Solution of periodic heat conduction by indirect boundary element method based on fictitious heat source
✍ Scribed by Delong, Qiu ;Guangting, Liu
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 397 KB
- Volume
- 12
- Category
- Article
- ISSN
- 1069-8299
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✦ Synopsis
The fundamental solution of the temperature field in an infinite three-dimensional body under the periodic unit thermal source is given in the present paper. According to the indirect boundary element method (IBEM) with fictitious heat sources, the problem of 3-D periodic heat conduction in a finite body is solved. By use of a quadratic inharmonic element, the problem of the comer region and the indetermination of the normal direction at boundary points can be solved in the numerical process. The validity of the present method is checked with two examples of which analytical solutions exist. It offers a useful method for the actual simulated calculation of the 3-D temperature field in engineering.