机构不动报错,请各位大大帮忙看看
WARNING: After 50 iterations of the calculations for the initial conditions, the
mechanism has been assembled with a maximum-magnitude error of 4.44015E-10
which does not satisfy the specified tolerance of 1.0E-10 .
WARNING: After 25 iterations, the accelerations and constraint forces have
not been resolved to within the specified tolerance of 1.0E-04 .
WARNING: The symbolic refactorization failed. The matrix is structurally singular
at time = 5.0E-03.