Please use this identifier to cite or link to this item: http://hdl.handle.net/11452/24868
Title: Topology synthesis of multi-component structural assemblies in continuum domains
Authors: Saitou, Kazuhiro
Uludağ Üniversitesi/Mühendislik Fakültesi/Makine Mühendisliği Bölümü.
0000-0003-1790-6987
Yıldız, Ali Rıza
F-7426-2011
7102365439
Keywords: Optimization
Design
Systems
Shape
Engineering
Computational geometry
Design
Location
Optimal systems
Optimization
Synthesis (chemical)
Topology
Complex geometries
Design domains
Design specification
Ground structure
Loading condition
Manufacturability
Multi-objective genetic algorithm
Multicomponents
Pareto optimal solutions
Product geometry
Real-world
Structural assemblies
Structural geometry
Structural performance
Sub-optimal designs
Topology synthesis
Two-step process
Assembly
Issue Date: 2009
Publisher: American Society of Mechanical Engineers
Citation: Yıldız, A. R. ve Saitou, K. (2009). "Topology synthesis of multi-component structural assemblies in continuum domains". 2008 Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, 1235-1245.
Abstract: Most structural products have complex geometry to meet customer's demand of high functionality. Since manufacturing those products in one piece is either impossible or uneconomical, most structural products are assemblies of components with simpler geometries. The conventional way to design structural assemblies is to design overall geometry first, and then decompose the geometry to determine the part boundary and joint locations. This two-step process, however, can lead to sub-optimal designs since the product geometry, even if optimized as one piece, would not be optimal after decomposition. This paper presents a method for synthesizing structural assemblies directly from the design specifications, without going through the two-step process. Given an extended design domain with boundary and loading conditions, the method Simultaneously optimizes the topology and geometry of an entire structure and the location and configuration of joints, considering structural performance, manufacturability, and assembleability. As a relaxation of our previous work utilizing a beam-based ground structure [1], this paper presents a new formulation in a continuum design domain, which greatly enhances the ability to represent complex structural geometry observed in real-world products. A multi-objective genetic algorithm is used to obtain Pareto optimal solutions that exhibits trade-offs among stiffness, weight, manufacturability, and assembleability.
URI: http://hdl.handle.net/11452/24868
ISBN: 978-0-7918-4325-3
Appears in Collections:Scopus
Web of Science

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