期刊文献+

接触表面的边界条件奇异性及其随机扰动 被引量:1

Boundary condition singularity and stochastic perturbation on contact interface
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摘要 碰撞表面的随机边界条件反映了粘弹性材料在不同碰撞条件下的复杂性质.数值的不确定性和确定模型的渐近估计都可以利用计算机系统来计算.运用有限元方法来模拟碰撞表面的变形,得出远离接触表面部分的结构保持稳定. The stochastic boundary condition in the contact interface reflects complex properties of visco-elastic material with various contact conditions.Numerical uncertainties from the simulation and the asymptotic estimates from the determined model are calculated to form a benchmark.The finite element method to simulate the deformation of the contact interface is used,while part of the structure distant from the contact interface remains stable.
机构地区 上海大学理学院
出处 《应用数学与计算数学学报》 2011年第2期127-136,共10页 Communication on Applied Mathematics and Computation
基金 国家自然科学基金资助项目(10871225) 上海市教委重点课题资助项目(J.50101)
关键词 随机接触表面 应力分布 奇异摄动 自适应有限元 stochastic contact interface stress distribution singular perturbation adaptive finite element analysis(FEA)
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