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个人信息Personal Information
教授 博士生导师
招生学科专业：
力学 -- 【招收博士、硕士研究生】 -- 航空学院
航空宇航科学与技术 -- 【招收硕士研究生】 -- 航空学院
机械 -- 【招收博士、硕士研究生】 -- 航空学院
主要任职：航空学院教授
其他任职：《复合材料学报》编委
性别：男
毕业院校：清华大学
学历：清华大学
学位：工学博士学位
所在单位：航空学院
办公地点：航空学院大楼，814室
联系方式：13851556829（微信同此号）
电子邮箱：
Finite element modeling of crack growth in thin-wall structures by method of combining sub-partition and substructure
点击次数：
所属单位：航空学院
发表刊物：ENGINEERING FRACTURE MECHANICS
关键字：Crack propagation Finite element method Sub-partition Substructure Interaction integral
摘要：A combination of sub-partition and substructure methods in finite element is developed to simulate the crack propagation in plate and shell structures. This method allows modeling arbitrary shape crack independent of element mesh and only the elements overlapping crack need to be operated. An element cut apart by a crack is sub-partitioned into ordinary sub-elements while an element enveloping crack tip is sub-partitioned into several singular sub-elements. The whole sub-elements constitute a substructure and the additional nodal freedom degrees introduced by element sub-partition are condensed to nodes of original mesh. In this way global re-meshing is avoided when the crack grows or new crack nucleates. Good accuracy of the crack tip fields prediction and good adaptability of moving crack simulation by the proposed method are proven through designed examples.
ISSN号：0013-7944
是否译文：否
发表时间：2018-05-15
合写作者：Xing, Chen
通讯作者：周储伟