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10.618 Lectures/texts in conference proceedings
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  • II International Conference on Particle-Based Methods: fundamentals and applications (PARTICLES 2011), Barcelona, 26-28 October, 2011
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  • II International Conference on Particle-Based Methods: fundamentals and applications (PARTICLES 2011), Barcelona, 26-28 October, 2011
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Simulation of solute transport in 3d porous media using random walk particle tracking method

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Cita com:
hdl:2117/189491

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Sun, Yuanyuan
Park, Chan-Hee
Wang, Wenqing
Kolditz, Olaf
Document typeConference report
Defense date2011
PublisherCIMNE
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
Random walk particle tracking (RWPT) method provides a computationally effective way to characterize solute transport process in porous media. In this work, an object-oriented scientific software platform OpenGeoSys (OGS) was adopted for the simulation and visualization of the complex behavior of particles. Finite element method is used for the calculation of the velocity field which is necessary for the determination of the displacement of the particles through space. The RWPT method has been used in the simulation of the hydraulic process, diffusion and dispersion as it is proved to be well suitedfor such studies. In this work, efforts were taken to search for the solutionto simulate the retardation and decay processe in order to investigate the effects that appear in the contaminant plume evolution. Expressions for the effective coefficients governing the solute transport are derived for retardation model, based on a two-rate sorption-desorption approach. The RWPT model was first verified by a benchmark test of solute transport in a one-dimensional homogeneous media to analysis the accuracy of the method with comparison to the analytical solution. The analysis was the next ended to applications witht hree-dimensional homogeneous aquifer. This method can be used as a tool to elicit and discern the detailed structure of evolving contaminant plumes.
URIhttp://hdl.handle.net/2117/189491
ISBN978-84-89925-67-0
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  • International Conference on Particle-Based Methods (PARTICLES) - II International Conference on Particle-Based Methods: fundamentals and applications (PARTICLES 2011), Barcelona, 26-28 October, 2011 [89]
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