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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers. Part L, Journal of Materials: Design and Application >A new methodology for thermostructural topology optimization: Analytical definition and validation
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A new methodology for thermostructural topology optimization: Analytical definition and validation

机译：热固性拓扑优化的新方法：分析定义与验证

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摘要

In the last few years, the rapid diffusion of components produced through additive manufacturing processes has boosted the research on design methodologies based on topology optimization algorithms. Structural topology optimization is largely employed since it permits to minimize the component weight and maximize its stiffness and, accordingly, optimize its resistance under structural loads. On the other hand, thermal topology optimization has been less investigated, even if in many applications, such as turbine blades, engines, heat exchangers, thermal loads have a crucial impact. Currently, structural and thermal optimizations are mainly considered separately, despite the fact that they are both present and coupled in components in service condition. In the present paper, a novel methodology capable of defining the optimized structure under simultaneous thermomechanical constraints is proposed. The mathematical formulation behind the optimization algorithm is reported. The proposed methodology is finally validated on literature benchmarks and on a real component, confirming that it permits to define the topology, which presents the maximized thermal and mechanical performance.
机译：在过去几年中，通过添加剂制造过程生产的组件的快速扩散促进了基于拓扑优化算法的设计方法研究。结构拓扑优化在很大程度上采用，因为它允许最小化组件重量并最大化其刚度，因此，在结构载荷下优化其电阻。另一方面，热拓扑优化已经不太调查，即使在许多应用中，如涡轮叶片，发动机，热交换器，热负荷也具有至关重要的影响。目前，尽管它们都存在并在服务条件下的组件中存在并耦合，主要考虑结构和热优化。在本文中，提出了一种能够在同时热机械约束下定义优化结构的新方法。报道了优化算法背后的数学制定。该提出的方法最终验证了文学基准和真实组件，确认它允许定义拓扑，这提出了最大化的热和机械性能。

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