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12. Physically Based Modeling
Sunday, Full Day, 8:30 am - 5:30 pm
Room 30 A-D
Level: Intermediate

A systematic, practical introduction to physically based modeling techniques, including differential equation basics, dynamics of particles and mass/spring systems, continuum methods for simulating deformable objects and fluids, rigid body dynamics, kinematic and dynamic constraints, and collision and contact.

Prerequisites
A good working familiarity with mainstream computer graphics modeling and animation. In addition to familiarity with matrix and vector manipulations, attendees should have had (though perhaps half forgotten) a basic calculus course.

Topics
Modeling the dynamics of particle systems and rigid bodies, basic numerical methods for differential equations including implicit methods, simulation of deformable surfaces and liquids, collision detection, modeling springs, energy functions, and hard constraints including collision and contact between objects.

Co-Organizers
David Baraff
Andrew Witkin
Pixar Animation Studios

Lecturers
David Baraff
John Anderson
Michael Kass
Andrew Witkin
Pixar Animation Studios

Schedule

8:30 Introduction
Baraff and Witkin
8:45 Differential Equation Basics
Particle Dynamics
Witkin
10:15 Break
10:30 Implicit Methods/Cloth
Kass
11:30 Rigid Body Dynamics
Baraff
12:15 Lunch
1:45 Constraints
Witkin
2:45 Collision and Contact
Baraff
3:15 Break
3:30 Fluid Dynamics
Anderson
4:30 Show and Tell/Dynamics in "Finding Nemo"
Anderson, Baraff, Kass, and Witkin



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