Numerical Simulation of Dam-Break Flows Using Radial Basis Functions: Application to Urban Flood Inundation — Oak Academic Publishing
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Numerical Simulation of Dam-Break Flows Using Radial Basis Functions: Application to Urban Flood Inundation
Laboratoire des Mathématiques, Statistiques, Informatique et Applications (LMSIA), Département des Mathématiques, Physique-Chimie et Informatique (MPCI), Faculté des Sciences et Techniques, Université des Comores, Moroni, Comoros
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Laboratoire des Mathématiques, Statistiques, Informatique et Applications (LMSIA), Département des Mathématiques, Physique-Chimie et Informatique (MPCI), Faculté des Sciences et Techniques, Université des Comores, Moroni, Comoros
1 Laboratoire des Mathématiques, Statistiques, Informatique et Applications (LMSIA), Département des Mathématiques, Physique-Chimie et Informatique (MPCI), Faculté des Sciences et Techniques, Université des Comores, Moroni, Comoros
2 Laboratoire des Mathématiques, Statistiques, Informatique et Applications (LMSIA), Département des Mathématiques, Physique-Chimie et Informatique (MPCI), Faculté des Sciences et Techniques, Université des Comores, Moroni, Comoros
Dam-break flows pose significant threats to urban areas due to their potential for causing rapid and extensive flooding. Traditional numerical methods for simulating these events struggle with complex urban landscapes. This paper presents an alternative approach using Radial Basis Functions to simulate dam-break flows and their impact on urban flood inundation. The proposed method adapts a new strategy based on Particle Swarm Optimization for variable shape parameter selection on meshfree formulation to enhance the numerical stability and convergence of the simulation. The method’s accuracy and efficiency are demonstrated through numerical experiments, including well-known partial and circular dam-break problems and an idealized city with a single building, highlighting its potential as a valuable tool for urban flood risk management.
KeywordsDam-Break FlowsNumerical SimulationShallow Water EquationsRadial Basis FunctionsUrban Flood Inundation
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