LS-DYNA中用壳-cohesive-壳报错？

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 Beginning of keyword reader                                   12/23/25 22:19:31

LS-DYNA中用壳-cohesive（实体+MAT138材料）-壳做冲击，报警告，计算完后，壳-cohesive）-壳这个层合板直接消失。

 *** Warning 40864 (SOL+864)
     Segment based contact stiffness was reduced due to
     an increasing solution time step. The new time step for
     the stiffness calculation is 1.0895E-03
     Contact Interface # 1

 *** Warning 40864 (SOL+864)
     Segment based contact stiffness was reduced due to
     an increasing solution time step. The new time step for
     the stiffness calculation is 1.3183E-03
     Contact Interface # 1

 *** Warning 40864 (SOL+864)
     Segment based contact stiffness was reduced due to
     an increasing solution time step. The new time step for
     the stiffness calculation is 1.5951E-03



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