beam161梁单元失效是怎么回事
浏览：178103 回答：1
我用BEAM161模拟钢管和角钢，用实体单元模拟船舶，碰撞后怎末没有读数，弹出的提示是什么意思，如何解决？谢谢。1. warning Massless nodes :the following massless nodes were found node#10........2. warning total number of massless nodes=14920
THE LS-DYNA time step size should not exceed 0.623E-04 to avoid contact instabilities.if the step size is bigger then scale the penalty of the offending surface.
3. beam element #2385 failed at time 1.29533E+00； failed element report time=1.295E+00 number of failed solid elements=0 number of failed beam element=1 number of failed shell elements=0. beam element # 2385 failed at time 1.29533E+00
beam element # 2386 failed at time 1.29556E+00
node number # 4788 deleted time 1.29556E+00..............
THE LS-DYNA time step size should not exceed 0.623E-04 to avoid contact instabilities.if the step size is bigger then scale the penalty of the offending surface.
3. beam element #2385 failed at time 1.29533E+00； failed element report time=1.295E+00 number of failed solid elements=0 number of failed beam element=1 number of failed shell elements=0. beam element # 2385 failed at time 1.29533E+00
beam element # 2386 failed at time 1.29556E+00
node number # 4788 deleted time 1.29556E+00..............
xiena155 
