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Response of an infinite beam on a bilinear elastic foundation: Bridging the gap between the Winkler and tensionless foundation models
Zhang Y(张吟)1,2; Liu XM(刘小明)1,2; Wei YJ(魏宇杰)1,2
2018-09-01
发表期刊EUROPEAN JOURNAL OF MECHANICS A-SOLIDS
卷号71页码:394-403
ISSN0997-7538
摘要

The response of an infinite beam on an elastic foundation depends on the property/modeling of the foundation. There is a qualitative difference between the responses of a beam when it is on the Winkler foundation and on the tensionless foundation. A bilinear elastic foundation model, which describes the different behaviors of the elastic foundation in the tensile and compressive zones with two different foundation moduli, is proposed and a straightforward computational method is also formulated. The Winkler and tensionless foundations are shown to be the two special cases of the bilinear elastic foundation model. With this bilinear elastic foundation model, a more general method of modeling an elastic foundation is provided, which can be of some help to the modeling of the support of the ballastless high-speed railway.

关键词Beam Winkler Foundation Tensionless Foundation Bilinear Foundation
DOI10.1016/j.euromechsol.2018.06.006
收录类别SCI ; EI
语种英语
WOS记录号WOS:000440116300031
关键词[WOS]Finite Beam ; Moving Load ; Unilateral Foundations ; Nonlinear-analysis ; Half-space ; Contact ; Plates ; System
WOS研究方向Mechanics
WOS类目Mechanics
项目资助者National Natural Science Foundation of China (NSFC)(11772335 ; Strategic Program Research Program (B) of the Chinese Academy of Sciences(XDB22020201) ; National Key Research and Development Program of China(2016YFB1200602-09 ; 11772334) ; 2016YFB1200602-10)
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力学所作者排名1
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文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77652
专题非线性力学国家重点实验室
通讯作者Zhang Y(张吟)
作者单位1.Chinese Acad Sci, State Key Lab Nonlinear Mech LNM, Inst Mech, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
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Zhang Y,Liu XM,Wei YJ. Response of an infinite beam on a bilinear elastic foundation: Bridging the gap between the Winkler and tensionless foundation models[J]. EUROPEAN JOURNAL OF MECHANICS A-SOLIDS,2018,71:394-403.
APA Zhang Y,Liu XM,&Wei YJ.(2018).Response of an infinite beam on a bilinear elastic foundation: Bridging the gap between the Winkler and tensionless foundation models.EUROPEAN JOURNAL OF MECHANICS A-SOLIDS,71,394-403.
MLA Zhang Y,et al."Response of an infinite beam on a bilinear elastic foundation: Bridging the gap between the Winkler and tensionless foundation models".EUROPEAN JOURNAL OF MECHANICS A-SOLIDS 71(2018):394-403.
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