求大神指导MSG文件中的问题，Contact pair中的不收敛问题

shican940111

CONTACT PAIR (LOWER_INTFACE_BSURF,LOWER_INTFACE_TSURF) NODE 9 IS INITIALLY  OVERCLOSED BY 0.         . THE TANGENT DIRECTIONS ARE (1.       ,-9.26058E-15,444.089E-18  ) AND (23.9193E-18 ,1.
  1.77636E-15).

CONTACT PAIR (INTER_BSURF,INTER_TSURF) NODE 2 OPENS BY 40.6162E-09  WITH A CONTACT RESSURE/FORCE OF -731.435E+03  .

456 SEVERE DISCONTINUITIES OCCURRED DURING THIS ITERATION.
                  456 POINTS CHANGED FROM CLOSED TO OPEN


有人遇到过这种问题么，求指导，新手还在学习，谢谢！