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ansys计算模型 单元大概15万 一计算就出现以下错误，这是怎么回事？？？怎么解决？
0***** input argument error reported by subroutine xdslvv
see xdslvv abstract (ier = -402)
0***** process error reported by subroutine xdslvf
see xdslvf abstract (ier = -400)
*** ERROR *** CP = 14797.422 TIME= 17:52:00
Sparse Matrix Solver failure. Please check the error file for
possible causes.
*** ERROR *** CP = 14797.438 TIME= 18:11:29
Bisection may be activated if it is a nonlinear analysis.
0***** input argument error reported by subroutine xdslvv
see xdslvv abstract (ier = -402)
0***** process error reported by subroutine xdslvf
see xdslvf abstract (ier = -400)
*** ERROR *** CP = 14797.422 TIME= 17:52:00
Sparse Matrix Solver failure. Please check the error file for
possible causes.
*** ERROR *** CP = 14797.438 TIME= 18:11:29
Bisection may be activated if it is a nonlinear analysis.
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