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基于互补理论的非连续变形分析方法 被引量:13

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摘要 常规的非连续变形分析法(DDA)采用"开-闭迭代"来处理块体之间的接触,在此过程中引入虚拟弹簧并假设其刚度(罚因子).不恰当的刚度值会导致数值计算方面的问题.为了避免引入罚因子,同时也回避"开-闭迭代",本项研究将DDA在一个时步内的分析重提为一个混合互补问题,并采用路径牛顿法(PNM法)进行求解,通过算例的应用表明该方案是可行的.
作者 郑宏 江巍
出处 《中国科学(E辑)》 CSCD 北大核心 2009年第10期1702-1708,共7页 Science in China(Series E)
基金 国家自然科学基金(批准号:90715028)资助项目
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