ACM SIGGRAPH 2005 Papers 2005
DOI: 10.1145/1186822.1073281
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Animating gases with hybrid meshes

Abstract: This paper presents a method for animating gases on unstructured tetrahedral meshes to efficiently model the interaction of fluids with irregularly shaped obstacles. Because our discretization scheme parallels that of the standard staggered grid mesh, we are able to combine tetrahedral cells with regular hexahedral cells in a single mesh. This hybrid mesh offers both accuracy near obstacles and efficiency in open regions.

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Cited by 44 publications
(29 citation statements)
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“…Müller et al [10] used MLS to compute the spatial derivatives of a point-based surface to model physical deformations, and Feldman et al [7] used MLS to interpolate fluid velocities.…”
Section: Related Workmentioning
confidence: 99%
See 2 more Smart Citations
“…Müller et al [10] used MLS to compute the spatial derivatives of a point-based surface to model physical deformations, and Feldman et al [7] used MLS to interpolate fluid velocities.…”
Section: Related Workmentioning
confidence: 99%
“…We will then develop our divergence constrained vector interpolation in Section 3. The easiest introduction to MLS is possibly Nealen [11], and most of the notation that we use comes from Feldman et al [7] and Shen et al…”
Section: Moving Least Squaresmentioning
confidence: 99%
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“…The automation of the construction of optimal meshes continues to challenge the mesh generation community. Furthermore, the mesh itself may evolve during simulation [Feldman05]. Solids are also used in medical visualization and surgery planning to represent the desired parts (bone, cartilage, heart, brain, artery) of a human anatomy and to simulate the effect of a contemplated surgical intervention (graft of cartilage, cardiopulmonary connection [Llamas05], radiation).…”
Section: Applicationsmentioning
confidence: 99%
“…Porém, apesar de seu valor em termos de aceleração, esse tipo de método ainda está preso a uma representação das fronteiras baseada em blocos alinhados com os eixos. Uma abordagem diferente é a utilização de particionamentos em malhas simpliciais com informações topológicas explícitas [15,[22][23][24], mas o custo associado geralmente é alto demais para aplicações interativas. Finalmente, também existem abordagens completamente diferentes como a proposta por Batty [11]: em seu trabalho, o passo de projeção é reformulado como um problema de minimização de energia, resultando na eliminação completa de artefatos de alinhamento mesmo com discretizações regulares relativamente grosseiras.…”
Section: Trabalhos Relacionadosunclassified