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[求助]
ANSYS非線性求解求助---螺栓預緊加接觸問題
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用非線性PCG求解器提示“During this loadstep the PCG iterative solver took more than 1000 iterations to solve the system of equations. In the future it may be more efficient to choose a direct solver, such as the SPARSE solver, for this analysis.” ; 而采用前面提示的SPARSE solver則出現(xiàn)“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). ” 誠請各位了解的給點指點呀,先謝了啊 、、、、、、 |

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