2012
DOI: 10.1061/(asce)he.1943-5584.0000428
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Comparison of Numerical Techniques Used for Simulating Variable-Density Flow and Transport Experiments

Abstract: The writers investigated the relative performance of three different numerical techniques available in the SEAWAT/MT3DMS code by simulating two new variable-density-flow and transport experimental data sets. The experiments were designed to represent two distinctly different variable-density configurations that involve transport of a sinking groundwater plume and a rising groundwater plume. The numerical techniques used for simulating these experiments included the method of characteristics approach (MOC), tot… Show more

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Cited by 12 publications
(7 citation statements)
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References 28 publications
(45 reference statements)
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“…The wedge data shown in these figures were obtained by visually delineating the wedge location by comparing the color intensity with the reference wedges that are prepared using a salt solution colored with different dye concentration levels. In some of our previous studies we have also employed image analysis procedures to test and verify different types of interfaces (Goswami et al, ; Goswami et al, ). All the saltwater wedge experiments analyzed in this study formed extremely sharp interfaces, which can be seen in Figure data.…”
Section: Modeling Results For the Experimental Data Setmentioning
confidence: 99%
“…The wedge data shown in these figures were obtained by visually delineating the wedge location by comparing the color intensity with the reference wedges that are prepared using a salt solution colored with different dye concentration levels. In some of our previous studies we have also employed image analysis procedures to test and verify different types of interfaces (Goswami et al, ; Goswami et al, ). All the saltwater wedge experiments analyzed in this study formed extremely sharp interfaces, which can be seen in Figure data.…”
Section: Modeling Results For the Experimental Data Setmentioning
confidence: 99%
“…These transport processes have been investigated by several researchers via laboratory and/or numerical experiments e.g., [12,[14][15][16][17][18][19][20][21][22][23]. In many of these physical model studies, heavier fluids, containing salt, were placed on top of a column or tank filled with saturated porous media containing freshwater.…”
Section: Past Experimental and Numerical Studiesmentioning
confidence: 99%
“…Fingering was observed in most of these experiments either visually through photographs [12,14,15,17,18], or by some sort of digital processing [20,22]. Mulqueen et al [24] stated that the nonlinear dynamics of the unstable system made it impossible to predict where a finger would grow or how it might develop.…”
Section: Past Experimental and Numerical Studiesmentioning
confidence: 99%
“…The SEAWAT runs were solved using the total variation diminishing (TVD) scheme for advective flow with dispersivities set to zero, minimizing the width of the fresh/salt mixing zone. Compared to the finite‐difference solution scheme, TVD increases run times but reduces numerical dispersion (Goswami et al ).…”
Section: Details Of Anaqsim Swi and Seawat Comparisons Modelsmentioning
confidence: 99%