考虑微动磨损的各向异性单晶叶片多尺度动力学分析方法

IF 4.4 2区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY
Ao Liu , Houxin She , Yan Jiang , Chaoping Zang , Chaofeng Li
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引用次数: 0

摘要

本文旨在研究各向异性单晶叶片接触界面的磨损演化及其对非线性动力学的影响。提出了一种各向异性叶片的建模方法,并提出了一种检测接触、摩擦和磨损行为的数值模拟方法。在此基础上,建立了各向异性叶片微动磨损的多尺度动力学求解器。将该方法应用于带冠单晶叶片系统,有效地预测了叶片的磨损行为及其对非线性响应的影响。最后,阐明了单晶涡轮叶片中不同的各向异性晶体取向对磨损性能和非线性动力学的贡献。计算结果表明,考虑磨损的非线性响应主要受角β的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A multi-scale dynamics analysis method for the anisotropic single-crystal blade with fretting wear
This paper aims to investigate the wear evolution of contact interfaces and their impact on the nonlinear dynamics of anisotropic single-crystal blades. A modeling method for anisotropic blades is proposed, accompanied by a numerical simulation method that examines contact, friction, and wear behavior. Furthermore, a multi-scale dynamics solver is developed to analyze the behavior of anisotropic blades experiencing fretting wear. This method is applied to a shrouded single-crystal blade system, effectively predicting the wear behavior and its influence on the nonlinear response. Ultimately, the contributions of distinct anisotropic crystal orientations in single-crystal turbine blades to wear behavior and nonlinear dynamics are elucidated. It is determined that the nonlinear response, accounting for wear, is predominantly influenced by the angle β.
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来源期刊
Applied Mathematical Modelling
Applied Mathematical Modelling 数学-工程:综合
CiteScore
9.80
自引率
8.00%
发文量
508
审稿时长
43 days
期刊介绍: Applied Mathematical Modelling focuses on research related to the mathematical modelling of engineering and environmental processes, manufacturing, and industrial systems. A significant emerging area of research activity involves multiphysics processes, and contributions in this area are particularly encouraged. This influential publication covers a wide spectrum of subjects including heat transfer, fluid mechanics, CFD, and transport phenomena; solid mechanics and mechanics of metals; electromagnets and MHD; reliability modelling and system optimization; finite volume, finite element, and boundary element procedures; modelling of inventory, industrial, manufacturing and logistics systems for viable decision making; civil engineering systems and structures; mineral and energy resources; relevant software engineering issues associated with CAD and CAE; and materials and metallurgical engineering. Applied Mathematical Modelling is primarily interested in papers developing increased insights into real-world problems through novel mathematical modelling, novel applications or a combination of these. Papers employing existing numerical techniques must demonstrate sufficient novelty in the solution of practical problems. Papers on fuzzy logic in decision-making or purely financial mathematics are normally not considered. Research on fractional differential equations, bifurcation, and numerical methods needs to include practical examples. Population dynamics must solve realistic scenarios. Papers in the area of logistics and business modelling should demonstrate meaningful managerial insight. Submissions with no real-world application will not be considered.
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