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求助！lsdyna出现这个问题，并且一直卡住不往后计算了? 200

 *** Warning 30432 (INI+432)

     SPH support normal mass scaling (dt2ms) features only

 input of data is completed

 initial kinetic energy = 0.00000000E+00

 The LS-DYNA time step size should not exceed     1.512E+01

 to avoid contact instabilities.  If the step size is

 bigger then scale the penalty of the offending surface.

到这之后就一直卡住也不往下进行了。