1. Tetrahedron element 2237 has a Jacobian ratio of 52.3 which exceeds the warnig limit of 30. Midside nodes ,if any, may be poorly positioned<BR><BR><BR>这是什么意思呢?<BR>跟求解是否有关系?<BR>用了单元退化以后出现的<BR><BR>2. After Nummrg all ,node 136 is associate with more than one solid modele entity.Future conmands which depend on the node to solid model connectivity may not prerate proerly <BR><BR>划分网格以后用了Nummrg,all出现的 <BR>对求解有影响吗?