最近在用ansys做鋼絞線接觸分析，遇到了計算不收斂問題。
有這樣的warning。
*** WARNING *** CP = 1480.594 TIME= 10:59:08
Contact element 12242 (real ID 1) status changes abruptly from
no-contact -> contact (with target element 11943).
*** WARNING *** CP = 1552.547 TIME= 10:59:50
Contact element 12860 (real ID 1) status changes abruptly from
no-contact -> contact (with target element 11809).
*** WARNING *** CP = 1779.250 TIME= 11:01:48
Contact element 12858 (real ID 1) status changes abruptly from
no-contact -> contact (with target element 11807).
*** WARNING *** CP = 1855.859 TIME= 11:02:27
Contact element 13103 (real ID 1) status changes abruptly from
no-contact -> contact (with target element 11606).
*** WARNING *** CP = 2052.984 TIME= 11:04:10
Contact element 12375 (real ID 1) status changes abruptly from contact
(with target element 11775) -> no-contact.
*** WARNING *** SUPPRESSED MESSAGE CP = 2141.094 TIME= 11:04:55
Contact element 12375 (real ID 1) status changes abruptly from contact
(with target element 11775) -> no-contact.
