经典库仑摩擦定律的现代数学表述

来源 :第十四届现代数学和力学学术会议 | 被引量 : 0次 | 上传用户:caibo782
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采用凸分析理论工具重新认识经典的库仑摩擦定律.首先介绍凸分析理论的若干基本概念.然后从两方面对库仑摩擦定律进行分析.一方面是将摩擦力表示为速度的集值函数,引入速度势能的概念;另一方面将速度表示为摩擦力的集值函数,引入共轭势能的概念.最后给出速度在摩擦力凸集的法锥上这一结论,同时给出库仑摩擦力是否与相对滑动方向相反这一问题的解答.
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