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Finite element analysis for delamination of laminated vibration damping steel sheet

时间：0
分类：TG49[金属学及工艺—焊接]
作者机构：[1]National Die and Mold CAD Engineering Research Center, Shanghai Jiao Tong University, Shanghai 200030, China, [2]Institute of Engineering Mechanics, Shandong Jianzhu University, Ji＇nan 250101, China
相关基金：Foundation item： Project（50475020） supported by the National Natural Science Foundation of China
相关项目：减振板拉深成形机理研究及其成形缺陷的预测与控制

关键词：分层振动, 阻尼振动, 金属薄板, 界面粘结模型, laminated vibration damping steel sheet, delamination, interface cohesive model, pure mode, mixed mode

中文摘要：

抑制钢表(LVDSS ) 的把压成薄片的颤动的材料结构详细被介绍。一个接口在皮肤表之间的连贯的模型被使用一条联系 / 连接途径开发，并且模型被使用模仿“ T ” LVDSS 的皮和余面, 盖片, 边砍进程。在“ T ”期间，皮和余面, 盖片, 边砍处理的接口接触压力分发被获得，并且有限元素分析(FEA ) 结果与相应试验性的结果令人满意地同意。作为结果，模型是合适的模仿 LVDSS 连贯

英文摘要：

The material structure of laminated vibration damping steel sheet（LVDSS） was introduced in detail. An interface cohesive model between the skin sheets was developed by using a contact/interface approach, and the model was applied to simulate ＂T＂-peel and lap-shear processes of LVDSS. The interface contact stress distribution during the ＂T＂-peel and lap-shear processes is obtained, and the finite element analysis（FEA） results agree satisfactorily with the corresponding experimental results. As a result, the model is suitable to simulate the cohesive of LVDSS

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