Results 91 to 100 of about 8,272 (192)

Causality and passivity in elastodynamics [PDF]

open access: yesProceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2015
What are the constraints placed on the constitutive tensors of elastodynamics by the requirements that the linear elastodynamic system under consideration be both causal (effects succeed causes) and passive (system does not produce energy)? The analogous question has been tackled in other areas but in the case of elastodynamics its treatment is ...
openaire   +2 more sources

Transient Response of a Fluid-Filled, Thick-Walled Spherical Shell Embedded in an Elastic Medium

open access: yesE3S Web of Conferences, 2016
The paper addresses the problem of transient elastodynamics analysis of a thick-walled, fluid-filled spherical shell embedded in an elastic medium with an analytical approach.
Bahari Ako   +3 more
doaj   +1 more source

Exact solutions of a nonconservative system in elastodynamics

open access: yesElectronic Journal of Differential Equations, 2015
In this article we find an explicit formula for solutions of a nonconservative system when the initial data lies in the level set of one of the Riemann invariants.
Kayyunnapara Thomas Joseph
doaj  

On anisotropic versions of three-dimensional pentamode metamaterials

open access: yesNew Journal of Physics, 2013
Pentamode materials are artificial solids with elastic properties that approximate those of isotropic liquids. The corresponding three-dimensional mechanical metamaterials or ‘meta-liquids’ have recently been fabricated.
Muamer Kadic   +3 more
doaj   +1 more source

A Riemann problem with small viscosity and dispersion

open access: yesElectronic Journal of Differential Equations, 2006
In this paper we prove existence of global solutions to a hyperbolic system in elastodynamics, with small viscosity and dispersion terms and derive estimates uniform in the viscosity-dispersion parameters.
Kayyunnapara Thomas Joseph
doaj  

Stress waves in a microperiodic layered elastic solid revisited

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2001
A one-dimensional pure stress initial boundary value problem of linear elastodynamics for a microperiodic layered semi-space in which a microstructural length is taken into account is revisited.
Józef Ignaczak   +1 more
doaj   +1 more source

关于槽轮机构的模型研究与仿真分析

open access: yesJixie chuandong, 2012
Based on the theory of the elastodynamics and the structure characteristic of Geneva,the finite element method is used to establish the kinetic equation of the mechanism.Therefore,by solving the equations,all kinds of dynamic parameters are determined ...
黄剑锋, 吴宏武
doaj  

Elastodynamics with the Cell Method

open access: yesThe International Conference on Computational & Experimental Engineering and Sciences, 2005
The Cell Method is a recently developed numerical method that is giving interesting results in several fields of physics and engineering. In this paper, first a brief description of the method for elasticity problems is given and successively the elastodynamics formulation is derived.
openaire   +3 more sources

A stabilized linear finite element method for anisotropic poroelastodynamics with application to cardiac perfusion. [PDF]

open access: yesComput Methods Appl Mech Eng, 2023
Thekkethil N   +5 more
europepmc   +1 more source

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