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Fluid Flow Simulations Based on an Equation-Solving Solution Gradient Strategy

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  • Ho-Shuenn Huang
  • Yao-Hsin Hwang

Abstract

A compact and accurate discretization for fluid flow simulations is introduced in this paper. Contrary to the common wisdom in a convectional scheme, the solution gradient required for a high-resolution scheme is provided by solving its corresponding difference equation rather than by interpolation from solution values at neighboring computational nodes. To achieve this goal, a supplementary equation and its associated control volume are proposed to retain a compact and accurate discretization. Scheme essentials are exposed by numerical analyses on simple one-dimensional modeled problems to reveal its formal accuracy. Several test problems are solved to illustrate the feasibility of present formulation. From the obtained numerical results, it is evident that the proposed scheme will be a useful tool to simulate fluid flow problems in arbitrary domains.

Suggested Citation

  • Ho-Shuenn Huang & Yao-Hsin Hwang, 2013. "Fluid Flow Simulations Based on an Equation-Solving Solution Gradient Strategy," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-19, June.
    • Handle: RePEc:hin:jnlmpe:409846
    DOI: 10.1155/2013/409846
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