[en] Joints, interfaces, and frictional contact between two substructures can be modelled as discrete nonlinearities that connect the substructures. Over the past decade, a number of phenomenologically different approaches to modelling and simulating the dynamics of a jointed structure have been proposed. This research focuses on assessing multiple modelling techniques to predict the nonlinear dynamic behaviour of a bolted lab joint, including frequency based sub-structuring methods, harmonic balance methods, discontinuous basis function methods, and high fidelity FEA approaches. The regimes in which each method is best suited are identified, and recommendations are made for how to select a modelling method and for advancing numerical modelling of discrete nonlinearities.
Disciplines :
Mechanical engineering
Author, co-author :
Salles, Loïc ; Université de Liège - ULiège > Aérospatiale et Mécanique (A&M) ; Mechanical Engineering, Imperial College London, London, United Kingdom
Swacek, C.; Institute of Applied and Experimental Mechanics, University of Stuttgart, Stuttgart, Germany
Lacayo, R.M.; Component Science and Mechanics, Sandia National Laboratories, Albuquerque, United States
Reuss, P.; Institute of Applied and Experimental Mechanics, University of Stuttgart, Stuttgart, Germany
Brake, M.R.W.; Component Science and Mechanics, Sandia National Laboratories, Albuquerque, United States
Schwingshackl, C.W.; Mechanical Engineering, Imperial College London, London, United Kingdom
Language :
English
Title :
Numerical round robin for prediction of dissipation in lap joints
Publication date :
2016
Event name :
IMAC 33
Event organizer :
the Society for Experimental Mechanics
Event place :
Orlando, Usa
Event date :
02-02-2015 => 05-02-2015
Audience :
International
Main work title :
Dynamic Behavior of Materials
Editor :
Kerschen, Gaëtan ; Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire de structures et systèmes spatiaux
Sandia National Laboratories is a multi-program laboratory managed and operated by Sandia Corporation, a wholly owned subsidiary of Lockheed Martin Corporations, for the U.S. Department of Energy’s National Nuclear Security Administration under Contract DE-AC04-94AL85000.
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