Boundary element analysis of rotating functionally graded anisotropic fiber-reinforced magneto-thermoelastic composites

IF 1.5 Q2 ENGINEERING, MULTIDISCIPLINARY
M. Fahmy, MohammedA. Almehmadi
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引用次数: 8

Abstract

Abstract The primary goal of this article is to implement a dual reciprocity boundary element method (DRBEM) to analyze problems of rotating functionally graded anisotropic fiber-reinforced magneto-thermoelastic composites. To solve the governing equations in the half-space deformation model, an implicit–implicit scheme was utilized in conjunction with the DRBEM because of its advantages, such as dealing with more complex shapes of fiber-reinforced composites and not requiring the discretization of the internal domain. So, DRBEM has low RAM and CPU usage. As a result, it is adaptable and effective for dealing with complex fiber-reinforced composite problems. For various generalized magneto-thermoelasticity theories, transient temperature, displacements, and thermal stresses have been computed numerically. The numerical results are represented graphically to demonstrate the effects of functionally graded parameters and rotation on magnetic thermal stresses in the fiber direction. To validate the proposed method, the obtained results were compared to those obtained using the normal mode method, the finite difference method, and the finite element method. The outcomes of these three methods are extremely consistent.
旋转功能梯度各向异性纤维增强磁热弹性复合材料的边界元分析
摘要本文的主要目的是利用双互易边界元法(DRBEM)分析旋转功能梯度各向异性纤维增强磁热弹性复合材料的问题。为了求解半空间变形模型中的控制方程,将隐式-隐式格式与DRBEM结合使用,因为它具有处理更复杂形状的纤维增强复合材料,且不需要对内部区域进行离散化的优点。因此,DRBEM具有较低的RAM和CPU使用率。结果表明,该方法适用于处理复杂的纤维增强复合材料问题。对于各种广义磁热弹性理论,瞬态温度、位移和热应力已经进行了数值计算。数值结果用图形表示,以说明功能梯度参数和旋转对纤维方向磁热应力的影响。为了验证所提方法的有效性,将所得结果与正态模态法、有限差分法和有限元法的结果进行了比较。这三种方法的结果是非常一致的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Open Engineering
Open Engineering ENGINEERING, MULTIDISCIPLINARY-
CiteScore
3.90
自引率
0.00%
发文量
52
审稿时长
30 weeks
期刊介绍: Open Engineering publishes research results of wide interest in emerging interdisciplinary and traditional engineering fields, including: electrical and computer engineering, civil and environmental engineering, mechanical and aerospace engineering, material science and engineering. The journal is designed to facilitate the exchange of innovative and interdisciplinary ideas between researchers from different countries. Open Engineering is a peer-reviewed, English language journal. Researchers from non-English speaking regions are provided with free language correction by scientists who are native speakers. Additionally, each published article is widely promoted to researchers working in the same field.
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