Topology Optimization of Thermal Heat Sinks

Jan Hendrik Klaas Haertel, Kurt Engelbrecht, Boyan Stefanov Lazarov, Ole Sigmund

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Abstract

In this paper, topology optimization is applied to optimize the cooling performance of thermal heat sinks. The coupled two-dimensional thermofluid model of a heat sink cooled with forced convection and a density-based topology optimization including density filtering and projection are implemented in COMSOL Multiphysics. The optimization objective is to minimize the heat sink’s temperature for a prescribed pressure drop and fixed heat generation. To conduct the optimization, COMSOL’s Optimization Module with GCMMA as the optimization method is used. The implementation of this topology optimization approach in COMSOL Multiphysics is described in this paper and results for optimized two-dimensional heat sinks are presented. Furthermore, parameter studies regarding the effect of the prescribed pressure drop of the system on Reynolds number and realized heat sink temperature are presented and discussed.
Original languageEnglish
Title of host publicationProceedings. COMSOL conference 2015
Number of pages6
Publication date2015
Publication statusPublished - 2015
EventCOMSOL Conference 2015 - Grenoble, Switzerland
Duration: 14 Oct 201516 Oct 2015

Conference

ConferenceCOMSOL Conference 2015
CountrySwitzerland
CityGrenoble
Period14/10/201516/10/2015

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