Application of meshless local integral equations for two-dimensional transient coupled hygrothermoelasticity analysis: Moisture and thermoelastic wave propagations under shock loading

作者: Seyed Mahmoud Hosseini , Mohammad Hossein Ghadiri Rad

DOI: 10.1080/01495739.2016.1224134

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摘要: ABSTRACTThis work develops the application of meshless local integral equations based on Petrov–Galerkin (MLPG) method for two-dimensional (2D) coupled hygrothermoelasticity analysis. A unit Heaviside step function is used as test in weak forms. The analyzed domain divided into some small subdomains with a circular shape. radial basis functions are approximation spatial variation field variables. For discretization time variations, Laplace transform technique used. moisture concentration diffuses through 2D finite speed similar to thermoelastic waves. propagation diffusion, temperature, and elastic waves obtained discussed at various instants. MLPG has high capability track thermal wave fronts every arbitrary instant domain. distribution profiles concentration, displacements along two o...

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