NDLI: Optimal Embedding in the Topology Design of Structures

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Optimal Embedding in the Topology Design of Structures

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Qian, Zhongyan Ananthasuresh, G. K.
Abstract	Extensive literature exists on the topology design of single-component structures while multi-component structural systems have received much less attention. In this paper, we present a technique for optimizing the topology of a structure that should be connected to one or more pre-designed components to maximize the stiffness of the overall assembly. We call it an embedding problem because pre-designed components are to be optimally positioned and oriented within a design region while the connecting structure’s topology is optimized simultaneously. Continuous design variables are used to vary the locations of the embedded objects smoothly along with the topology of the connecting structure in order to apply gradient-based optimization algorithms. A new material interpolation function on the basis of normal distribution function is used for this purpose. Optimality criteria method combined with the steepest descent method is used to minimize mean compliance to obtain the stiffest structure for a given volume of material. As a special case of this method, topology optimization of multi-component structural systems is also considered. Illustrative examples are presented.
Sponsorship	Design Engineering Division and Computers and Information in Engineering Division
Starting Page	1057
Ending Page	1066
Page Count	10
File Format	PDF
ISBN	0791836223
DOI	10.1115/DETC2002/DAC-34148
e-ISBN	0791836037
Volume Number	Volume 2: 28th Design Automation Conference
Conference Proceedings	ASME 2002 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
Language	English
Publisher Date	2002-09-29
Publisher Place	Montreal, Quebec, Canada
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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