TopoRestruct – Converting topology optimization results into a design geometry, which meets the requirements for manufacturability, functionality and mechanical stress in the product development process
TopoRestruct â 将拓扑优化结果转换为设计几何形状,满足产品开发过程中对可制造性、功能性和机械应力的要求
基本信息
- 批准号:411012054
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2018
- 资助国家:德国
- 起止时间:2017-12-31 至 2022-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Modern methods for topology optimization that are based on the finite element analysis allow a robust and simple calculation of lightweight designs that are suitable for the given mechanical requirements for almost any load case. Despite the possibility of considering production constraints during optimization, the result - represented as a triangulated surface mesh - is merely an abstract design proposal. As a design proposal, this cannot be used directly in the product development process or is usually not feasible in this way. The further design of the product in a parametric associative or feature-based 3D CAD system therefore requires an interpretation and reconstruction of the topology optimization result. When considering the state of the art in research and technology, only methods for the extraction of constructive geometry from topology optimization results are available, which allow either a non-parametric surface based redesign or a parametric redesign which is limited to special cases and does not allow a generalized interpretation. Accordingly, the main objective of this research project is to provide a method for the automated, feature-based CAD redesign of topology optimization results during the development process, which meets the requirements for manufacturability, functionality and mechanical stress.To this end, three essential tasks are carried out in this research project. The development of a method for the complete analysis and decomposition of the topology optimized result mesh in an analytical form (I). This makes it possible to describe the topology of the optimization result mathematically with the aim of geometric design analysis and synthesis. In order to allow an interpretation and restructuring of the decomposition for common manufacturing processes in a functional and stress-related manner, a knowledge base and building blocks with corresponding design and interpretation rules will be developed (II). The final step is the integration of the decomposition methods and the knowledge base together with the building blocks (I and II) into a prototypical application. The application demonstrates the automated redesign of topology optimization results into feature-based CAD geometry and makes the method generally usable (III).At the end of the project, a proven and automated method is available to the product developer that enables the automated conversion of topology optimization results into an engineering design model, which meets the requirements for manufacturability, functionality and mechanical stress.
基于有限元分析的现代拓扑优化方法允许对轻量化设计进行稳健而简单的计算,适用于几乎任何载荷情况下的给定机械要求。尽管在优化过程中考虑生产约束的可能性,结果-表示为三角形表面网格-只是一个抽象的设计方案。作为设计方案,这不能直接用于产品开发过程,或者通常不可行。因此,在参数关联或基于特征的3D CAD系统中进一步设计产品需要对拓扑优化结果进行解释和重构。当考虑研究和技术的最新发展时,只有用于从拓扑优化结果中提取构造性几何形状的方法是可用的,其允许基于非参数表面的重新设计或参数重新设计,其限于特殊情况并且不允许广义解释。因此,本研究项目的主要目标是提供一种方法,自动化,基于特征的CAD重新设计的拓扑优化结果在开发过程中,满足可制造性,功能性和机械应力的要求。为此,在本研究项目中进行了三个基本任务。提出了一种对拓扑优化结果网格进行完全解析和分解的方法(Ⅰ)。这使得能够以数学方式描述优化结果的拓扑结构,目的是几何设计分析和合成。为了允许在功能和应力相关的方式,一个知识库和积木与相应的设计和解释规则的分解常见的制造过程的解释和重组将被开发(II)。最后一步是将分解方法和知识库以及构建块(I和II)集成到原型应用程序中。该应用程序演示了拓扑优化结果自动重新设计为基于特征的CAD几何形状,并使该方法普遍可用(III)。在项目结束时,一个经过验证的自动化方法可用于产品开发人员,使拓扑优化结果自动转换为工程设计模型,满足可制造性,功能和机械应力的要求。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Professor Dr.-Ing. Sandro Wartzack其他文献
Professor Dr.-Ing. Sandro Wartzack的其他文献
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{{ truncateString('Professor Dr.-Ing. Sandro Wartzack', 18)}}的其他基金
Form synthesis at early embodiment design stage: A computer-aided method to model preliminary embodiment designs
早期实施例设计阶段的形式合成:对初步实施例设计进行建模的计算机辅助方法
- 批准号:
401324164 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Research Grants
CAD features to model physical aspects of human-machine interactions
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396858371 - 财政年份:2018
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- 批准号:
278389853 - 财政年份:2015
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-- - 项目类别:
Research Grants
[ProPro 2.0] - Product-oriented process management - Computer-aided modeling as well as graph-based analysis and visualization of the matrix-based product description
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- 批准号:
211191171 - 财政年份:2012
- 资助金额:
-- - 项目类别:
Research Grants
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165053436 - 财政年份:2009
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398054801 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
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- 批准号:
362421942 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
Development of a methodology for plausibility checks for linear structural mechanic finite element simulations using Deep Learning
使用深度学习开发线性结构力学有限元模拟的合理性检查方法
- 批准号:
456585803 - 财政年份:
- 资助金额:
-- - 项目类别:
Research Grants
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