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22 673 (0,38s)

Result

p-Adaptive simulations of Richardsequation with discontinuous Galerkin method

This paper focus on numerical discretization of Richardsequation media. The numerical solution of Richardsequation can be troublesome and costly to assess the possible gains for the solution of Richards

Applied mathematics

  • 2022
  • O
  • Link
Result

Numerical Solution of the Richards Equation based Catchment Runoff Model with dd-Adaptivity Algorithm

on the Richards equation model [1] the governing equation for the subsurface flow flow (unsaturated and saturated). The governing equation is the Richards equation iteration level of our Rich...

Computer hardware and architecture

  • 2016
  • D
  • Link
Result

A Posteriori Error Estimate and Mesh Adaptation for the Numerical Solution of the Richards Equation

We solve the Richards equation, describing porous media flows, by the space-time discontinuous Galerkin method. We derive a posteriori error estimates using the spatial and temporal reconstructions and obtain an upper bound of the...

Applied mathematics

  • 2023
  • D
  • Link
Result

NUMERICAL SOLUTION OF THE RICHARDS EQUATION BASED CATCHMENT RUNOFF MODEL WITH DD-ADAPTIVITY ALGORITHM AND BOUSSINESQ EQUATION ESTIMATOR

on the Richards equation model - the governing equation for subsurface flow. The subsurface (unsaturated and saturated). The governing equation is the Richards equation with a slight-dimensional ...

Hydrology

  • 2017
  • JSC
  • Link
Result

DRUtES

Dual Richards Unsaturated Equation Solver is a solver for dual Richards' equations, based on Gerke's approach. It is written in F, a subset of the Fortran programing language. It currently handles only 1D problem. ...

DA - Hydrologie a limnologie

  • 2008
  • Gprot
Result

Schwarz Type Domain Decomposition and Subcycling Multi-time Step Approach for Solving Richards Equation

to anthropogenic activity. Water flow is governed by the quasilinear Richards equation a nonlinear Richards equation. When modelling porous media flow with a Richards equation......

Computer hardware and architecture

  • 2016
  • D
  • Link
Result

Error analysis for local discontinuous Galerkin semidiscretization of Richards' equation

This paper concerns an error analysis of the space semidiscrete scheme for the Richards' equation modeling flows in variably saturated porous media. This nonlinear parabolic partial differential equation can degenerate...

Applied mathematics

  • 2024
  • Jimp
  • Link
Result

Solving the nonstationary Richards equation with adaptive hp-FEM

This paper examines the potential of the adaptive hp-FEM method for the numerical solution of timedependent variably saturated Darcian flow problems described by the Richards equation. The method is illustrated on three model proble...

BA - Obecná matematika

  • 2011
  • Jx
  • Link
Result

Solving the nonlinear Richards equation model with adaptive domain decomposition

and composition, etc. Water flow is governed by the Richards equation, while the constitutive that computers can handle. Thus a numerical approximation of the Richards equation often requires the solution of syste...

BA - Obecná matematika

  • 2014
  • Jx
  • Link
Result

Instabilities of mixed finite elements for Richards' equation

Richards' equation is a widely used model of partially saturated flow in a porous medium. In order to obtain conservative velocity field several authors proposed to use mixed or mixed-hybrid schemes to solve the equation. I...

BK - Mechanika tekutin

  • 2010
  • D
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