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Multiphase flow in the advanced fluid dynamics model

Description: This paper describes the modeling used in the Advanced Fluid Dynamics Model (AFDM), a computer code to investigate new approaches to simulating severe accidents in fast reactors. The AFDM code has 12 topologies describing what material contacts are possible depending on the presence or absence of a given material in a computational cell, the dominant liquid, and the continuous phase. Single-phase, bubbly, churn-turbulent, cellular, and dispersed flow are permitted for the pool situations modele… more
Date: January 1, 1988
Creator: Bohl, W. R.; Wilhelm, D.; Berthier, J.; Parker, F. P.; Ichikawa, S.; Goutagny, L. et al.
Partner: UNT Libraries Government Documents Department
open access

Computational methods of the Advanced Fluid Dynamics Model

Description: To more accurately treat severe accidents in fast reactors, a program has been set up to investigate new computational models and approaches. The product of this effort is a computer code, the Advanced Fluid Dynamics Model (AFDM). This paper describes some of the basic features of the numerical algorithm used in AFDM. Aspects receiving particular emphasis are the fractional-step method of time integration, the semi-implicit pressure iteration, the virtual mass inertial terms, the use of three v… more
Date: January 1, 1987
Creator: Bohl, W. R.; Wilhelm, D.; Parker, F. R.; Berthier, J.; Maudlin, P. J.; Schmuck, P. et al.
Partner: UNT Libraries Government Documents Department
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