Print Email Facebook Twitter Adaptive Finite Element Approximation of Fluid-Structure Interaction Based on an Eulerian Variational Formulation Part of: ECCOMAS CFD 2006: Proceedings of the European Conference on Computational Fluid Dynamics· list the conference papers Title Adaptive Finite Element Approximation of Fluid-Structure Interaction Based on an Eulerian Variational Formulation Author Dunne, T. Date 2006-09-06 Abstract We propose a general variational framework for the adaptive finite element approximation of fluid-structure interaction problems. The modeling is based on an Eulerian description of the (incompressible) fluid as well as the (elastic) structure dynamics. This is achieved by tracking the movement of the initial positions of all `material' points. In this approach the deformation appears as a primary variable in an Eulerian framework. Our approach uses a technique which is similar to the 'Level Set' method in so far that it also tracks initial data, in our case the set of 'Initial Positions', and from this determines to which `phase' a point belongs. To avoid the need for reinitialization of the initial position set, we employ the harmonic continuation of the structure velocity field into the fluid domain. Based on this monolithic model of the fluid-structure interaction we apply the 'dual weighted residual method' for goal-oriented a posteriori error estimation and mesh adaptation to fluid-structure interaction problems. Results from nonstationary examples are presented. Subject fluid-structure interactionEulerian frameinitial position set methodlevel set methoda posteriori error estimationDWR methodgoal-oriented mesh adaptation To reference this document use: http://resolver.tudelft.nl/uuid:f194bbe1-22b8-4a1e-aeb9-c091017dc6f2 Part of collection Conference proceedings Document type conference paper Rights (c) 2006 Dunne, T. Files PDF Dunne.pdf 684.09 KB Close viewer /islandora/object/uuid:f194bbe1-22b8-4a1e-aeb9-c091017dc6f2/datastream/OBJ/view