请问大家如何设置塑性功转化为热啊,是CONTROL_THERMAL_SOLVER中的FWORK么,我设了,还开启了摩擦,分析时温度变化很小,请大家帮忙指点呀,谢谢!最后出错提示
*** Error - the solution has a non-positive definite
stiffnes matrix
solution time 4.8000E-04
time step size 1.0000E-05
suggestion - decrease time step
23036 t 4.7001E-04 dt 1.00E+06 write d3plot file