Technical Bulletin (ILWMR), 112. Calculation of non - steady flow towards a drain in saturated - Unsaturated soil by finite elements / Zaradny, H.

Public ISBD Titre de série : Technical Bulletin (ILWMR), 112 Titre : Calculation of non - steady flow towards a drain in saturated - Unsaturated soil by finite elements Type de document : texte imprimé Auteurs : Zaradny, H. ; Feddes, A. R. Mention d'édition : ILWMR Editeur : ILWMR Année de publication : 1979 ISBN/ISSN/EAN : CI-10541 Note générale : The problem of two - dimensional non - steady flow of water towards a drain in saturated - unsaturated soil is solved by a Galerkin - type finite element approach. special emphasis is placed upon the type of foundary conditions to be used at the circumference of the drain, the hydraulic conductivity of the soil and the discretization scheme of the finite element network. Numerical solutions are compared with the thiem - Dupuit well formula and with hodograph solutions given by Van Deemter (1950) and childs (1959). Langues : Anglais (eng) Mots-clés : Sol  Calcul  Egout  Modèle mathématique Index. décimale : 551.48 Hydrologie : Résumé : The problem of two - dimensional non - steady flow of water towards a drain in saturated - unsaturated soil is solved by a Galerkin - type finite element approach. special emphasis is placed upon the type of foundary conditions to be used at the circumference of the drain, the hydraulic conductivity of the soil and the discretization scheme of the finite element network. Numerical solutions are compared with the thiem - Dupuit well formula and with hodograph solutions given by Van Deemter (1950) and childs (1959). Note de contenu : The problem of two - dimensional non - steady flow of water towards a drain in saturated - unsaturated soil is solved by a Galerkin - type finite element approach. special emphasis is placed upon the type of foundary conditions to be used at the circumference of the drain, the hydraulic conductivity of the soil and the discretization scheme of the finite element network. Numerical solutions are compared with the thiem - Dupuit well formula and with hodograph solutions given by Van Deemter (1950) and childs (1959). Technical Bulletin (ILWMR), 112. Calculation of non - steady flow towards a drain in saturated - Unsaturated soil by finite elements [texte imprimé] / Zaradny, H. ; Feddes, A. R.  . -  ILWMR . - ILWMR, 1979. ISSN : CI-10541 The problem of two - dimensional non - steady flow of water towards a drain in saturated - unsaturated soil is solved by a Galerkin - type finite element approach. special emphasis is placed upon the type of foundary conditions to be used at the circumference of the drain, the hydraulic conductivity of the soil and the discretization scheme of the finite element network. Numerical solutions are compared with the thiem - Dupuit well formula and with hodograph solutions given by Van Deemter (1950) and childs (1959). Langues : Anglais (eng) Mots-clés : Sol  Calcul  Egout  Modèle mathématique Index. décimale : 551.48 Hydrologie : Résumé : The problem of two - dimensional non - steady flow of water towards a drain in saturated - unsaturated soil is solved by a Galerkin - type finite element approach. special emphasis is placed upon the type of foundary conditions to be used at the circumference of the drain, the hydraulic conductivity of the soil and the discretization scheme of the finite element network. Numerical solutions are compared with the thiem - Dupuit well formula and with hodograph solutions given by Van Deemter (1950) and childs (1959). Note de contenu : The problem of two - dimensional non - steady flow of water towards a drain in saturated - unsaturated soil is solved by a Galerkin - type finite element approach. special emphasis is placed upon the type of foundary conditions to be used at the circumference of the drain, the hydraulic conductivity of the soil and the discretization scheme of the finite element network. Numerical solutions are compared with the thiem - Dupuit well formula and with hodograph solutions given by Van Deemter (1950) and childs (1959).

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