نتایج جستجو برای: coupled thermoelasticity impact analysis

تعداد نتایج: 3570280  

Journal: :Materials 2023

A bimodular material is a kind of that presents two elastic moduli in tension and compression. In classical thermoelasticity, however, the rarely considered due to its complexity analysis. fact, almost all materials will present, more or less, characteristics, some cases, mechanical properties cannot be fully utilized simply by ignoring characteristics. this study, thermal stress problem curved...

1987
J. R. Barber

Thermoelastic deformations can have a significant effect on the contact between elastic bodies, particularly in cases where the thermal boundary conditions at the interface are influenced by the contact pressure. In the classical Hertzian problem, the size of the contact area depends on the magnitude and direction of heat flow between the bodies. Idealized thermal boundary conditions can lead t...

2003
R.V.N. Melnik A. J. Roberts

We present a general methodology for constructing approximate models describing shape memory alloys dynamics. We base our discussion on a general three-dimensional model and the Falk-Konopka representation for the free energy function. By considering a one-dimensional counterpart of that model, we show that with little computational efforts we can reproduce successfully phase transition phenome...

Journal: :Computer Methods and Programs in Biomedicine 2021

Accurate and efficient prediction of soft tissue temperatures is essential to computer-assisted treatment systems for thermal ablation. It can be used predict ablation volumes personalised planning image-guided intervention. Numerically, it requires full nonlinear modelling the coupled computational bioheat transfer biomechanics, solution procedures; however, existing studies considered analysi...

Journal: :Mathematics of Computation 2021

We prove first-order convergence of the semi-explicit Euler scheme combined with a finite element discretization in space for elliptic-parabolic problems which are weakly coupled. This setting includes poroelasticity, thermoelasticity, as well multiple-network models used medical applications. The approach decouples system such that each time step requires solution two small and well-structured...

Mechanical foundations and pavements design need a perfect prediction of the response of the material to reach a reliable and safe structure. This work deals with the thermoelastic response of microbeams rested on a two-parameter viscoelastic foundation due to a magnetic field in the context of the dual - phase lag thermoelasticity model. The solutions of the governing equations are attained us...

2015
R. J. Knops R. Quintanilla

Uniqueness and spatial stability are investigated for smooth solutions to boundary value problems in non-classical linearised and linear thermoelasticity subject to certain conditions on material coefficients. Uniqueness is derived for standard boundary conditions on bounded regions using a generalisation of Kirchhoff’s method. Spatial stability is discussed for the semi-infinite prismatic cyli...

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