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Published online 9 April 2007
Published in Vadose Zone J 6:255-259 (2007)
DOI: 10.2136/vzj2006.0156
© 2007 Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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PARSWMS: A Parallelized Model for Simulating Three-Dimensional Water Flow and Solute Transport in Variably Saturated Soils

H. Hardelauf, M. Javaux, M. Herbst, S. Gottschalk, R. Kasteel, J. Vanderborght* and H. Vereecken

Agrosphere, ICG-IV, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany

Figure 1
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FIG. 1. Cumulative outflow (upper subplot) and average surface pressure head (middle subplot) resulting from the atmospheric boundary conditions (bottom subplot).

 

Figure 2
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FIG. 2. Comparison of the SWMS_3D (upper row) and PARSWMS (bottom) simulations of solute transport in a heterogeneous monolith (vertical cross-section): scenario S2.

 

Figure 3
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FIG. 3. Time gain compared with the one processor run (in log2) as a function of the number of processors np (in log2) for (i) solute transport scenario S2 with 49 2264 nodes (open circles) and (ii) water flow with atmospheric upper boundary conditions (scenario S3, open diamonds). Dashed line represents Amdahl's law.

 





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