Numerical Simulation of Various Reynold's Number Fluid Flow Around a Cylinder Using DualSPHysics

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Abstract

This paper presents numerical simulations using an open boundary algorithm with modified dynamic boundary condition (mDBC) for weakly compressible smoothed particle hydrodynamics models from particle-based code Dualsphysics. The problems of piping erosion in earth dams are aimed at studying the algorithm. The case 2D model of fluid flow past around a fixed cylinder is simulated, where various values of Reynold's numbers (Re 20 to Re 100) and different viscosity terms are considered. A constant velocity with different values of viscosity for generating various Reynold's numbers is modeled. The interaction between solid particles of the cylinder and fluid particles is concerned, the cylinder is affected by the hydrodynamics force caused by the flow of fluid particles. The solid particles of the cylinder are the observation points to obtain force and pressure due to the hydrodynamics forces. As a result of the simulation which is to show the capability to model 2D fluid flow with various Reynold's numbers. Drag coefficient, lift coefficient, and Strouhal number are compared to the previous work from literature.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
EditorsWisnu Setiawan, Agus Dwi Anggono, Nurul Hidayati, Muhammad Kusban
PublisherAmerican Institute of Physics
Edition1
ISBN (Electronic)9780735448643
DOIs
Publication statusPublished - 23 Feb 2024
Event8th International Conference on Engineering, Technology, and Industrial Applications 2021, ICETIA 2021 - Surakarta, Indonesia
Duration: 15 Dec 202116 Dec 2021

Publication series

NameAIP Conference Proceedings
Number1
Volume2838
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference8th International Conference on Engineering, Technology, and Industrial Applications 2021, ICETIA 2021
Country/TerritoryIndonesia
CitySurakarta
Period15/12/2116/12/21

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