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- Agnès Leroy, Damien Violeau, Martin Ferrand, Christophe Kassiotis
- J. Comput. Physics
- 2014

This work aims at improving the 2-D incompressible SPH model (ISPH) by adapting it to the unified semi-analytical wall boundary conditions proposed by Ferrand et al. [10]. The ISPH algorithm considered is as proposed by Lind et al. [25], based on the projection method with a divergence-free velocity field and using a stabilising procedure based on particle… (More)

The main focus of the present article is the development of a general solution framework for coupled and/or interaction multi-physics problems based upon re-using existing codes into software products. In particular, we discuss how to build this software tool for the case of fluid-structure interaction problem, from finite element code FEAP for structural… (More)

- Arno Mayrhofer, Martin Ferrand, Christophe Kassiotis, Damien Violeau, François-Xavier Morel
- Numerical Algorithms
- 2014

Solid wall boundary conditions have been an area of active research within the context of Smoothed Particle Hydrodynamics (SPH) for quite a while. Ferrand et al. (Int. J. Numer. Methods Fluids 71(4), 446–472, 2012) presented a novel approach using a renormalization factor in the SPH approximation. The computation of this factor depends on an integral along… (More)

In this work we discuss a way to compute the impact of free-surface flow on nonlinear structures. The approach chosen rely on a partitioned strategy that allows to solve strongly coupled fluid-structure interaction problem. It is then possible to re-use existing and validated strategy for each sub-problem. The structure is formulated in a Lagrangian way and… (More)

- Adnan Ibrahimbegovic, Rainer Niekamp, Christophe Kassiotis, Damijan Markovic, Hermann G. Matthies
- Advances in Engineering Software
- 2014

From its early days and focus upon the finite element method development (e.g. Zienkiewicz [1971], Bittnar [1998]), the computational mechanics has developed into a very broad area, much driven by various industrial applications (e.g. Oden et al. [2003]). Very diverse problems are presently of interest for research and expertise of computational mechanics… (More)

- Martin Ferrand, Antoine Joly, +4 authors Benedict D. Rogers
- Computer Physics Communications
- 2017

The high computational cost of SPH remains problematic in dealing with wave propagation, especially when the domains considered are large. In order to overcome this difficulty, we propose to couple 2-D SPH with a 1-D Finite Difference Boussinesq-type model. The latter deals with wave propagations for most of the spatial domain, whereas SPH computations… (More)

This work aims at improving an incompressible SPH model (ISPH) by adapting to it the unified semi-analytical wall boundary conditions proposed by Ferrand et al. [1]. The ISPH algorithm considered is the one proposed by Lind et al. [2]. The new description of the wall boundaries allows to impose accurately a von Neumann boundary condition on the pressure… (More)

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