ansys 焊接热应力耦合错误，求帮助。
在计算过程中出现One or more elements have become highly distorted.Excessivedistortion of elements is usually a symptom indicating the need for
corrective action elsewhere.Try ramping the load up instead of step
applying the load (KBC,1).You may need to improve your mesh to
obtain elements with better aspect ratios.Also consider the behavior
of materials, contact pairs, and/or constraint equations.If this
message appears in the first iteration of first substep, be sure to
run shape checking of elements.是怎么回事，请大侠们帮帮忙。 有个单元大变形，导致出现错误了，再把网格改进一下，另外也可以考虑材料参数、接触等问题。
英文很简单，看得懂吧？ 这些英文不是很懂是单元划分的不正确？
矩阵方程无法求解，要不重画网格，要不重新选求解器，要不提高载荷步。重新画单元是最好的解决方法 恩啊，我重新划分了网格而且修改了约束条件问题解决了谢谢
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