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Identification of Hydrodynamic Damping of Runner Blade Vibrations Using Numerical Simulations

Related publications (38)

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Numerical simulation of a sailing boat

Matteo Lombardi

In this work, various aspects concerning the numerical simulation of a sailing boat are investigated. The attention is focused on simulation of the free-surface, the fluid-structure interaction (FSI) between wind and sails, and the dynamics of the whole bo ...

EPFL2012

Dynamic fragmentation of a brittle plate under biaxial loading: strength or toughness controlled?

Jean-François Molinari, Sarah Levy, Raul Radovitzky

The fragmentation of a brittle plate subjected to dynamic biaxial loading is investigated via numerical simulations. The aim is to extend our understanding of the dynamic processes affecting fragment size distributions. A scalable computational framework b ...

Springer Netherlands2012

Exploring the Physics behind Dynamic Fragmentation through Parallel Simulations

Sarah Levy

The physical mechanisms underlying the dynamic fragmentation of heterogeneous brittle materials are explored through numerical simulations. The use of computational facilities, rather than experimental or fundamental sciences, ensures the accurate tracking ...

EPFL2010

Non-isothermal infiltration in plastic bentonite

Lyesse Laloui, Bertrand François

In deep geological repository involving a multi-barrier system, the engineered materials, generally made of bentonite, constitute an important mechanical, thermal and hydraulic barrier to prevent the interaction between wastes and biosphere. To better unde ...

Taylor & Francis Group2010

SPH High-Performance Computing simulations of rigid solids impacting the free-surface of water

François Avellan, Pierre Maruzewski

Numerical simulations of water entries based on a three-dimensional parallelized Smoothed Particle Hydrodynamics (SPH) model developed by Ecole Centrale Nantes are presented. The aim of the paper is to show how such SPH simulations of complex 3D problems i ...

2010

Part load flow in radial centrifugal pumps

Olivier Braun

Centrifugal pumps are required to sustain a stable operation of the system they support under all operating conditions. Minor modifications of the surfaces defining the pump's water passage can influence the tendency to unstable system operation significan ...

EPFL2009

Cardiovascular Mathematics

Alfio Quarteroni, Luca Formaggia

Cardiovascular diseases have a major impact in Western countries. Mathematical models and numerical simulations can help the understanding of physiological and pathological processes, complementing the information provided to medical doctors by medical ima ...

Springer2009

An effective fluid-structure interaction formulation for vascular dynamics by generalized Robin conditions

Fabio Nobile, Christian Vergara

In this work we focus on the modeling and numerical simulation of the fluid-structure interaction mechanism in vascular dynamics. We first propose a simple membrane model to describe the deformation of the arterial wall, which is derived from the Koiter sh ...

2008

Modelling and numerical simulation for yacht design

Alfio Quarteroni, Nicola Parolini

In the past few years, Computational Fluid Dynamics (CFD) has become an essential tool in the design and optimization of racing sailboats and in particular America's Cup yachts. The prevalent role of CFD in the design process is demonstrated by the number ...

Strategic Analysis Inc.2007

Two-phase modelling of hot tearing in aluminium alloys using a semi-coupled method

Vincent Mathier

Hot tearing is one of the most severe defects observed in castings, e.g. in billets or sheet ingots of aluminum alloys produced by DC casting. It is due to both tensile strains and a lack of interdendritic feeding in the mushy zone. In order to predict thi ...

EPFL2007