一维泥石流的静动力阻力特征研究及数值模拟

樊赟赟 王思敬 王恩志

樊赟赟, 王思敬, 王恩志. 2010: 一维泥石流的静动力阻力特征研究及数值模拟. 工程地质学报, 18(6): 857-861.
引用本文: 樊赟赟, 王思敬, 王恩志. 2010: 一维泥石流的静动力阻力特征研究及数值模拟. 工程地质学报, 18(6): 857-861.
FAN Yunyun, WANG Sijing, WANG Enzhi. 2010: CHARACTERISTICS OF STATIC AND DYNAMIC RESISTANCE OF ONE-DIMENSIONAL DEBRIS FLOW AND ITS NUMERICAL SIMULATION. JOURNAL OF ENGINEERING GEOLOGY, 18(6): 857-861.
Citation: FAN Yunyun, WANG Sijing, WANG Enzhi. 2010: CHARACTERISTICS OF STATIC AND DYNAMIC RESISTANCE OF ONE-DIMENSIONAL DEBRIS FLOW AND ITS NUMERICAL SIMULATION. JOURNAL OF ENGINEERING GEOLOGY, 18(6): 857-861.

一维泥石流的静动力阻力特征研究及数值模拟

基金项目: 

国家自然科学基金项目(40872152)十一五国家科技支撑计划重点项目(2006BAK30B02)、水沙科学与水利水电工程国家重点实验室自筹项目

详细信息
    作者简介:

    樊赟赟,主要从事水岩动力过程研究.Email:fyun1982@gmail.com

  • 中图分类号: P642.2; X141

CHARACTERISTICS OF STATIC AND DYNAMIC RESISTANCE OF ONE-DIMENSIONAL DEBRIS FLOW AND ITS NUMERICAL SIMULATION

  • 摘要: 泥石流是山区多发的一种地质灾害,它的发生和发展威胁着人们的生命和财产安全,影响着人们的正常生活,因而需要加强对其发生和发展过程的研究。结合泥石流的动力模型方程采用数值模拟方法再现泥石流发生和发展的过程,是研究和预测模拟泥石流灾害的有效手段。目前的动力模型方程大多只关注动力过程,却忽视了静动力过程的统一,这将导致在一些情况下产生错误的结果。本文研究了一维泥石流的静动力阻力特征,通过修正泥石流动力学方程的阻力项,得到了具有静动力统一特征的模型方程。并以Roe格式的近似Riemann解为基础,采用MUSCL线性重构方法建立了具有较高精度和分辨率的有限体积数值求解。具体算例的数值验证表明,方程阻力项的修正是合理的,所建立的数值求解也是稳定和有效的。
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出版历程
  • 收稿日期:  2009-11-20
  • 修回日期:  2010-03-24
  • 刊出日期:  2010-12-25

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