2D and 3D transient heat conduction analysis by BEM via particular integrals |
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| Affiliation: | 1. Department of Civil, Environmental, and Geo- Engineering, University of Minnesota, Minneapolis, MN 55455, USA;2. Faculty of Mechanical Engineering, University of Montenegro, George Washington St. bb, 81000 Podgorica, Montenegro;1. Department of Mechanical Engineering, Sari Branch, Islamic Azad University, Sari, Iran;2. Young Researchers and Elites Club, North Tehran Branch, Islamic Azad University, Tehran, Iran;3. Department of Mechanical Engineering, Babol Noshirvani University of Technology, Babol, Iran;1. Young Researchers and Elite Club, Najafabad Branch, Islamic Azad University, Isfahan, Iran;2. Department of Mechanical Engineering, Islamic Azad University, Khomeini-Shahr Branch, Isfahan, Iran;3. Department of Mechanical Engineering, Babol University of Technology, Babol, Iran |
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| Abstract: | Particular integral formulations are presented for 2D and 3D transient potential flow (heat conduction) analysis. The results of the analysis are compared with an alternative formulation developed using the volume integral conversion approach. Although the mathematical foundation of the two methods are different both formulations are shown to produce almost identical results.For the particular integral formulation, the steady-state heat conduction equation is used as the complementary solution and two global shape functions (GSFs) are considered to approximate the transient term of the heat conduction equation.The numerical results for three example problems are given and compared with their analytical solutions. |
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