准脆性材料强度分析的计算涂抹损伤方法

J. Vala
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引用次数: 5

摘要

准脆性材料的强度计算分析对建筑结构和工业部件的耐久性至关重要,通常需要参考Eringen非局部弹性理论的涂抹损伤方法。不幸的是,它的特设本构关系无法避免近似解序列的潜在分歧,利用了一些扩展的有限元技术,以及相应边值问题的可疑或缺失的存在性结果。本文介绍了这类简单的静态部分线性化模型问题,展示了一些相关的补救措施及其局限性,并引用了许多可取的推广
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On a Computational Smeared Damage Approach to the Analysis of Strength of Quasi-Brittle Materials
Computational analysis of strength of quasi-brittle materials, crucial for the durability of building structures and industrial components, needs typically a smeared damage approach, referring to the Eringen theory of nonlocal elasticity. Unfortunately its ad hoc constitutive relations cannot avoid potential divergence of sequences of approximate solutions, exploiting some extended finite element techniques, as well as questionable or missing existence results for corresponding boundary value problems. Introducing a simple static partially linearized model problem of such type, this article demonstrates some relevant remedies and their limitations, with numerous references to desirable generalizations
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来源期刊
WSEAS Transactions on Applied and Theoretical Mechanics
WSEAS Transactions on Applied and Theoretical Mechanics Engineering-Computational Mechanics
CiteScore
1.30
自引率
0.00%
发文量
21
期刊介绍: WSEAS Transactions on Applied and Theoretical Mechanics publishes original research papers relating to computational and experimental mechanics. We aim to bring important work to a wide international audience and therefore only publish papers of exceptional scientific value that advance our understanding of these particular areas. The research presented must transcend the limits of case studies, while both experimental and theoretical studies are accepted. It is a multi-disciplinary journal and therefore its content mirrors the diverse interests and approaches of scholars involved with fluid-structure interaction, impact and multibody dynamics, nonlinear dynamics, structural dynamics and related areas. We also welcome scholarly contributions from officials with government agencies, international agencies, and non-governmental organizations.
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