基于可靠性约束的比例拓扑优化

Q4 Chemical Engineering

Applied and Computational Mechanics Pub Date : 2021-11-04 DOI:10.22055/JACM.2021.38440.3226

R. R. Amaral, Julian Alves Borges, H. Gomes

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引用次数: 2

摘要

拓扑优化是一种广泛应用于设计阶段的方法，在工程中获得了很大的发展空间。另一方面，在几乎任何设计中，材料特性、载荷和边界条件都存在不确定性。本文的主要目标在于将这两个主题耦合起来，以解释拓扑优化中的不确定性。比例拓扑优化方法为统一处理应力约束提供了可能。这使得拓扑结构可以同时保持结构可靠性和优化成本。针对具有应力和位移LSF的等静力和超静力梁实例，提出了可靠性约束下的比例拓扑优化方法。

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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Proportional Topology Optimization under Reliability-based Constraints

Topology optimization is a methodology widely used in the design phase that has gained space in engineering. On the other hand, uncertainty is present in material properties, loads, and boundary conditions in practically any design. The main goal for this paper lies in the coupling of the two subjects to account for uncertainties in the topology optimization. The Proportional Topology Optimization method renders the possibility of treating the stress constraints in a unified way. This allows topologies that at the same time preserve structural reliability and optimize costs. The Proportional Topology Optimization method under the reliability constraint is presented for isostatic and hyperstatic beam examples with stress and displacement LSF.

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来源期刊

Applied and Computational Mechanics Engineering-Computational Mechanics

CiteScore

0.80

自引率

0.00%

发文量

审稿时长

14 weeks

期刊介绍： The ACM journal covers a broad spectrum of topics in all fields of applied and computational mechanics with special emphasis on mathematical modelling and numerical simulations with experimental support, if relevant. Our audience is the international scientific community, academics as well as engineers interested in such disciplines. Original research papers falling into the following areas are considered for possible publication: solid mechanics, mechanics of materials, thermodynamics, biomechanics and mechanobiology, fluid-structure interaction, dynamics of multibody systems, mechatronics, vibrations and waves, reliability and durability of structures, structural damage and fracture mechanics, heterogenous media and multiscale problems, structural mechanics, experimental methods in mechanics. This list is neither exhaustive nor fixed.