2000
DOI: 10.1016/s0045-7825(00)00173-0
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On the significance of the geometric conservation law for flow computations on moving meshes

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Cited by 177 publications
(148 citation statements)
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“…Depending on the temporal discretization scheme different versions of the geometric conservation law, i.e. different discrete geometric conservation laws (DGCL) and thus averaging schemes, have to be used [12] if (6) is discretized directly.…”
Section: Fluid Fieldmentioning
confidence: 99%
See 1 more Smart Citation
“…Depending on the temporal discretization scheme different versions of the geometric conservation law, i.e. different discrete geometric conservation laws (DGCL) and thus averaging schemes, have to be used [12] if (6) is discretized directly.…”
Section: Fluid Fieldmentioning
confidence: 99%
“…Derive new fluid velocity along wet surface Γ which is used as Dirichlet boundary condition according to equation (12).…”
Section: Partitioned Schemesmentioning
confidence: 99%
“…The flow is modelled as a one-dimensional, isentropic, inviscid flow. Usually, the governing equation for the flow are written in the arbitrary LagrangianEulerian (ALE) to cope with the moving and deforming mesh [4,6]. In this paper, however, we only consider the fluid on a non-moving mesh.…”
Section: Fluid-structure Interaction Model Problemmentioning
confidence: 99%
“…11 qui est très petite si on choisit bien les espaces de pression, ou si on utilise des schémas vérifiant une condition de conservation locale de la masse (discrete Geometric Conservation Law) après discrétisation [8]" La seconde erreur, concentrée sur la seconde ligne, est proportionnelle à l'erreur de troncature en temps du schéma de discrétisation utilisé, le coefficient de proportionnalité étant fonction de la régularité en temps du jacobien J de la déformation de grille. Autrement dit, toute variation brutale de J conduit localement à de grosses erreurs.…”
Section: Qi(i) "unclassified