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Ampare1987

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There is at least 1 small equation solver pivot term (e.g., at the UY   
degree of freedom of node 328).  Please check for an insufficiently     
constrained model.   
ÇëÎÊÎªÊ²Ã´Ô¼Êø²»×ãÄØ£¬¶ÔÓÚÕâÑùµÄʵÌ嵥ԪģÐÍÓ¦¸ÃÊ©¼Ó¶àÉÙ¸öÔ¼ÊøÄØ£¿
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/com   **** preprocessor ****
/PREP7
!******Element Type******
ET,1,SOLID185
ET,3,SHELL181
!******Material Props******
MP,DENS,1,7800  
MP,EX,1,2.06e11
MP,NUXY,1,0.3
!************Modeling************
r0=0.009                   !radius of the rigid is 9mm
h0=0.006                   !heigth of the rigid is 6mm
cyl4,,i,r0,,,,h0
HPTCREATE,AREA,1,0,COORD,0,0,0,
!************meshing************
!Area
asel,s,loc,z,0
AATT,1,,3,0
Esize,0.002
Amesh,all
!volume
VATT,       1, ,   1,       0
Esize,0.005
EXTOPT,ACLEAR,1
vsweep,all
!rotate the model
Nsel,s,loc,x,0
Nsel,r,loc,y,0
nplot
D,ALL, ,0, , , ,UX, , , , ,
D,ALL, ,0, , , ,UY, , , , ,
D,ALL, ,0, , , ,UZ, , , , ,
D,ALL,ROTX,0
D,ALL,ROTY,0
D,ALL,ROTZ,3.1415926/4
allsel,all
save
/com   **** Solution ****
/solu
solve
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Ampare1987

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5Â¥: Originally posted by liyaobo0509 at 2018-06-05 13:12:34
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Ampare1987

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7Â¥: Originally posted by liyaobo0509 at 2018-06-06 19:48:13
ʵ¼ù¼ìÑé¹ýºÜ¶à´Î£¬µ±È»¿¿Æ×~¿ÉÒÔÊÔÏÂMPC

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N,1000,0,0,0.01,0,0,0
cp,1,UX,1000,1
cp,2,UY,1000,1
CP,3,UZ,1000,1
CP,4,ROTX,1000,1
CP,5,ROTY,1000,1
CP,6,ROTZ,1000,1
cp,1,UX,all
cp,2,UY,all
CP,3,UZ,all
CP,4,ROTX,all
CP,5,ROTY,all
CP,6,ROTZ,all

D,1000, ,0, , , ,UX, , , , ,
D,1000, ,0, , , ,UY, , , , ,
D,1000, ,0, , , ,UZ, , , , ,
D,1000,ROTX,0
D,1000,ROTY,0
D,1000,ROTZ,3.1415926/4
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Coupled node set 4 has unused node 1000.                                
Coupled node set 5 has unused node 1000.                                
Coupled node set 6 has unused node 1000.                                
Specified degree of freedom constraint UX at unused node 1000.         
Specified degree of freedom constraint UY at unused node 1000.         

Specified degree of freedom constraint UZ at unused node 1000.         
Specified degree of freedom constraint ROTX at unused node 1000.        
Specified degree of freedom constraint ROTY at unused node 1000.        
Specified degree of freedom constraint ROTZ at unused node 1000.        
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liyaobo0509

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8Â¥: Originally posted by Ampare1987 at 2018-06-07 10:14:50
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N,1000,0,0,0.01,0,0,0
cp,1,UX,1000,1
cp,2,UY,1000,1
CP,3,UZ,1000,1
CP,4,ROTX,1000 ...

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Ampare1987

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by shgao20 at 2018-06-05 08:44:50
ANSYS  ¾²Á¦·ÖÎöÒ²¿ÉÒÔʵÏÖת¶¯£¬Ö»ÊÇÄãµÄ×ö·¨ÓÐÎÊÌâ¡£
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10Â¥2018-06-13 09:42:36
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