preconditioned conjugate gradient solver error level 1.possibly,the model is unconstrained or additional iterations may be needed, try running setting the multiplier MULT on the EQSLV command to greater than 1.0(but less than 3.0)
我把约束设置好了,以前也解出过结果来。只是结果有点问题。其中这个分析中有螺栓预紧力,也有面和面之间的接触对。在进行预紧力分析时,出现了上述错误。请问大家这个问题如何解决?谢谢了!!!