wewnen 发表于 2013-12-3 10:12

前处理的相关问题

a small negative equation solver pivot term has been encountered at the ROTZ degree of freedom of the node 242.check for the insufficiently constrained model
这是我做护栏模型是遇到的一个问题,加载后没法计算。请各位高手帮帮忙
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