Multiphase smoothed particle hydrodynamics approach for modeling soil-water interactions

被引：19

作者：

Krimi, Abdelkader ^{[1
,2
]}

Khelladi, Sofiane ^{[1
]}

Nogueira, Xesus ^{[3
]}

Deligant, Michael ^{[1
]}

Ata, Riadh ^{[4
,5
]}

Rezoug, Mehdi ^{[2
]}

机构：

[1] Arts & Metiers ParisTech, DynFluid Lab, 151 Blvd Hop, F-75013 Paris, France

[2] Ecole Speciale Travaux Publ, Inst Rech Constructibilite, 28 Ave President Wilson, F-94230 Cachan, France

[3] Univ A Coruna, Grp Numer Methods Engn, Campus Elvina, La Coruna 15071, Spain

[4] Lab Natl Hydraul & Environm, 6 Quai Wader, F-78400 Chatou, France

[5] ENPC EDF R&D CEREMA, St Venant Lab Hydraul, 6 Quai Wader, F-78400 Chatou, France

来源：

ADVANCES IN WATER RESOURCES | 2018年 / 121卷

关键词：

Soil-water interactions; Smoothed particle hydrodynamics method; Multiphase fluid flow; Failure criteria; Non-Newtonian fluid; FREE-SURFACE FLOWS; NUMERICAL-SIMULATION; IMPULSIVE WAVES; SPH SIMULATION; TSUNAMI;

D O I：

10.1016/j.advwatres.2018.08.004

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

In this work, a weakly compressible smoothed particle hydrodynamics (WCSPH) multiphase model is developed. The model is able to deal with soil-water interactions coupled in a strong and natural form. A Regularized Bingham Plastic constitutive law including a pressure-dependent Mohr-Coulomb yield criterion (RBPMC-alpha(mu)) is proposed to model fluids, soils and their interaction. Since the proposed rheology model is pressure-sensitive, we propose a multiphase diffusive term to reduce the spurious pressure resulting from the weakly compressible flow hypothesis. Several numerical benchmarks are investigated to assess the robustness and accuracy of the proposed multiphase SPH model.

引用

页码：189 / 205

页数：17

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