热载荷下准晶固体三维断裂力学分析的边界元法

Roman Kushnir , Heorhiy Sulym , Iaroslav Pasternak , Vitalii Kozelko
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引用次数: 0

摘要

本文提出了一种分析热弹性准晶体三维裂纹的边界元方法。该方法使用紧凑的符号,将声子和相子场组合成扩展的向量和张量,简化了平衡方程。导出了热传导和热弹性的边界积分方程,避免了体积离散化的需要。采用了特殊的方法来计算积分和确定裂纹前缘的应力强度因子。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Boundary element method for 3D fracture mechanics analysis in quasicrystal solids under thermal loading
This study presents a boundary element approach for analyzing 3D cracks in thermoelastic quasicrystals. The approach uses compact notations, combining phonon and phason fields into extended vectors and tensors, simplifying the equilibrium equations. Boundary integral equations are derived for heat conduction and thermoelasticity, avoiding the need for volume discretization. Special methods are employed to evaluate integrals and determine stress intensity factors at the crack front.
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CiteScore
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