标题: catia模型导入adams中加约束出现的问题 [打印本页] 作者: lingling1447 时间: 2006-7-10 17:35 标题: catia模型导入adams中加约束出现的问题 请教高手，在catia建的单个模型导入到adams中，加完约束副，不能演示，出现下述错误
ERROR: The system matrix has a zero pivot for column 25, which is associated with PART/6 Xdot. Consequently, the matrix is numerically singular.
ERROR: Abnormal termination encountered in Solver.
是怎么回事呀？