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[求助] ANSYS求解时，messag文件出了这样的提示是是什么问题

slave surface of interface =       1
   type                      =       14
   surface timestep          = 4.170E-08
   controlling slave node ID =    170
   part ID of slave node       =       1
   current minimum time step = 4.170E-08

   master surface of interface  =       1
   type                      =       14
   surface timestep          = 2.406E-08
   controlling master node ID =    5916
   part ID of master node    =       2
   current minimum time step = 2.406E-08

   slave surface of interface =       2
   type                      =       14
   surface timestep          = 4.170E-08
   controlling slave node ID =    170
   part ID of slave node       =       1
   current minimum time step = 2.406E-08

   master surface of interface  =       2
   type                      =       14
   surface timestep          = 1.298E-07
   controlling master node ID =    13566
   part ID of master node    =       3
   current minimum time step = 2.406E-08

   slave surface of interface =       3
   type                      =       14
   surface timestep          = 4.170E-08
   controlling slave node ID =    170
   part ID of slave node       =       1
   current minimum time step = 2.406E-08

   master surface of interface  =       3
   type                      =       14
   surface timestep          = 2.117E-08
   controlling master node ID = 223260
   part ID of master node    =       4
   current minimum time step = 2.117E-08

   slave surface of interface =       4
   type                      =       13
   surface timestep          = 2.117E-08
   controlling slave node ID = 223260
   part ID of slave node       =       4
   current minimum time step = 2.117E-08

The LS-DYNA time step size should not exceed    2.117E-08
to avoid contact instabilities.  If the step size is
bigger then scale the penalty of the offending surface.

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