泥石流的结构两相流模型的理论表达

泥石流的结构两相流模型的理论表达

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Initial contribute: 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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泥石流的结构两相流模型的理论表达

       1)质量守恒方程:

                  

   式中,k=1,2分别代表固相和液相;k相密度;k相的体积分数,u为速度。

      2)动量守恒方程:

               

式中,P为压力;T为应力张量;g为单位质量的外力;M为单位体积上相间相互作用力(或动量传递项)。

   3)能量守恒方程:

           

式中,e为内能;q为能量通量;Q为体能源项;E为碰撞源项;K相的应力张量,为单位张量。

    4)固、液各相的应力结构关系:

               

 式中,T右上角“1”和“2”分别表示与切变速率无关部分和与切变速率有关部分;k=pf分别表示颗粒相和液相。

 

参考文献:

     倪晋仁,王光谦:泥石流的结构两相流模型:I.理论。地理学报,1998,531

How to Cite

《资源环境数学模型手册》 (2018). 泥石流的结构两相流模型的理论表达, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/c794f975-4e24-44e0-a212-b6dbf971851e
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Last modifier : 
zhengzhong
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Initial contribute: 2018-12-04

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Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

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Last modifier : 
zhengzhong
Last modify time : 
2020-11-06
Modify times : 
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