ansys线—线接触和线—面接触的间隙问题怎么处理？ 70

你好，我用线-面接触和线-线接触分别模拟主缆钢丝与鞍槽接触和主缆钢丝与钢丝之间相互接触行为，钢丝与钢丝、鞍槽之间都有一定的间隙，钢丝之间存在5.25mm（钢丝直径）间隙，钢丝与鞍槽侧壁存在2.625mm（钢丝半径）间隙，因为钢丝与鞍槽的曲率半径不同，所以钢丝与鞍槽底面的间隙不清楚，具体的我把命令流和错误提示附上各位帮看一下。

命令流如下：

finish$/clear$/prep7
!1.几何模型
k,1$k,2,40.75$k,3,40.75,2$k,4,38.75,2$k,5,2,2$k,6,,2$k,7,,60$k,8,2,60$k,9,38.75,60$k,10,40.75,60
k,12,,-201,750$k,13,,-1100,500
!钢丝定义
k,14,4.625$k,15,4.625,-475.57,1100$k,16,4.625,-475.57,-1100
larc,15,16,14$y1=4.5466
lgen,7,all,,,5.25        !$lgen,2,1,,,2.625,y1$lgen,6,8,,,5.25$lgen,3,all,,,,2*y1$lgen,2,1,7,1,,6*y1
allsel
lsbw,all             !切一刀
!单元属性定义
emst1=2.0e5$denss=7.85e-6$et,1,beam4$et,3,solid45$et,4,mesh200,6$mp,ex,1,emst1
mp,ex,3,emst1$mp,prxy,3,0.3$mp,dens,1,denss$mp,dens,3,denss$r,11,21.647,74.9,6.25
latt,1,11,1$lesize,all,,,800$lmesh,all
!轨迹线定义
larc,1,12,13,1500
!鞍槽面
a,1,2,3,6$a,6,5,8,7$a,4,3,10,9
cm,suoan,area
vdrag,suoan,,,,,,1$vsel,all$vatt,3,,3   !拉伸体
ldele,1
!定义鞍槽划分面的属性
asel,s,loc,z,0$aatt,,,4
lsel,all
lesize,2,,,20$lesize,3,,,2$lesize,4,,,20$lesize,5,,,2
lesize,24,,,2$lesize,25,,,29$lesize,26,,,2$lesize,27,,,29
lesize,6,,,2$lesize,7,,,29$lesize,22,,,2$lesize,23,,,29
amesh,1$amesh,2$amesh,3
esize,10    !设置间距
vsweep,1,1,8,1$vsweep,2,2,13,1$vsweep,3,3,18,1   !体扫描
vsel,all
cm,ancao,volu
vsymm,z,ancao!主缆与索鞍几何模型结束
/com,contact pair creation-start     !接触摩擦
mp,mu,4,0.2                                    !摩擦系数
et,5,conta176$et,6,conta177$et,7,targe170   !接触单元类型
keyopt,5,5,1$keyopt,6,5,1     !自动闭合间隙
r,1$r,96$r,97$r,98$r,99$r,100$r,101$r,102$r,103$r,104$r,105$r,106$r,107$r,108$r,109
r,110$r,111$r,112$r,113$r,114$r,115$r,116$r,117$r,118$r,119
r,120$r,121$r,122$r,123$r,124$r,125$r,126$r,127$r,128$r,129
r,130$r,131$r,132$r,133$r,134$r,135$r,136$r,137$r,138$r,139
r,140$r,141$r,142$r,143$r,144$r,145$r,146$r,147$r,148$r,149
r,150$r,151$r,152$r,153$r,154$r,155$r,156$r,157$r,158$r,159
r,160$r,161$r,162$r,163$r,164$r,165$r,166$r,167$r,168$r,169
r,170$r,171$r,172$r,173$r,174$r,175$r,176$r,177$r,178$r,179
r,180$r,181$r,182$r,183$r,184$r,185$r,186$r,187$r,188$r,189
r,190$r,191$r,192$r,193$r,194$r,195$r,196$r,197$r,198$r,199
r,200$r,201$r,202$r,203$r,204$r,205$r,206$r,207$r,208$r,209
r,210$r,211$r,212$r,213$r,214$r,215$r,216$r,217$r,218$r,219
r,220$r,221$r,222$r,223$r,224$r,225$r,226$r,227$r,228$r,229$r,230   
!定义钢丝与鞍槽接触（线-面接触）
asel,s,,,6$nsla,s,0$type,7,$real,96$esurf 
lsel,s,,,9$nsll,s,1$type,6$real,96$mat,4$esurf    !9号钢丝与槽底接触
asel,s,,,10$nsla,s,0$type,7,$real,97$esurf 
lsel,s,,,9$nsll,s,1$type,6$real,97$mat,4$esurf    !9号钢丝与侧壁接触
asel,s,,,6$nsla,s,0$type,7,$real,98$esurf 
lsel,s,,,8$nsll,s,1$type,6$real,98$mat,4$esurf    !8号钢丝与槽底接触
asel,s,,,6$nsla,s,0$type,7,$real,99$esurf 
lsel,s,,,12$nsll,s,1$type,6$real,99$mat,4$esurf     !12号钢丝与槽底接触
asel,s,,,6$nsla,s,0$type,7,$real,100$esurf 
lsel,s,,,14$nsll,s,1$type,6$real,100$mat,4$esurf     !14号钢丝与槽底接触
asel,s,,,6$nsla,s,0$type,7,$real,101$esurf 
lsel,s,,,16$nsll,s,1$type,6$real,101$mat,4$esurf      !16号钢丝与槽底接触
asel,s,,,6$nsla,s,0$type,7,$real,102$esurf 
lsel,s,,,18$nsll,s,1$type,6$real,102$mat,4$esurf      !18号钢丝与槽底接触
asel,s,,,6$nsla,s,0$type,7,$real,103$esurf 
lsel,s,,,20$nsll,s,1$type,6$real,103$mat,4$esurf      !20号钢丝与槽底接触
asel,s,,,17$nsla,s,0$type,7,$real,104$esurf 
lsel,s,,,20$nsll,s,1$type,6$real,104$mat,4$esurf      !20号钢丝与侧壁接触asel,s,,,21$nsla,s,0$type,7,$real,105$esurf 
lsel,s,,,10$nsll,s,1$type,6$real,105$mat,4$esurf    !10号钢丝与槽底接触
asel,s,,,26$nsla,s,0$type,7,$real,106$esurf 
lsel,s,,,10$nsll,s,1$type,6$real,106$mat,4$esurf    !10号钢丝与侧壁接触
asel,s,,,21$nsla,s,0$type,7,$real,107$esurf 
lsel,s,,,11$nsll,s,1$type,6$real,107$mat,4$esurf    !11号钢丝与槽底接触
asel,s,,,21$nsla,s,0$type,7,$real,108$esurf 
lsel,s,,,13$nsll,s,1$type,6$real,108$mat,4$esurf     !13号钢丝与槽底接触
asel,s,,,21$nsla,s,0$type,7,$real,109$esurf 
lsel,s,,,15$nsll,s,1$type,6$real,109$mat,4$esurf     !15号钢丝与槽底接触
asel,s,,,21$nsla,s,0$type,7,$real,110$esurf 
lsel,s,,,17$nsll,s,1$type,6$real,110$mat,4$esurf      !17号钢丝与槽底接触
asel,s,,,21$nsla,s,0$type,7,$real,111$esurf 
lsel,s,,,19$nsll,s,1$type,6$real,111$mat,4$esurf      !19号钢丝与槽底接触
asel,s,,,21$nsla,s,0$type,7,$real,112$esurf 
lsel,s,,,21$nsll,s,1$type,6$real,112$mat,4$esurf      !21号钢丝与槽底接触
asel,s,,,34$nsla,s,0$type,7,$real,113$esurf 
lsel,s,,,21$nsll,s,1$type,6$real,113$mat,4$esurf      !21号钢丝与侧壁接触lsel,s,,,9$nsll,s,1$type,7$real,114$esurf    
lsel,s,,,8$nsll,s,1$type,5$real,114$mat,4$esurf   !定义9-8钢丝目标线与接触线
lsel,s,,,8$nsll,s,1$type,7$real,115$esurf   
lsel,s,,,12$nsll,s,1$type,5$real,115$mat,4$esurf   !定义8-12钢丝目标线与接触线
lsel,s,,,12$nsll,s,1$type,7$real,116$esurf    
lsel,s,,,14$nsll,s,1$type,5$real,116$mat,4$esurf   !定义12-14钢丝目标线与接触线
lsel,s,,,14$nsll,s,1$type,7$real,117$esurf    
lsel,s,,,16$nsll,s,1$type,5$real,117$mat,4$esurf   !定义14-16钢丝目标线与接触线
lsel,s,,,16$nsll,s,1$type,7$real,118$esurf   
lsel,s,,,18$nsll,s,1$type,5$real,118$mat,4$esurf   !定义16-18钢丝目标线与接触线
lsel,s,,,18$nsll,s,1$type,7$real,119$esurf    
lsel,s,,,20$nsll,s,1$type,5$real,119$mat,4$esurf    !定义18-20钢丝目标线与接触线
lsel,s,,,10$nsll,s,1$type,7$real,114$esurf    
lsel,s,,,11$nsll,s,1$type,5$real,114$mat,4$esurf   !定义10-11钢丝目标线与接触线
lsel,s,,,11$nsll,s,1$type,7$real,115$esurf   
lsel,s,,,13$nsll,s,1$type,5$real,115$mat,4$esurf   !定义11-13钢丝目标线与接触线
lsel,s,,,13$nsll,s,1$type,7$real,116$esurf    
lsel,s,,,15$nsll,s,1$type,5$real,116$mat,4$esurf   !定义13-15钢丝目标线与接触线
lsel,s,,,15$nsll,s,1$type,7$real,117$esurf    
lsel,s,,,17$nsll,s,1$type,5$real,117$mat,4$esurf   !定义15-17钢丝目标线与接触线
lsel,s,,,17$nsll,s,1$type,7$real,118$esurf   
lsel,s,,,19$nsll,s,1$type,5$real,118$mat,4$esurf   !定义17-19钢丝目标线与接触线
lsel,s,,,19$nsll,s,1$type,7$real,119$esurf    
lsel,s,,,21$nsll,s,1$type,5$real,119$mat,4$esurf$allsel,all  !定义10-11钢丝目标线与接触线
da,all,all
nsel,s,loc,z,1100
cm,youjiedian,node
nsel,s,loc,z,-1100
cm,zuojiedian,node
/solu$antype,0
nlgeom,on
!outpr,basic,all
outres,all,all
autots,on
time,1$nsubst,5
f,zuojiedian,fy,-100$f,zuojiedian,fz,100$d,zuojiedian,ux
f,youjiedian,fy,-100$f,youjiedian,fz,-100$d,youjiedian,ux
time,2$nsubst,5
da,all,rotx,10$allsel,all$solve
finish$/post26
nsol,2,42235,rot,x                           !定义变量2为节点42235的x向转角
rforce,3,1,f,y                                   !定义变量3为节点1的y向反力
prod,4,3,,,,,,-1
/axlab,x,rotx
/axlab,y,fy
xvar,2$plvar,4
prvar,2,4

错误提示如下：

 *** WARNING ***                         CP =    1963.484   TIME= 19:45:31
 All selected contact pairs are initially open.  Rigid body motion can   occur.  You may use auto CNOF/ICONT by setting KEYOPT(5) to close small gaps. （我用GUI试过关闭两种接触单元的K5，但是还是这种错误）                                                          

  *** WARNING ***                         CP =    1978.516   TIME= 19:45:40
 A reference force value times the tolerance is used by the  Newton-Raphson method for checking convergence.  The calculated   reference FORCE CONVERGENCE VALUE = 1.973491185E-09 is less than a  threshold.  This threshold defaults to 1.0-2 or is specified as MINREF  on the CNVTOL command.  Check results carefully.                        

*** WARNING ***                         CP =    2031.641   TIME= 19:46:13
 No data points are saved during this storage step.                      

*** WARNING ***                         CP =    2031.703   TIME= 19:46:13
 No data stored for operations.  The PROD command is ignored.           

 *** WARNING ***                         CP =    2032.141   TIME= 19:46:13
 No data is stored.  The PRVAR command is ignored.