Warning:The nonlinear system failed: the iteration can not help reducing the residual effectively in a long period
Nonlinear system iterating statistics:
iter = 6447
nfeval = 56675
njeval = 2301
Residual:
{ -11.8922, 905.115, -29.6511, -2940.83, -6.99755,
0.166885, -0.00281135, 0.188969, -0.002, 14.5669,
14.817, 15.064, 0.389851 }
Nonlinear solutions:
Hr431a[2] = 450234
Hr431a[3] = 524299
Hr431a[4] = 576130
Hr431a[5] = 615457
tLBE_zheng[2] = 696.604
tLBE_zheng[3] = 651.553
tLBE_zheng[4] = 620.258
tin = 596.637
vzhengin1 = 1.41702
tout = 773.797
Tlav[4] = 728.935
Tlav[3] = 684.461
Tlav[2] = 640.364
Warning:Time = 9.58265783, the nonlinear system (8, 7) failed!

Simulation finished at time = 9.580167038 (stopTime = 10)
CPU time for Integration: 1520.29s
Number of Time Events: 0
Number of State Events: 7315
Number of Step Events: 0
Number of Grid Points: 4
Minimum integration stepsize: 3.72129e-011
Maximum integration stepsize: 0.775594
仿真失败。单步计算失败。这个该如何解决啊？