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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Uma anÃlise comparativa de mÃtodos aproximativos baseados em smoothed particle hydrodynamics para animaÃÃo de fluidos / A comparative analysis of approximation methods based on smoothed particle hydrodynamics for fluid animation

Charles Welton Ferreira Barbosa 01 March 2013 (has links)
Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico / AnimaÃÃes de fluidos, como a Ãgua ou fumaÃa, sÃo utilizadas para introduzir detalhes em jogos virtuais ou filmes. VÃrios mÃtodos existem para a simulaÃÃo de fluidos utilizando sistemas de partÃculas e, em especial, utilizando o mÃtodo Smoothed Particle Hydrodynamics, ou SPH. O mÃtodo SPH Ã uma boa escolha para a simulaÃÃo de fluidos por sua fÃcil descriÃÃo e implementaÃÃo. Este trabalho apresenta alguns mÃtodos baseados no SPH para a simulaÃÃo de fluidos gerais, e para a interaÃÃo entre fluidos e sÃlidos. Esses mÃtodos sÃo analisados e comparados relativos ao seu realismo, apresentando alguns pontos fracos de cada mÃtodo. Essa anÃlise pode ser utilizada para guiar a implementaÃÃo de melhores mÃtodos baseados no SPH, e para a animaÃÃo realista de fluidos. / Animations of fluids, such as water or smoke, are used to add details to virtual games or films. Various methods exist for simulating fluids using particle systems, including the Smoothed Particle Hydrodynamics (SPH) method. The SPH method is a good choice for simulating fluids for its easy description and implementation. This work describes some methods based on SPH for general fluid simulation, and for the interaction between fluids and solids. These methods are analysed and compared on their realism, and a few weak points of each method are presented. This analysis may be used for the creation of better methods based on SPH, and for the realistic animation of fluids

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