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首页> 外文期刊>Journal of thermal stresses >Asymptotic behavior in Form II Mindlin's strain gradient theory for porous thermoelastic diffusion materials
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Asymptotic behavior in Form II Mindlin's strain gradient theory for porous thermoelastic diffusion materials

机译:多孔热弹性扩散材料形式思维梯度理论的渐近行为

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摘要

In this article, we derive a nonlinear strain gradient theory for porous thermoelastic diffusion materials taking into account micro-inertia effects as well. The elastic behavior is assumed to be consistent with the Mindlin Form II, whereas the thermal and mass diffusion behaviors are based on Fourier's and Fick's laws. The thermal and mass diffusion fields are influenced by the displacement, the porosity field and by some additional parameters that describe the strain gradient behavior. The equations of the linear theory are also obtained. Then, we use the semigroup approach to derive an existence and uniqueness result for the solutions to the noncentrosymmetric problem and to study their asymptotic behavior.
机译:在本文中,我们也导致了多孔热弹性扩散材料的非线性应变梯度理论也考虑了微惯性效应。假设弹性行为与Mindlin形式II一致,而热和质量扩散行为基于傅里叶和Fick的定律。热量和质量扩散场受到位移,孔隙率场和描述应变梯度行为的一些附加参数的影响。还获得了线性理论的等式。然后,我们使用半群方法来导出对非中心体问题的解决方案的存在和唯一性结果,并研究其渐近行为。

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