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PREMIX火焰的模拟,统一输入参数,分别模拟两个机理,结果第一个出现
TWOPNT: SOLVE THE PROBLEM.
LOG10 LOG10
TASK NORM F COND J REMARK
START 0.46 30 GRID POINTS
SEARCH 43.06 GOING OUT OF BOUNDS
EVOLVE -2.02 10.12 100 TIME STEPS, 1.0E-06 LAST STRIDE
SEARCH 14.86 GOING OUT OF BOUNDS
EVOLVE -2.19 10.54 100 TIME STEPS, 2.0E-06 LAST STRIDE
SEARCH 14.67 GOING OUT OF BOUNDS
EVOLVE -2.36 10.93 100 TIME STEPS, 4.0E-06 LAST STRIDE
SEARCH 37.54 GOING OUT OF BOUNDS
EVOLVE -2.74 11.35 100 TIME STEPS, 8.0E-06 LAST STRIDE
SEARCH 36.10 GOING OUT OF BOUNDS
EVOLVE -3.54 11.76 100 TIME STEPS, 1.6E-05 LAST STRIDE
SEARCH 47.99 GOING OUT OF BOUNDS
EVOLVE -3.84 12.12 100 TIME STEPS, 3.2E-05 LAST STRIDE
SEARCH -7.04 14.77 6 SEARCH STEPS
REFINE 0.46 1.00 AND 1.00 RATIOS, 39 GRID POINTS
Out of memory allocating jacobian for grid size 39
Returning solution for last grid (size 30)
30是之前猜想节点的数目NPTS,这个导致输出结果直接用了前面猜想的30个节点,没有进行具体的模拟
第二个出现:
TWOPNT: SOLVE THE PROBLEM.
LOG10 LOG10
TASK NORM F COND J REMARK
START 0.46 30 GRID POINTS
SEARCH 16.32 GOING OUT OF BOUNDS
EVOLVE -2.04 10.02 100 TIME STEPS, 1.0E-06 LAST STRIDE
SEARCH 14.52 GOING OUT OF BOUNDS
EVOLVE -2.31 10.44 100 TIME STEPS, 2.0E-06 LAST STRIDE
SEARCH 14.36 GOING OUT OF BOUNDS
EVOLVE -2.45 10.83 100 TIME STEPS, 4.0E-06 LAST STRIDE
Error: The jacobian matrix is singular.
ERROR condition returned from PREMIX
这个也不知道该怎么解决
求大神们指导啊,这两个问题都是怎么导致的,应该修改哪部分参数啊?
(PS:TEMP、REAC等输入参数都是一样的) |
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