Volume 4B: Structures, Safety and Reliability 2014
DOI: 10.1115/omae2014-24587
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The Effect of the Computational Grid Size on the Prediction of a Flammable Cloud Dispersion

Abstract: The consequence analysis is used to define the extent and nature of effects caused by undesired events being of great help when quantifying the damage caused by such events. For the case of leaking of flammable and/or toxic materials, effects are analyzed for explosions, fires and toxicity. Specific models are used to analyze the spills or jets of gas or liquids, gas dispersions, explosions and fires. The central step in the analysis of consequences in such cases is to determine the concentration of the vapor … Show more

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“…The size of the cells probably represents the most important numerical parameter user-defined in CFD simulations. The grid sizes coupled with the numerical methods significantly influence the accuracy of the results and the computational simulation times: the thinner the cell size, the better the computational resolution and the greater the simulation time (Miralles et al, 2014). Therefore, it is necessary to provide a good balance between high grid resolution and reasonable computational costs.…”
Section: Mesh Resolutionmentioning
confidence: 99%
“…The size of the cells probably represents the most important numerical parameter user-defined in CFD simulations. The grid sizes coupled with the numerical methods significantly influence the accuracy of the results and the computational simulation times: the thinner the cell size, the better the computational resolution and the greater the simulation time (Miralles et al, 2014). Therefore, it is necessary to provide a good balance between high grid resolution and reasonable computational costs.…”
Section: Mesh Resolutionmentioning
confidence: 99%