An Efficient Solution for Advection Equation in Multiphase Mixture Model

Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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CONFUCIAN02_002

تاریخ نمایه سازی: 21 شهریور 1395

Abstract:

The main objective of this paper is to provide an efficient numerical method for solving the advection equation used in mixture multiphase model, two-dimensional time splitting method. For advection dominated problems, such as the multiphase flow the effect of the numerical diffusion in the advection schemes will adversely affect the accuracy of the numerical results. To this end, first schemes with different orders were evaluated. Using higher order schemes introduced a reduction in numerical diffusion. However, such schemes led to unreal, out of range and non-monotonic results. Subsequently, the solutions offered for solving these problems by other researchers in the previous studies were examined. With due regard of the mixture model characteristics, the most effective of these solutions were then selected and subsequently presented for solving the advection equation in the mixture model

Authors

Farhang Behrangi

Ph.D. Candidate in Hydraulic Structures, School of Civil Engineering, College of Engineering, University of Tehran, Tehran, Iran

Mohammad Ali Banihashemi

Associate. Prof., School of Civil Engineering, College of Engineering, University of Tehran, Iran.

Masoud Montazeri Namin

Assistant. Prof., School of Civil Engineering, College of Engineering, University of Tehran, Iran.

Ali Khoshkholgh

Ocean Engineering and Technology Research Center, Iranian National Institute for Oceanography and Atmospheric Science (INIOAS), Tehran, Iran.

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