同位网格界面速度插值方法研究

李旺; 宇波; 王欣然; 孙树瑜

doi:10.3879/j.issn.1000-0887.2012.08.003

同位网格界面速度插值方法研究

doi: 10.3879/j.issn.1000-0887.2012.08.003

中国石油大学机械与储运工程学院,城市油气输配技术北京市重点实验室,北京 102249;

基金项目: 国家自然科学基金资助项目(51176204； 51134006)；国家重点基础研究和发展资助项目（2011CB610306）

详细信息

通讯作者:
李旺(1986—),男,黑龙江人,博士生(E-mail: lw286964103@yahoo.com.cn);宇波(联系人.Tel:+86-10-89733849; E-mail: yubobox@cup.edu.cn).

中图分类号: O302；O357.1
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出版历程
- 收稿日期: 2011-11-28
- 修回日期: 2012-03-31
- 刊出日期: 2012-08-15

Technique to Calculate Cell Face Velocity of a Non-Staggered Grid System

¹Beijing Key Laboratory of Urban Oil and Gas Distribution Technology, China University of Petroleum, Beijing 102249, P.R.China;²Computational Transport Phenomena Laboratory, Division of Physical Science and Engineering, King Abdullah University of Science and Technology, Thuwal 23955-6900, Kingdom of Saudi Arabia

Funds: 国家自然科学基金资助项目(51176204；51134006)；国家重点基础研究和发展资助项目（2011CB610306）

摘要

摘要: 讨论了同位网格下，离散的连续性方程、动量方程及标量方程中控制容积界面上速度的计算方法．分别采用动量插值技术和线性插值技术计算了动量方程和标量方程的离散系数中的界面速度，并将两种方法得到的计算结果进行了比较．指出当采用线性插值技术去计算离散方程系数中的界面速度时，离散系数中的质量残余必须等于0，这样才能保证数值解的准确性和计算的收敛速度．
- 同位网格 /
- 交错网格 /
- 动量插值
Abstract: The calculation of cell face velocity in the discretization of continuity equation, momentum equation and scalar equation of a non-staggered grid system were discussed. Both momentum interpolation and linear interpolation were adopted to evaluate the coefficients in the discretized momentum and scalar equation, and their performances were compared. When linear interpolation was used to calculate coefficients, the mass residual term in the coefficients must be dropped to maintain the solution accuracy and its convergence rate.
- collocated grid /
- staggered grid /
- momentum interpolation

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参考文献(18)

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