『求助』连杆接触分析

我研究的是连杆大（小）头-轴瓦（衬套）-活塞销（曲柄销）之间的接触问题，曲柄销固定，在活塞销上施加面载荷（曲柄销和活塞销都只画了一半，可是每次计算十都出现衬套和轴瓦渗透进连杆的情况。
附上

*** WARNING *** SUPPRESSED MESSAGE CP = 21.625 TIME= 14:28:04
Some entities requested in the *VGET were undefined.

*** WARNING *** SUPPRESSED MESSAGE CP = 21.641 TIME= 14:28:04
Some entities requested in the *VGET were undefined.

*** WARNING *** CP = 29.125 TIME= 14:29:16
Previous testing revealed that 27 of the 37568 selected elements
violate shape warning limits. To review warning messages, please see
the output or error file, or issue the CHECK command.

*** WARNING *** CP = 295.016 TIME= 14:39:26
Contact element 36057 (real ID 5) status changes abruptly from contact
(with target element 35798) -> no-contact.
我采用面面接触，FKN设为1，参数基本上采用默认的。这是毕业设计的题目，希望好心人提个建议，谢谢大家