Articles with "nonlinear structural" as a keyword



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On polynomial hyperreduction for nonlinear structural mechanics

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Published in 2019 at "International Journal for Numerical Methods in Engineering"

DOI: 10.1002/nme.6033

Abstract: This paper proposes an approach for hyperreduction of nonlinear structural mechanics equations. For hyperreduction, the nonlinear term is approximated by the third‐degree multivariate polynomials represented in terms of a monomial basis. The chosen basis leads… read more here.

Keywords: hyperreduction nonlinear; nonlinear structural; mechanics; basis ... See more keywords
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Development of a high-order compact finite-difference total Lagrangian method for nonlinear structural dynamic analysis

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Published in 2018 at "Applied Mathematical Modelling"

DOI: 10.1016/j.apm.2018.06.049

Abstract: Abstract A high-order compact finite-difference total Lagrangian method (CFDTLM) is developed and applied to nonlinear structural dynamic analysis. The two-dimensional simulation of thermo-elastodynamics is numerically performed in generalized curvilinear coordinates by taking into account the… read more here.

Keywords: methodology; order; order compact; method ... See more keywords
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An ellipsoidal Newton’s iteration method of nonlinear structural systems with uncertain-but-bounded parameters

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Published in 2021 at "Computer Methods in Applied Mechanics and Engineering"

DOI: 10.1016/j.cma.2020.113501

Abstract: Abstract This paper presents an ellipsoidal Newton’s iteration method for predicting the response of nonlinear structural systems with uncertain-but-bounded parameters. In the study, the uncertainty in parameters is expressed in terms of an ellipsoid set… read more here.

Keywords: newton iteration; iteration; iteration method; method ... See more keywords
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Nonlinear structural behavior of flat-patterning ETFE cushion structures: Experimental observations and numerical simulations

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Published in 2017 at "Thin-walled Structures"

DOI: 10.1016/j.tws.2016.12.027

Abstract: Abstract Ethylene tetrafluoroethylene (ETFE) cushion structures with the capacities of aesthetical appearance, excellent insulation and high strength-to-weight ratio have attracted considerable attention in recent years. Conventional ETFE cushion structures need fundamental form finding and cutting… read more here.

Keywords: patterning etfe; etfe cushion; structural behavior; nonlinear structural ... See more keywords
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Nonlinear Structural Hashing for Scalable Video Search

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Published in 2018 at "IEEE Transactions on Circuits and Systems for Video Technology"

DOI: 10.1109/tcsvt.2017.2669095

Abstract: In this paper, we propose a nonlinear structural hashing approach to learn compact binary codes for scalable video search. Unlike most existing video hashing methods which consider image frames within a video separately for binary… read more here.

Keywords: video; scalable video; structural hashing; video search ... See more keywords
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Impact of ground-motion duration on nonlinear structural performance: Part II: site- and building-specific analysis

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Published in 2023 at "Earthquake Spectra"

DOI: 10.1177/87552930231155506

Abstract: This study’s Part I proved that ground-motion duration could play an important role when assessing the nonlinear structural performance of case-study inelastic single degree-of-freedom systems. However, quantifying duration effects in many practical/more realistic engineering applications… read more here.

Keywords: ground; motion duration; ground motion; nonlinear structural ... See more keywords
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Two Ways of Solving System of Nonlinear Structural Equations

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Published in 2020 at "European Journal of Computational Mechanics"

DOI: 10.13052/ejcm2642-2085.2853

Abstract: By applying the inner product of vectors, two objective functions are found. These vectors are taken from the structural equilibrium path. Via minimizing these functions, with respect to the load incremental parameter and the angle… read more here.

Keywords: system nonlinear; structural equations; nonlinear structural; solving system ... See more keywords
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Geometrically Nonlinear Structural Modal Analysis Using Fictitious Masses

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Published in 2017 at "AIAA Journal"

DOI: 10.2514/1.j054787

Abstract: In this paper, a new method to obtain a geometrically nonlinear structural dynamics model based on the full linear finite element model of slender structures is presented. For this purpose, a finit... read more here.

Keywords: geometrically nonlinear; nonlinear structural; using fictitious; modal analysis ... See more keywords