使用hypermesh-LSDYNA模拟时候出现 *** Error 20209 (STR+209)和*** Error 20211 duplicate node # 0? 50
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请问各位大神，我在做冲击仿真时候反复出现 *** Error 20209 (STR+209)和*** Error 20211 (STR+211)
*** Error 20209 (STR+209)
duplicate node # 0
*** Error 20211 (STR+211)
reading contact segment data
undefined node # 0
0 -10000 0 0
input phase will continue if possible -- 0
*** Warning 20545 (STR+545)
segment 353
nodes 0 0 0 0
has zero area and has been deleted
不问出处 
