20 !端板宽度
HEP1= hc+200 !端板高度
tst=10 ! 端板外伸部分加劲肋厚度
hst=80 !端板外伸部分加劲肋高度
bst=bc/2-5 ! 端板外伸部分加劲肋高度
lbt=2*tep ! 螺栓杆长度
dbt=20 ! 螺栓杆直径或有效直径
dbth=31.4 ! 螺栓头和螺母直径
lbth=12.5 !螺栓头厚度
preten=155000 !螺栓施工预拉力
miu=.4 !端板间抗滑移系数
hb=400 ! 梁截面高度
bb=200 ! 梁截面宽度
tbf=8 ! 梁翼缘厚度
tbw=6 ! 梁腹板厚度
lb1=870 ! 梁构件伸出长度
lb2=200 ! 梁构件伸出的水平加载断长度
hb1=362 ! 梁最左端高度
dh0=dbt+2 !螺栓孔直径
randa=0.05 ! 梁的坡度
aa=50 !螺栓中心到梁翼缘边缘（非受力方向）的距离aa1=50 ! 螺栓中心到梁翼缘边缘（受力方向的距离ab=120 ! 一二排螺栓间距
displa=-50 ! 施加的位移荷载大小
!!!!!!!!!!! 建模开始!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!! 梁模型!!!!!!!!!!
block,o,tep, -hep1/2,hep1/2,0,bep/2
block,-tep,0,-hep1/2-100+4*tcf,hep1/2,0,bep/2
k,20,tep,hb/2
k,21,tep,hb/2-tbf
k,22,tep+lb1,hb/2-tbf+lb1*randa
k,23,tep+lb1,hb/2+lb1*randa
k,24,tep,hb/2,bb/2
k,25,tep,hb/2-tbf,bb/2
k,26,tep+lb1,hb/2-tbf+lb1*randa,bb/2
k,27,tep+lb1,hb/2+ lb1*randa,bb/2
v,20,21,22,23,24,25,26,27
k,28,tep,hb/2-tbf
k,29,tep,-hb/2+tbf
k,30,tep+lb1,-hb/2+tbf+lb1*randa
k,31,tep+lb1,hb/2-tbf+lb1*randa
k,32,tep,hb/2-tbf,tbw/2
k,33,tep,-hb/2+tbf ,tbw/2
k,34,tep+lb1,-hb/2+tbf+lb1*randa ,tbw/2
k,35,tep+lb1,hb/2-tbf+lb1*randa,tbw/2
v,28,29,30,31,32,33,34,35
block,tep+lb1,tep+lb1+lb2,hb/2-tbf+lb1*randa,hb/2+lb1*randa,0,bb/2 block,tep+lb1,tep+lb1+lb2, -hb/2+tbf+lb1*randa,hb/2- tbf+lb1*randa,0,tbw/2
vgen,2,3,5,2,,-hb+tbf,, ,0
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!! 颜色区分volumn!!!!!!!
/PNUM,KP,0
/PNUM,LINE,0
/PNUM,AREA,0
/PNUM,VOLU,1
/PNUM,NODE,0
/PNUM,TABN,0
/PNUM,SVAL,0
/NUMBER,1
/PNUM,ELEM,0
/REPLOT
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!! 柱模型!!!!!!!!!!
!!!!!!!端板对接斜坡!!!!!!!!!!!!!!!!!!!! !!!!!! 端板对接斜坡!!!!!!!!!!!!!!!!!!!! k,80,-tep,-hep1/2-100+4*tcf
k,81,-tep,-hep1/2-100
k,82,-tep+tcf, -hep1/2-100
k,83,0,-hep1/2-100+4*tcf
k,84,-tep,-hep1/2-100+4*tcf,bep/2 k,85,-tep,-hep1/2-100,bep/2
k,86,-tep+tcf, -hep1/2-100,bep/2
k,87,0,-hep1/2-100+4*tcf,bep/2
v,80,81,82,83,84,85,86,87
!!!!!! 柱翼缘!!!!!!!!!!!!!!!!!!!!
block,-tep,-tep+tcf,-hep1/2-100,-hb/2-lc,0,bc/2
block,-tep-hc+tcf,-tep-hc+2*tcf,-hb/2-lc,hb/ 2-(hc-2*tcf)*randa,0,bc/2 !!!!!! 柱腹板!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!
k,89,-tep-hc+2*tcf,-hb/2-lc
k,90,-tep,-hb/2-lc
k,92,-tep-hc+2*tcf,hb/2-(hc-2*tcf)*randa-tbf
k,91,-tep,hb/2-tbf
k,93,-tep-hc+2*tcf,-hb/2-lc,tcw/2
k,94,-tep,-hb/2-lc,tcw/2
k,96,-tep-hc+2*tcf,hb/2-(hc-2*t cf)*randa-tbf,tcw/2
k,95,-tep,hb/2-tbf,tcw/2
v,89,90,91,92,93,94,95,96
k,98, -tep,hb/2
k,97, -tep-hc+2*tcf,hb/2-(hc-2*tcf)*randa
k,100, -tep,hb/2,bb/2
k,99, -tep-hc+2*tcf,hb/2-(hc-2*tcf)*randa,bb/2