Rapid Thermal Analysis of Rigid Three-Dimensional Bodies with the Use of Modelica Physical Modelling Language

Corey Bolduc
Canadian Space Agency, Department of Space Technologies, Canada

Chahé Adourian
Canadian Space Agency, Department of Space Technologies, Canada

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp09430036

Ingår i: Proceedings of the 7th International Modelica Conference; Como; Italy; 20-22 September 2009

Linköping Electronic Conference Proceedings 43:58, s. 513-518

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Publicerad: 2009-12-29

ISBN: 978-91-7393-513-5

ISSN: 1650-3686 (tryckt), 1650-3740 (online)


Quick analysis of thermal systems without the use of CAD models may be very valuable for rapidprototyping. Such a need led to the heavy modification of the Heat Transfer package found in the Modelica standard library. The library in question revolves around a three-dimensional generic block composed of a variable number of interconnected elements with individually assignable thermal and physical properties. When applying the accompanying library functions; one may create moderately complex thermal structures with non-uniform thermal properties. Furthermore; other tools available also allow the user to attach chains of blocks of different resolutions; as well as insert one block into another to create composite models with the possibility of internal heat generation.


Thermal Analysis; Modelica; Finite Element Analysis; Matlab


[1] Earl A. Thornton. Thermal Structures for Aerospace Applications. AIAA; 1996: 98-99. doi: 10.2514/4.862540.

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