NDLI: Thermal-composite design optimization for heat flux shielding, focusing, and reversal

Content Provider	Springer Nature Link
Author	Dede, Ercan M. mura, Tsuyoshi Lee, Jaewook
Copyright Year	2013
Abstract	The optimization of thermal-composite structural designs for heat flux shielding, focusing, and reversal is explained in this paper. Heat conduction in anisotropic solids is reviewed, and a detailed two-phase material microstructure description for non-symmetric inclusions embedded in a matrix medium is provided. Objective functions related to heat flux shielding and focusing are derived from a general energy formulation of thermal compliance by using information related to the magnitude of the thermal gradients. Additionally, a multi-term objective function for heat flux reversal is developed based on the directionality of the thermal gradients. A computational optimization technique is then employed to examine the validity of these three design objectives in the context of an established benchmark example. The results of these numerical experiments are shown to be in good agreement with experimental results from the literature. Additionally, the optimization method is shown to be capable of handling structures with arbitrary geometry. Logical extensions of the method include the development of novel structural layouts for thermal circuits, thermal cloaks, and negative differential thermal resistance materials.
Starting Page	59
Ending Page	68
Page Count	10
File Format	PDF
ISSN	1615147X
Journal	Structural and Multidisciplinary Optimization
Volume Number	49
Issue Number	1
e-ISSN	16151488
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-07-04
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Anisotropic Heat conduction Structural optimization Theoretical and Applied Mechanics Computational Mathematics and Numerical Analysis Engineering Design
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Computer Graphics and Computer-Aided Design Control and Systems Engineering Computer Science Applications Software

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