Towards development of a reliable fully-Lagrangian MPS-based FSI solver for simulation of 2D hydroelastic slamming

Khayyer, Abbas; Gotoh, Hitoshi; Falahaty, Hosein; Shimizu, Yuma; Nishijima, Yusuke

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자료유형: 학술저널

저자정보: Khayyer, Abbas (Department of Civil and Earth Resources Engineering, Kyoto University, Katsura Campus) Gotoh, Hitoshi (Department of Civil and Earth Resources Engineering, Kyoto University, Katsura Campus) Falahaty, Hosein (Department of Civil and Earth Resources Engineering, Kyoto University, Katsura Campus) Shimizu, Yuma (Department of Civil and Earth Resources Engineering, Kyoto University, Katsura Campus) Nishijima, Yusuke (Department of Civil and Earth Resources Engineering, Kyoto University, Katsura Campus)

저널정보: 테크노프레스 Ocean systems engineering Ocean systems engineering 제7권 제3호

발행연도: 2017.1

수록면: 299 - 318 (20page)

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The paper aims at illustrating several key issues and ongoing efforts for development of a reliable fully-Lagrangian particle-based solver for simulation of hydroelastic slamming. Fluid model is founded on the solution of Navier-Stokes along with continuity equations via an enhanced version of a projection-based particle method, namely, Moving Particle Semi-implicit (MPS) method. The fluid model is carefully coupled with a structure model on the basis of conservation of linear and angular momenta for an elastic solid. The developed coupled FSI (Fluid-Structure Interaction) solver is applied to simulations of high velocity impact of an elastic aluminum wedge and hydroelastic slammings of marine panels. Validations are made both qualitatively and quantitatively in terms of reproduced pressure as well as structure deformation. Several remaining challenges as well as important key issues are highlighted. At last, a recently developed multi-scale MPS method is incorporated in the developed FSI solver towards enhancement of its adaptivity.

#hydroelasticity #slamming #fluid structure interaction #moving particle semi-implicit

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