求助INP转MNF边界节点如何定义?
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例如这连杆绕着RP3旋转,那改写INP文件如下:(注明蓝色部分)
** ----------------------------------------------
**
*STEP
*FREQUENCY,EIGENSOLVER=LANCZOS
20,
*BOUNDARY
RP3, 1,6
*END STEP
**
** ----------------------------------------------
**
** SUBSTRUCTURE GENERATION
**
*STEP
*SUBSTRUCTURE GENERATE, TYPE=Z1, RECOVERY MATRIX=YES,
MASS MATRIX=YES, OVERWRITE
*FLEXIBLE BODY, TYPE=ADAMS
*RETAINED NODAL DOFS
RP3, 1,6
*SELECT EIGENMODES,generate
1,20
*END STEP
这蓝色部分对吗?(我只想连杆绕着RP3的Z轴旋转)