STEFAN NUMBER-INSENSITIVE NUMERICAL SIMULATION OF THE ENTHALPY METHOD FOR STEFAN PROBLEMS USING THE SPACE-TIME CE/SE METHOD

Anahita Ayasoufi; Ramin K. Rahmani; Theo G. Keith

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STEFAN NUMBER-INSENSITIVE NUMERICAL SIMULATION OF THE ENTHALPY METHOD FOR STEFAN PROBLEMS USING THE SPACE-TIME CE/SE METHOD

机译：基于时空CE / SE方法的STEFAN问题焓方法的STEFAN数感性数值模拟

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摘要

An improvement is introduced to the conservation element and solution element (CEISE) phase-change scheme presented previously. The improvement addresses a well-known weak_ness in numerical simulations of the enthalpy method when the Stefan number (the ratio of sensible to latent heat) is small (less than 0.1). Behavior of the improved scheme, at the limit of small Stefan numbers, is studied and compared with that of the original scheme. It is shown that high dissipative errors, associated with small Stefan numbers, do not occur using the new scheme.

机译：对前面介绍的守恒元素和解决方案元素（CEISE）相变方案进行了改进。当Stefan数（显热与潜热之比）较小（小于0.1）时，该改进解决了焓法数值模拟中的一个众所周知的弱点。研究了改进方案在Stefan数较小的情况下的行为，并将其与原始方案的行为进行了比较。结果表明，使用新方案不会发生与小Stefan数相关的高耗散误差。

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《Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology》 |2009年第4期|共16页
作者
Anahita Ayasoufi; Ramin K. Rahmani; Theo G. Keith;
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原文格式 PDF
正文语种 eng
中图分类 725B0059-B;
关键词
SPACE-TIME; element and solution; the new scheme;

机译：时空;元素和解决方案;新方案;

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1. One-dimensional non-Darcy flow in a semi-infinite porous media:a multiphase implicit Stefan problem with phases divided by hydraulic gradients [J] . G.Q.Zhou, Y.Zhou, X.Y.Shi 力学学报：英文版 . 2017,第005期
2. STEFAN NUMBER-INSENSITIVE NUMERICAL SIMULATION OF THE ENTHALPY METHOD FOR STEFAN PROBLEMS USING THE SPACE-TIME CE/SE METHOD [J] . Anahita Ayasoufi, Ramin K. Rahmani, Theo G. Keith Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology . 2009,第3a4期

机译：基于时空CE / SE方法的STEFAN问题焓方法的STEFAN数感性数值模拟
3. A numerical solution of the Stefan problem with a Neumann-type boundary condition by enthalpy method [J] . Esen A., Kutluay S. Applied mathematics and computation . 2004,第2期

机译：焓法求解具有Neumann型边界条件的Stefan问题的数值解
4. On the numerical approach of the enthalpy method for the Stefan problem [J] . Khaled Omrani Numerical Methods for Partial Differential Equations: An International Journal . 2004,第4期

机译：Stefan问题的焓方法的数值方法
5. STEFAN NUMBER-INSENSITIVE NUMERICAL SIMULATION OF THE ENTHALPY METHOD FOR STEFAN PROBLEMS USING THE SPACE-TIME CONSERVATION ELEMENT AND SOLUTION ELEMENT METHOD [C] . Anahita Ayasoufi, Theo G. Keith, Ramin K. Rahmani American Society of Mechanical Engineers(ASME) Heat Transfer/Fluids Engineering Summer Conference 2004(HT/FED 2004) vol.2 pt.A; 20040711-15; Charlotte,NC(US) . 2004

机译：时空守恒元和解元法对斯蒂芬问题的焓法的斯蒂芬数感数值模拟
6. A level set approach to the numerical simulation of the Stefan problem on non-graded adaptive Cartesian grids. [D] . Chen, Han. 2007

机译：在非渐变自适应笛卡尔网格上对Stefan问题进行数值模拟的水平集方法。
7. Efficient supersonic flow simulations using lattice Boltzmann methods based on numerical equilibria [O] . Jonas Latt, Christophe Coreixas, Joël Beny, -1

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8. NUMERICAL SIMULATION OF ONE-PHASE STEFAN PROBLEMS IN ARBITRARY PRECISION (Computation mechanics and domain decomposition methods) [O] . Tarmizi, Imai Hitoshi, Takeuchi Toshiki, 2000

机译：任意精度的单相斯蒂芬问题的数值模拟（计算力学和域分解方法）
9. The Alternating Phase Truncation Method for Numerical Solution of a Stefan Problem [R] . Rogers, J. C. W., Berger, A. E., Ciment, M. 1977

机译：stefan问题数值解的交替相位截断法

STEFAN NUMBER-INSENSITIVE NUMERICAL SIMULATION OF THE ENTHALPY METHOD FOR STEFAN PROBLEMS USING THE SPACE-TIME CE/SE METHOD

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