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Abaqus allows non-physical data; however, most applications expect a positive density value and greater than 1.00000e-36 . 4 nodes associated with rigid bodies have boundary conditions prescribed
如圖,想用abaqus實(shí)現(xiàn)在兩個(gè)處于同一平面的面上分別施加力矩,用兩個(gè)參考點(diǎn)分別耦合兩個(gè)面,但是由于存在共用節(jié)點(diǎn)會(huì)導(dǎo)致過約束的情況,計(jì)算會(huì)報(bào)錯(cuò):OVERCONSTRAINT CHECKS: NODE 25 INSTANCE PART-1-1 IS USED MORE THAN ONCE AS A COUPLING NODE IN THE *KINEMATIC COUPLING KEYWORD.


ERROR: Abaqus/Explicit requires isothermal rigid bodies to have a non-zero capacitance unless temperature degrees of freedom are constrained with the *BOUNDARY option.
我用ABAQUS2020的umeshmotion子程序,輸出(NODE,CPRESS)的時(shí)候,發(fā)現(xiàn)NODE的值竟然超過了我自己模型所有節(jié)點(diǎn)的總和(就是說超過了我模型里面最大的節(jié)點(diǎn)編號(hào)),請(qǐng)問是abaqus版本問題嗎?,有沒有碰到過類似情況的朋友啊
For *tie pair (assembly_surf-tiedown-assembly_surf-tieup), adjusted nodes with very small adjustments were not printed. Specify *preprint,model=yes for complete printout. ABAQUS里這個(gè)意味著啥

Contact field output is requested for a node-based surface (*SURFACE, TYPE=NODE) spanning multiple instances in an Abaqus/Explicit analysis.
The nodes have been identified in node set WarnNodeNoMechanicalTransDef.Abaqus IS UNABLE TO ESTIMATE AN AVERAGE INTERFACE ELEMENT LENGTH.
abaqus里For *tie pair (assembly_surf-tiedown-assembly_surf-tieup), adjusted nodes with very small adjustments were not printed. Specify *preprint,model=yes for complete printout.這句話意味著什么?


abaqus在輸出軸內(nèi)花鍵上如何施加扭矩?1、施加方式必須是將施加扭矩面與參考點(diǎn)coupling嗎,coupling面是花鍵接觸面還是花鍵內(nèi)圓面呢?2、建立圓柱坐標(biāo)系,將扭矩施加在參考點(diǎn)哪個(gè)軸上呢,R/T/Z? CM1 CM2 CM3?
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