Numerical solution for 3D contaminaut transport

سال انتشار: 1388
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,699

فایل این مقاله در 10 صفحه با فرمت PDF قابل دریافت می باشد

استخراج به نرم افزارهای پژوهشی:

لینک ثابت به این مقاله:

شناسه ملی سند علمی:

ISOEE02_184

تاریخ نمایه سازی: 30 شهریور 1388

چکیده مقاله:

Numerical solutions are widely used as screening tools for estimating the potential of contaminant transport in groundwater. Finite element with Galerkin method is common for numerical solution of these problems. However advection, diffusion terms and their interactions in the differential equation of contaminant transport caused some oscillations in the results produced by this method. In this paper, advection- diffusion- first order reaction equation has been considered. Classical Galerkin finite element method has been used for discretization of the equation in spatial domain and finite difference method has been employed for discretization in time domain. There is some oscillation in the result of this method at the point where the solute doesn’t reach. So we have developed a numerical technique by using an artificial boundary conditioning for sorting out these oscillations. In fact we have made a smaller domain in each step by indentifying the domain of solute propagation. The result of the method has been compared with analytical solution of the equation and reasonable agreement has been achieved.

نویسندگان

S.A Sadrnejad

Professor, Civil Engineering Department, K.N.Toosi University of Technology, Tehran, Iran

S.A Ghoreishian Amiri

PhD student, Civil Engineering Department, K.N.Toosi University of Technology, Tehran, Iran

مراجع و منابع این مقاله:

لیست زیر مراجع و منابع استفاده شده در این مقاله را نمایش می دهد. این مراجع به صورت کاملا ماشینی و بر اساس هوش مصنوعی استخراج شده اند و لذا ممکن است دارای اشکالاتی باشند که به مرور زمان دقت استخراج این محتوا افزایش می یابد. مراجعی که مقالات مربوط به آنها در سیویلیکا نمایه شده و پیدا شده اند، به خود مقاله لینک شده اند :
  • I. J. Freijera, E. J. M. Veling, S. M. Hassanizadeh, ...
  • W. D. Stanbro, "Modeling the interaction of peroxynitrite in lowdensity ...
  • J. Islam, N. Singhal, _ One- dimensional reactive multic omponent ...
  • E. Cokca, _ computer program for the analysis of 1-D ...
  • J. Donea, A. Huerta, :Finite Element Methods for Flow Problems"; ...
  • D. Guyonnet, C. Neville, "Dimensionles analysis of two analytical solutions ...
  • نمایش کامل مراجع