Author(s)

J.-M. Hervouet & J.M. Janin

Abstract

A new matrix storage is proposed for Computational Fluid Dynamics in Finite Elements. The main idea is to store assembled matrices in an Element By Element (EBE) way. This storage optimizes the memory required and speeds up the classical EBE matrix-vector product, but also enables to perform a frontal matrix-vector product. This new technique is applied in the framework of the TELEMAC system for solving different free surface flows equations. The method has been iso far mplemented with triangles in 2D and prisms in 3D. Applications to dam-break computations are presented. 1 Introduction The software system TELEMAC, based on Element By Element techniques [1], is dedicated to the Saint-Ven

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