按照庄茁的书里的例子做的,物体以一定的速度撞向地面,地面是离散刚体,为啥穿透了,而且出现error:The ratio of deformation speed to wave speed exceeds 1.0000 in at least one element. This usually indicates an error with the model definition. Additional diagnostic information may be found in the message file. 接触是通用接触,求大侠指点!