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发表于 2009-7-16 10:00:07
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扭矩属于集中力,不能直接加载在2D或3D实体上,一般可通过节点集中载荷等效或用表面效应单元等效,下面为节点集中载荷等效参考命令流
CSWPLA,11,1 !CREATE A LOCAL CYLINDRICAL COORDINATE SYSTEM
CSYS,11 !ACTIVE THE LOCAL COORDINATE 11
NSEL,S,,,10,69,1 !SELECT 60 NODES ON SURFACE OF CYLINDER FOR ROTATE NODAL CS TO ACTIVE CS
NROTAT,ALL !ROTATE NODAL CS TO ACTIVE CS
/PSYMB,NDIR,1 !SHOW NADAL CS SYMBOLS ON DISPLAYS
F,ALL,FY,100 !LOAD FORCE ON THETA DIRECT TO REPLACE MOMENT,THE MOMENT IS FORCE PER NODE×NODE NUMBER×RADIUS OF SHAFT
[ 本帖最后由 guaner 于 2009-7-16 10:12 编辑 ] |
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