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Study of gravitational settling of a flexible circular structure using immersed boundary method

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Abstract

We researched the settling due to gravity of a flexible circular-shaped particle in two dimensions immersed in Newtonian, viscous and incompressible fluid. Immersed boundary method (IBM) was implemented to solve fluid–structure interaction. We did parametric study for exploring the impact of different values of structure density (\(\rho _s\)), fluid viscosity (\(\mu \)) on varying flexible particle in terms of settling velocity and distortion in the shape. We observed the fact that terminal velocity of a flexible particle increases with increasing flexibility of the structure. We further concluded that as viscosity of the fluid decreases, the distortion observed in the particle is more significant and also observed that the distortion experienced by the heavier particle is more than that of a lighter particle.

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Correspondence to Sudeshna Ghosh.

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Communicated by Forrest Carpenter.

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Ghosh, S., Panghal, R. Study of gravitational settling of a flexible circular structure using immersed boundary method. Comp. Appl. Math. 41, 339 (2022). https://doi.org/10.1007/s40314-022-02052-5

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  • DOI: https://doi.org/10.1007/s40314-022-02052-5

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