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Preface

机译:前言

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摘要

With this special issue, the editors intend to honour the memory of Professor J.A.C. (Jo(a)o) Martins, who passed away in Lisbon on August 5th 2008. Professor Martins made important contributions to Contact Mechanics, in particular to problems involving dynamic frictional contact, which were also the subject of his Ph.D. dissertation. He later became deeply involved in the study of friction-induced instabilities. He was committed to developing a general theoretical framework for the stability of finite dimensional systems for which he uncovered new results on several types of instabilities. These dealt with acceleration-reaction discontinuities at equilibrium and divergence and flutter instabilities of equilibrium states. In connection with divergence instabilities of frictional contact systems, he investigated the bifurcation behaviour of structures involving combinations of plasticity and frictional models.
机译:本期特刊旨在纪念J.A.C教授。 (Jo(a)o)Martins,于2008年8月5日在里斯本去世。Martins教授为接触力学做出了重要贡献,尤其是涉及动态摩擦接触的问题,这也是他的博士学位。论文。后来他深入研究了摩擦引起的不稳定性。他致力于为有限维系统的稳定性开发一个通用的理论框架,为此他发现了几种不稳定性类型的新结果。这些处理了平衡时的加速反应不连续性以及平衡状态的发散和颤振不稳定性。关于摩擦接触系统的发散不稳定性,他研究了涉及塑性和摩擦模型组合的结构的分叉行为。

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