Matches in SemOpenAlex for { <https://semopenalex.org/work/W2783185149> ?p ?o ?g. }
Showing items 1 to 87 of
87
with 100 items per page.
- W2783185149 abstract "There exists a number of physical phenomena in which the continuum solution couples with additional equations which influence the shape of the domain or the position of an internal interface. Examples of such cases include multi-phase flows, where the interface between the phases is captured by the mesh, solid-fluid interaction, where the motion and deformation of a solid changes the shape of the fluid domain etc. In this work we shall present a general-purpose moving mesh Finite Volume (FV) methodology developed to simulate such cases. The main difficulty in tackling cases with variable geometry is maintaining of the mesh quality. Out of several possible approaches to the problem, we have chosen the deforming mesh method. Here, the computational mesh is adjusted to the shape of the boundary which is updated in every step of the transient simulation. It therefore remains to determine the motion of all points internal to the mesh based on the prescribed motion of its boundary. Several deforming mesh approaches have been presented in the past, mainly based on the spring analogy. However, this approach proved to lack robustness, particularly for arbitrarily unstructured meshes common in FV simulations. Having reviewed the requirements on the mesh motion solver in terms of mesh regularity we have settled on a vertex based FE-type solver which operates on arbitrary polyhedra. A new type of second-order polyhedral “ motion element” consistent with the FV mesh handling has been developed. In the FE mesh motion framework described above, we can choose several candidate equations to govern the mesh motion. The most obvious choices are the Laplace equation with constant and variable diffusivity and the small-strain formulation of the linear elastic model. The three choices have been investigated on a number of simple test cases and the variable diffusivity Laplace equation has been selected as optimal, together with the set of rules for specifying the diffusivity field. The methodology is validated on several test cases in 2- and 3-D in order to examine its limitations in terms of Co number and robustness. Finally, the automatic moving mesh FV algorithm is applied to a two-phase simulation of a free-rising air bubble in water. Here, the fluid equations are solved in both phases and coupled across the free surface. The free surface is represented as a mesh interface whose motion depends on the local pressure differences and surface tension." @default.
- W2783185149 created "2018-01-26" @default.
- W2783185149 creator A5028922305 @default.
- W2783185149 creator A5034895669 @default.
- W2783185149 date "2003-01-01" @default.
- W2783185149 modified "2023-09-24" @default.
- W2783185149 title "Automatic Mesh Motion in FVM" @default.
- W2783185149 hasPublicationYear "2003" @default.
- W2783185149 type Work @default.
- W2783185149 sameAs 2783185149 @default.
- W2783185149 citedByCount "0" @default.
- W2783185149 crossrefType "journal-article" @default.
- W2783185149 hasAuthorship W2783185149A5028922305 @default.
- W2783185149 hasAuthorship W2783185149A5034895669 @default.
- W2783185149 hasConcept C100695618 @default.
- W2783185149 hasConcept C104317684 @default.
- W2783185149 hasConcept C11413529 @default.
- W2783185149 hasConcept C126255220 @default.
- W2783185149 hasConcept C127413603 @default.
- W2783185149 hasConcept C132525143 @default.
- W2783185149 hasConcept C134306372 @default.
- W2783185149 hasConcept C135628077 @default.
- W2783185149 hasConcept C160403270 @default.
- W2783185149 hasConcept C181145010 @default.
- W2783185149 hasConcept C182310444 @default.
- W2783185149 hasConcept C185592680 @default.
- W2783185149 hasConcept C2524010 @default.
- W2783185149 hasConcept C2778770139 @default.
- W2783185149 hasConcept C31487907 @default.
- W2783185149 hasConcept C33923547 @default.
- W2783185149 hasConcept C41008148 @default.
- W2783185149 hasConcept C55493867 @default.
- W2783185149 hasConcept C62354387 @default.
- W2783185149 hasConcept C63479239 @default.
- W2783185149 hasConcept C66938386 @default.
- W2783185149 hasConcept C80444323 @default.
- W2783185149 hasConcept C80899671 @default.
- W2783185149 hasConceptScore W2783185149C100695618 @default.
- W2783185149 hasConceptScore W2783185149C104317684 @default.
- W2783185149 hasConceptScore W2783185149C11413529 @default.
- W2783185149 hasConceptScore W2783185149C126255220 @default.
- W2783185149 hasConceptScore W2783185149C127413603 @default.
- W2783185149 hasConceptScore W2783185149C132525143 @default.
- W2783185149 hasConceptScore W2783185149C134306372 @default.
- W2783185149 hasConceptScore W2783185149C135628077 @default.
- W2783185149 hasConceptScore W2783185149C160403270 @default.
- W2783185149 hasConceptScore W2783185149C181145010 @default.
- W2783185149 hasConceptScore W2783185149C182310444 @default.
- W2783185149 hasConceptScore W2783185149C185592680 @default.
- W2783185149 hasConceptScore W2783185149C2524010 @default.
- W2783185149 hasConceptScore W2783185149C2778770139 @default.
- W2783185149 hasConceptScore W2783185149C31487907 @default.
- W2783185149 hasConceptScore W2783185149C33923547 @default.
- W2783185149 hasConceptScore W2783185149C41008148 @default.
- W2783185149 hasConceptScore W2783185149C55493867 @default.
- W2783185149 hasConceptScore W2783185149C62354387 @default.
- W2783185149 hasConceptScore W2783185149C63479239 @default.
- W2783185149 hasConceptScore W2783185149C66938386 @default.
- W2783185149 hasConceptScore W2783185149C80444323 @default.
- W2783185149 hasConceptScore W2783185149C80899671 @default.
- W2783185149 hasLocation W27831851491 @default.
- W2783185149 hasOpenAccess W2783185149 @default.
- W2783185149 hasPrimaryLocation W27831851491 @default.
- W2783185149 hasRelatedWork W159318838 @default.
- W2783185149 hasRelatedWork W1970190600 @default.
- W2783185149 hasRelatedWork W2007165539 @default.
- W2783185149 hasRelatedWork W2098306992 @default.
- W2783185149 hasRelatedWork W2138998893 @default.
- W2783185149 hasRelatedWork W2156456410 @default.
- W2783185149 hasRelatedWork W2180906637 @default.
- W2783185149 hasRelatedWork W2270403870 @default.
- W2783185149 hasRelatedWork W2303775709 @default.
- W2783185149 hasRelatedWork W236790276 @default.
- W2783185149 hasRelatedWork W2529099924 @default.
- W2783185149 hasRelatedWork W2536475584 @default.
- W2783185149 hasRelatedWork W2560664218 @default.
- W2783185149 hasRelatedWork W2564485323 @default.
- W2783185149 hasRelatedWork W2884429041 @default.
- W2783185149 hasRelatedWork W2908554530 @default.
- W2783185149 hasRelatedWork W2922256870 @default.
- W2783185149 hasRelatedWork W3010257239 @default.
- W2783185149 hasRelatedWork W3033165600 @default.
- W2783185149 hasRelatedWork W2119617200 @default.
- W2783185149 isParatext "false" @default.
- W2783185149 isRetracted "false" @default.
- W2783185149 magId "2783185149" @default.
- W2783185149 workType "article" @default.