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Editing 3D Models Using Physical Simulation
 Dzurenko, Martin ; Kmoch, Petr (advisor) ; Yaghob, Jakub (referee)
Simulation of 3D models is an important part of computer graphics. Real-time rendering of material deformations is widely used in animations. Regarding the animations, the deformations of materials must be plausible for public audience, not necessarily physically accurate. Mass-spring systems method offers a solution that decomposes objects to hexahedral elements. The element mesh define a spring system governed by Newton dynamics. Parameters used to set up material characteristics on the springs are Poisson's ratio, Young's modulus of elasticity and density of the material. The mesh dynamics are solved using integration methods which apply ordinary differential equations. The thesis presents application of the solution in a simple windowed editor for users unfamiliar with the topic. Core algorithms and implementation are discussed in detail. The editor supports internal save files, exporting of deformed objects and multiple integration methods. Comparison of the used methods is presented in terms of speed, accuracy and stability.
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4 Dzurenko, Miroslav
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