The results and the main contributions of the dissertation are as following . when the instantaneous impact is assumed and the friction between the contact surfaces is taken into account , the relations between the pre - impact state and the post - impact state cannot be described by using any simple impact laws 论文共计八章，其主要研究内容及学术贡献如下： ( 1 )在瞬间碰撞假设和考虑碰撞面切向摩擦的情况下，斜碰撞前后的系统状态关系不能用任何简单的碰撞关系描述。
您当前位置：