Heating and Melting Deformable Models ( From Goop to G lop )
نویسنده
چکیده
W~ develop phy~ically-ba~ed graphic~ model~ of nonrigid obJect& capable of heat conduction, thermoela&ticity, melting, and fluid. like behavior in the molten &tate. Theu de. formable model& feature nonrigid dynamic& governed by La. grangian equation& of motion and conductive heat tramfer governed by the heat equation for nonhomogeneou& non. i&otropic media. In it& &olid &tate, the di&eretized m~del i& an auembly of hezahedral finite element& in which thermoela&tic unit& interconnect particle& &ituated in a lattice. The &tiffneu of a thermoela&tic unit decrea&e& a& it& temperature increa&e&, and the unit /u&e& when it& temperature eZ,ceed& the melting point. The molten &tate of the model mvolve& a molecular dynamic& ~imulation in which "fluid" particle& that have broken free from the lattice interact ,through long. range attraction force& and &hort.range repul&lon force&. We pre&ent a phYlically-ba&ed animation of a thermoela&tic model in a &imulated phy&ical world populated by hot con&traint &urfacel.
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