各位大侠,这是咋回事啊 !
>> WARNING : NODE NO. 641 RY DOF HAS A SINGULAR DIAGONAL = 0.000
>> WARNING : EQUATION NO. 1697
>> WARNING : NODE NO. 641 RX DOF HAS A SINGULAR DIAGONAL = 0.000
>> WARNING : EQUATION NO. 1696
>> WARNING : NODE NO. 641 DZ DOF HAS A SINGULAR DIAGONAL = 0.000
>> WARNING : EQUATION NO. 1695
>> WARNING : NODE NO. 641 DY DOF HAS A SINGULAR DIAGONAL = 0.000