IMECH-IR  > 流固耦合系统力学重点实验室
Nonlinearity of interfaces and force transmission of bolted flange joints under impact loading
Guo YC(郭雅悰); Wei YP(魏延鹏); Yang Z(杨喆); Huang CG(黄晨光); Wu XQ(吴先前); Yin QY(殷秋运); Wei, YP (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.
Source PublicationINTERNATIONAL JOURNAL OF IMPACT ENGINEERING
2017-11-01
Volume109Pages:214-223
ISSN0734-743X
Abstract

Vibration of flange joints and force transmission characteristics of connection interfaces are important due to concerns over the structural strength and signal identification in engineering structures such as missiles and rockets. However, nonlinear factors such as clearance, damping and discontinuous interfaces make it difficult to predict the responses under specific excitations such as shock impacts. This paper proposed a typical configuration of a bolted flange joint and investigated the response of vibration and dissipation of the joint under a series of impact loadings. The amplitude of excitation was 120 MPa, and the duration of the loading ranged from 20 mu s to 200 mu s. The excitations of high amplitude and frequency lead to a vibrational response coupled to a shock response of the joints. The connecting interfaces contributed to the distortion of the shockwave and changed its frequency, which can be characterized by the factor a. Those interfaces were also sources of energy dissipation, and their effect decreased as the frequency of excitation decreased. This methodology is helpful for predicting the local behavior of joints in a complex engineering structure under extreme conditions. (C) 2017 Elsevier Ltd. All rights reserved.

KeywordBolted Flange Joint Vibration Shock Response Impact Load Interfaces Force Transmission
DOI10.1016/j.ijimpeng.2017.06.012
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000412034000017
WOS KeywordThreaded Steel Fasteners ; Finite-element-analysis ; Behavior ; Connections ; Tension ; Rates ; Model
WOS Research AreaEngineering ; Mechanics
WOS SubjectEngineering, Mechanical ; Mechanics
Funding OrganizationNational Natural Science Foundation of China(11502274 ; Basic Research Equipment Project of the Chinese Academy of Sciences(YZ200930) ; 11002150 ; 11332011 ; 11402277)
DepartmentLMFS冲击与耦合效应(LHO)
Classification一类
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/70068
Collection流固耦合系统力学重点实验室
Corresponding AuthorWei, YP (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Guo YC,Wei YP,Yang Z,et al. Nonlinearity of interfaces and force transmission of bolted flange joints under impact loading[J]. INTERNATIONAL JOURNAL OF IMPACT ENGINEERING,2017,109:214-223.
APA Guo YC.,Wei YP.,Yang Z.,Huang CG.,Wu XQ.,...&Wei, YP .(2017).Nonlinearity of interfaces and force transmission of bolted flange joints under impact loading.INTERNATIONAL JOURNAL OF IMPACT ENGINEERING,109,214-223.
MLA Guo YC,et al."Nonlinearity of interfaces and force transmission of bolted flange joints under impact loading".INTERNATIONAL JOURNAL OF IMPACT ENGINEERING 109(2017):214-223.
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