However, if the heat capacity matrix is not lumped, the numerical oscillation problem can not to be resolved even though by refining the local mesh or by decreasing the time step.
如果不进行集中热容矩阵，无论是细化网格还是减小时间步长，其解决数值振荡问题的效果都不好。
Pillar every inch a ditch circle, can be adjusted as per inch mesh height (increasing decreasing).
支柱每一英寸有一沟圈，可随意调节网片高度(每英寸递增减)。
Pillar every inch a ditch circle, can be adjusted as per inch mesh height (increasing decreasing).
支柱每一英寸有一沟圈，可随意调节网片高度(每英寸递增减)。
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