Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Soil–Water Retention Surface of Unsaturated Clay Incorporating Capillary Interface Area through Molecular Dynamics
It has been recognized the capillary interface area has a profound impact on the capillary pressure and water retention capacity of unsaturated clay. This paper deals with the soil–water retention characteristics of unsaturated clay through full-scale molecular dynamics (MD) modeling. We run a series of MD simulations of unsaturated clay under drying and wetting conditions. The capillary interfacial area is measured through a numerical algorithm based on a point cloud technique. Based on the numerical results, we propose a relationship among pore water pressure, water–air interfacial area, and mass water content. The contribution of adsorption to pore water pressure is also quantified at the microscale based on density distribution.
Soil–Water Retention Surface of Unsaturated Clay Incorporating Capillary Interface Area through Molecular Dynamics
It has been recognized the capillary interface area has a profound impact on the capillary pressure and water retention capacity of unsaturated clay. This paper deals with the soil–water retention characteristics of unsaturated clay through full-scale molecular dynamics (MD) modeling. We run a series of MD simulations of unsaturated clay under drying and wetting conditions. The capillary interfacial area is measured through a numerical algorithm based on a point cloud technique. Based on the numerical results, we propose a relationship among pore water pressure, water–air interfacial area, and mass water content. The contribution of adsorption to pore water pressure is also quantified at the microscale based on density distribution.
Soil–Water Retention Surface of Unsaturated Clay Incorporating Capillary Interface Area through Molecular Dynamics
Zhang, Zhe (Autor:in) / Song, Xiaoyu (Autor:in)
Geo-Congress 2022 ; 2022 ; Charlotte, North Carolina
Geo-Congress 2022 ; 325-333
17.03.2022
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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