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| A simple and effective correction for momentum interpolation |
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LIU Yu-long1,2, XU Ming-hai1, LIU De-xu3, GONG Jin-hai3, MO Qiong3
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(1.College of Pipeline and Civil Engineering in China University of Petroleum, Qingdao 266580, China;2.Shengli Power Plant in Shengli Oilfield, SINOPEC, Dongying 257087, China;3.Survey and Design Institute of Zhongyuan Petroleum Exploration Bureau, Puyang 457001, China)
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| Abstract: |
| A SIMPLE algorithm for collocated grid was proposed, which was used to solve incompressible flow problems. This algorithm is a simple modification for momentum interpolation. The derivation process of this algorithm is similar to that of the original SIMPLE algorithm. The effectiveness of this algorithm was verified with some benchmarked problems. In this correction, all velocities on the faces are calculated with algebraic method, and so the code possesses the advantages of simple programming and less memory footprint. This correction overcomes some mathematics shortcomings of the momentum interpolation, and can solve those problems that the computation results are dependent on the relaxation factor of velocity. |
| Key words: momentum interpolation SIMPLE algorithm incompressible flow finite volume method |
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