Journal ArticleDOI
Partitioned analysis of coupled mechanical systems
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TLDR
This is a tutorial article that reviews the use of partitioned analysis procedures for the analysis of coupled dynamical systems using the partitioned solution approach for multilevel decomposition aimed at massively parallel computation.About:
This article is published in Computer Methods in Applied Mechanics and Engineering.The article was published on 2001-03-02. It has received 806 citations till now. The article focuses on the topics: Dynamical systems theory & State variable.read more
Citations
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Computational modelling of impact damage in brittle materials
G. T. Camacho,Michael Ortiz +1 more
TL;DR: In this paper, a Lagrangian finite element method of fracture and fragmentation in brittle materials is developed, where a cohesive-law fracture model is used to propagate multiple cracks along arbitrary paths.
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The extended/generalized finite element method: An overview of the method and its applications
TL;DR: An overview of the extended/generalized finite element method (GEFM/XFEM) with emphasis on methodological issues is presented in this article, which enables accurate approximation of solutions that involve jumps, kinks, singularities, and other locally non-smooth features within elements.
Journal ArticleDOI
Reengineering Aircraft Structural Life Prediction Using a Digital Twin
TL;DR: A conceptual model of how the Digital Twin can be used for predicting the life of aircraft structure and assuring its structural integrity is presented and the technical challenges to developing and deploying a Digital Twin are discussed.
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Modelling and simulation of high‐speed machining
T. D. Marusich,Michael Ortiz +1 more
TL;DR: In this paper, a Lagrangian finite element model of orthogonal high-speed machining is developed, which accounts for dynamic effects, heat conduction, mesh-on-mesh contact with friction, and full thermo-mechanical coupling.
Journal ArticleDOI
Two efficient staggered algorithms for the serial and parallel solution of three-dimensional nonlinear transient aeroelastic problems
Charbel Farhat,Michel Lesoinne +1 more
TL;DR: This paper proposes two alternative serial and parallel staggered algorithms for the solution of coupled transient aeroelastic problems, and demonstrates their superior accuracy and computational efficiency with the flutter analysis of the AGARD Wing 445.6.
References
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Journal ArticleDOI
Convergence of implicit-explicit algorithms in nonlinear transient analysis
TL;DR: Recently introduced implicit-explicit algorithms in transient analysis are not covered by the standard convergence theorems, so convergence is established herein for the methods introduced by Hughes et al.
Journal ArticleDOI
Partitioned solution procedure for control-structure interaction simulations
Kwang-Chun Park,W. Keith Belvin +1 more
TL;DR: In this paper, a partitioned computational procedure is presented for the simulation of control-structure interaction systems by employing three modular software packages: a second-order structural dynamics analyzer, a secondorder observer module, and a first-order stabilized active control force generator.
Journal ArticleDOI
Lateralization and Detection of a Tonal Signal in Noise
TL;DR: In this article, the ability to lateralize a tonal signal against a white noise background was investigated by presenting that signal at different intensities to the two ears, and the signal (500 cps, 250 msec) was gated on every trial during the single observation interval.
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Mathematical modeling for structural analysis and design
TL;DR: A brief review of some of the mathematical modeling and simulation techniques that appear to be useful in the structural design process, emphasizing the need for a carefully integrated approach to the treatment of sub-system problems.
Journal ArticleDOI
Superconducting axisymmetric finite elements based on a gauged potential variational principle—I. Formulation
TL;DR: In this article, a variational formulation of time-independent supercontivity for a Ginzburg-Landau superconductor was developed for the general three-dimensional case and specialized to one-dimensional cases.
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Two efficient staggered algorithms for the serial and parallel solution of three-dimensional nonlinear transient aeroelastic problems
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