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Contaminant Transport in Fissured Soils by Three-Dimensional Boundary Elements
Publisher: American Society of Civil Engineers
Abstract: A boundary element method for the solution of contaminant transport equations in three-dimensional (3D) fissured soils with non-equilibrium exchange is proposed. Fast transport is assumed to take place through a network ...
Multiple-Porosity Model for the Transport of Reactive Contaminants in Fissured Soils with Nonequilibrium Partitioning
Publisher: American Society of Civil Engineers
Abstract: A multiple-porosity model for the transport of reactive contaminants in fissured media with multiple-source, nonequilibrium partitioning is proposed, widening the scope of existing models. The proposed model extends the ...
Laplace Boundary Element Model for the Thermoelastic Consolidation of Multilayered Media
Publisher: American Society of Civil Engineers
Abstract: A boundary-element method for solving the fully coupled equations of thermoelastic consolidation is developed for multilayered media. Conditions of temperature, heat flux, pore pressure, hydraulic flux, displacement, and ...
Steady-State Diffusion–Advection by Exponential Finite Elements
Publisher: American Society of Civil Engineers
Abstract: Conventional finite-element solutions of the diffusion–advection equation exhibit numerical oscillations around the exact solution in the presence of strong advective transport. Stabilized methods modifying the standard ...
Numerical Simulation of Geosynthetic Clay Liner Desiccation under High Thermal Gradients and Low Overburden Stress
Publisher: American Society of Civil Engineers
Abstract: A multiphase, thermohydro-mechanical model of unsaturated soils is presented to assess the risk of desiccation of a geosynthetic clay liner (GCL) in a composite lining system (i.e., a high-density polyethylene geomembrane ...
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