Stanford CS348C Computer Graphics: Animation and Simulation

DATE	TOPIC	SUPPLEMENTAL MATERIALS
TuSep26	Introduction	Slides (PDF) Readings: David Baraff and Andrew Witkin, Physically Based Modeling, Online SIGGRAPH 2001 Course Notes, 2001. Differential Equation Basics Particle System Dynamics Cloth and Fur Energy Functions
ThSep28	Particle Systems	Material: Particle dynamics Energy-based modeling of forces Numerical integration References: David Baraff and Andrew Witkin, Physically Based Modeling, Online SIGGRAPH 2001 Course Notes, 2001. Differential Equation Basics Particle System Dynamics Cloth and Fur Energy Functions (preview of energy function usage) Videos: Particle Dreams by Karl Sims, 1988.
ThSep28 TuOct03 ThOct05	Robust Collision Processing	Material: Collision detection basics (broad/narrow phases) Velocity-level collision resolution Continuous collision detection 2D (point-edge, sphere-sphere), and 3D (point-face, edge-edge) tests Impulse resolution; restitution coefficient Supporting pin/trajectory constraints Inverse-mass-matrix filtering Penalty forces Rigid cloth zones References: Cloth related: Robert Bridson, Ronald P. Fedkiw, John Anderson, Robust Treatment of Collisions, Contact, and Friction for Cloth Animation, ACM Transactions on Graphics, 21(3), July 2002, pp. 594-603 A. Selle, J. Su, G. Irving, and R. Fedkiw, Robust High-Resolution Cloth Using Parallelism, History-Based Collisions and Accurate Friction, IEEE Transactions on Visualization and Graphics (TVCG), 15(2), 339-350. Robust Treatment of Simultaneous Collisions, David Harmon, Etienne Vouga, Rasmus Tamstorf, Eitan Grinspun, ACM Transactions on Graphics, 27(3), August 2008, pp. 23:1-23:4. (equality-constraint alternative to rigid cloth zones) X. Provot, Collision and self-collision handling in cloth model dedicated to design garment. Graphics Interface, 1997. (first introduction of rigid cloth zones) General collision detection: M. Lin and S. Gottschalk, Collision detection between geometric models: A survey, Proc. of IMA Conference on Mathematics of Surfaces, volume 1, pp. 602-608, 1998. P. Jimenez, F. Thomas, and C. Torras, 3D collision detection: A survey, Computers & Graphics, Elsevier, 25(2), pp. 269-285, 2001. Gino Van Den Bergen, Efficient collision detection of complex deformable models using AABB trees, Journal of Graphics Tools, 1998
	Assignment #1: Robust Collision Processing (a.k.a. "The Spaghetti Factory (Take 2)")	Starter Code available on Canvas.
TuOct10 TuOct17	Constrained Dynamics	Material: Holonomic constraints, C(p)=0. Example: Bead on a wire Differentiating constraints w.r.t. time. Constraint Jacobian, J Lagrange multipliers, lambda, and constraint forces, J^T lambda Solving for Lagrange multipliers (Implicit constraint (and half-explicit) DAE integration schemes) Post-step projection schemes Position- vs velocity-based corrections Applications: Mechanical linkages, inextensibility constraints, incompressible flow, contact constraints References: David Baraff and Andrew Witkin, Physically Based Modeling, Online SIGGRAPH 2001 Course Notes, 2001. Constrained Dynamics (slides) Examples from Cloth Simulation: Rony Goldenthal, David Harmon, Raanan Fattal, Michel Bercovier, Eitan Grinspun, Efficient Simulation of Inextensible Cloth, ACM Transactions on Graphics, 26(3), July 2007, pp. 49:1-49:7. [ACM Digital Library link] Jonathan M. Kaldor, Doug L. James, Steve Marschner, Simulating Knitted Cloth at the Yarn Level, ACM Transactions on Graphics, 27(3), August 2008, pp. 65:1-65:9. [Advanced] References for Differential-Algebraic Equations (DAEs): U.M. Ascher and L.R. Petzold, Computer Methods for Ordinary Differential Equations and Differential-Algebraic Equations, SIAM. E. Hairer and G. Wanner, Solving Ordinary Differential Equations II: Stiff and Differential-Algebraic Problems, 2nd edition, Springer, 1996. (See Chapter VII.(1-2) Differential-Algebraic Equations of Higher Index)
ThOct12	Taking Derivatives: From Tensor Calculus, to Symbolic and Automatic Differentiation	Material: Differentiating the following quantities with respect to particle position vectors, p_i: constant, c position, p_j vectors, (p_j-p_k) distances, \|\|p_j-p_k\|\| distance powers, \|\|p_j-p_k\|\|^n functions of distance, W(\|\|p_j-p_k\|\|) dot products, (p_1-p_0)^T (p_3-p_2) cross products Example: hair bending energy derivative, E = ksin^2(theta/2) [handout] [Mathematica] Other topics:* Numerical differentiation (less appealing in higher dimensions) Automatic and symbolic differentiation (Wiki) Mitsuba autodiff implementation links Symbolic derivatives with optimized codegen (Maple) Slides Timothy Langlois's writeup on Automatic Differentiation of Moving Least Squares [Code example] Other examples Reference: Barnes, Matrix Differentiation (and some other stuff). (a gentle introduction) The Matrix Cookbook by Petersen and Pedersen. (an exhaustive reference)
ThOct12 ThOct19 TuOct24	Rigid-Body Dynamics	References: David Baraff and Andrew Witkin, Physically Based Modeling, Online SIGGRAPH 2001 Course Notes, 2001. Rigid Body Simulation (slides) Two-body impulse calculation: See Baraff course notes. Excellent recent review: Jan Bender, Kenny Erleben and Jeff Trinkle, Interactive Simulation of Rigid Body Dynamics in Computer Graphics, Computer Graphics Forum, Volume 33, Issue 1, pages 246–270, February 2014, DOI: 10.1111/cgf.12272. Related topics: Rigid damping Rigid cloth zones
	Assignment #2: Constrained Dynamics	Starter Code: Use your code from Assignment #1. Relevant 2016 written assignment on inextensibility constraints (handout, solution)
TuOct24	Final Project Proposal	Final project page Proposal Due Thurs Nov 2 (in class)
ThOct26 TuOct31 ThNov02 TuNov07	Fluid Animation	Topics: Navier-Stokes equations; Euler equations for inviscid fluids Advection; semi-Lagrangian methods Splitting schemes Incompressibility constraint & divergence-free flow Helmholtz-Hodge decompositions; pressure projection PIC/FLIP methods [Zhu & Bridson 2005] APIC method [Jiang et al. 2015] Materials: Bridson, R. and Muller-Fischer, M. 2007. Fluid Simulation for Computer Animation: SIGGRAPH 2007 Course Notes, In ACM SIGGRAPH 2007 Courses. [Slides, Notes] (main reference for class) Robert Bridson, Fluid Simulation for Computer Graphics, A K Peters, 2008. Jos Stam, Stable Fluids, Proceedings of SIGGRAPH 99, Computer Graphics Proceedings, Annual Conference Series, August 1999, pp. 121-128. [Slides and notes] Ronald Fedkiw, Jos Stam, Henrik Wann Jensen, Visual Simulation of Smoke, Proceedings of ACM SIGGRAPH 2001, Computer Graphics Proceedings, Annual Conference Series, August 2001, pp. 15-22. (introduces vorticity confinement forces) C. Jiang, C. Schroeder, A. Selle, J. Teran, A. Stomakhin, An Affine Particle-In-Cell Method, ACM Transactions on Graphics (SIGGRAPH 2015), 34(4), pp. 51:1-51:10, 2015. [PDF] Y. Zhu and R. Bridson, Animating sand as a fluid, ACM SIGGRAPH 2005. [PDF] [MOV] (introduced PIC/FLIP to graphics)
	Assignment #3: APIC Fluid Simulation
ThNov09	Application of Rigid-Body Motion: Shape Matching Methods	Discussed: Projecting particle motion to be rigid motion Rigid-body shape matching Fast Lattice Shape Matching (FastLSM) Other methods (adaptive FastLSM; oriented particles) Material: Matthias Müller, Bruno Heidelberger, Matthias Teschner, Markus Gross, Meshless deformations based on shape matching, ACM Transactions on Graphics, 24(3), August 2005, pp. 471-478. [ACM] [PDF] [AVI] Alec R. Rivers, Doug L. James, FastLSM: Fast Lattice Shape Matching for Robust Real-Time Deformation, ACM Transactions on Graphics, 26(3), July 2007, pp. 82:1-82:6. [ACM] [PDF] Denis Steinemann, Miguel A. Otaduy, Markus Gross, Fast Adaptive Shape Matching Deformations, ACM SIGGRAPH/Eurographics Symposium on Computer Animation, Dublin, July 7-9, 2008. [PDF] [AVI] Matthias Müller and Nuttapong Chentanez. Solid simulation with oriented particles. ACM Trans. Graph. 30, 4, Article 92 (July 2011), 10 pages, 2011. [ACM] [PDF] [MOVIE]
TuNov14 ThNov16	Rigid-body Contact: Impulse- and Contraint-based Methods:	Material: General discussion of rigid-body contact principles (contact constraints & impulses, restitution, Coulomb friction, maximal dissipation principle, Signorini-Fichera condition, connection with constrained optimization & KKT conditions, etc.), and methods such as impulse-based [Guendelman et al. 2003] and constraint-based [Erleben et al. 2007; Kaufman et al. 2008] solvers. Impulse-based contact solvers: Brian Mirtich, John Canny, Impulse-based Simulation of Rigid Bodies, 1995 Symposium on Interactive 3D Graphics, April 1995, pp. 181-188. Eran Guendelman, Robert Bridson, Ronald P. Fedkiw, Nonconvex Rigid Bodies With Stacking, ACM Transactions on Graphics, 22(3), July 2003, pp. 871-878. [an iterative impulse-based solver] Projected Gauss-Seidel solver: K. Erleben, Stable, robust, and versatile multibody dynamics animation. Ph.D. thesis, Department of Computer Science, University of Copenhagen, Denmark, 2005. [avi movie] K. Erleben, Velocity-based shock propagation for multibody dynamics animation, ACM Trans. Graph. 26, 2, Jun. 2007. Projected Jacobi solver: Richard Tonge, Feodor Benevolenski, Andrey Voroshilov, Mass Splitting for Jitter-Free Parallel Rigid Body Simulation, ACM Trans. Graphics (SIGGRAPH 2012), 31(4), 2012. SIAM Review of rigid-body contact: D.E. Stewart, Rigid-body dynamics with friction and impact, SIAM Review, volume 42, 2000. Excellent recent review: Jan Bender, Kenny Erleben and Jeff Trinkle, Interactive Simulation of Rigid Body Dynamics in Computer Graphics, Computer Graphics Forum, Volume 33, Issue 1, pages 246–270, February 2014, DOI: 10.1111/cgf.12272. "Staggered Projections" method: Danny M. Kaufman, Shinjiro Sueda, Doug L. James, Dinesh K. Pai, Staggered Projections for Frictional Contact in Multibody Systems, ACM Transactions on Graphics, 27(5), December 2008, pp. 164:1-164:11. A good reference on convex optimization: Stephen Boyd and Lieven Vandenberghe, Convex Optimization, Cambridge University Press, 2004. Stanford lecture notes/book [PDF]
TuNov28	Particle-based Fluids	Material: Smoothed Particle Hydrodynamics (SPH) Matthias Müller, David Charypar, Markus Gross, Particle-based fluid simulation for interactive applications, 2003 ACM SIGGRAPH / Eurographics Symposium on Computer Animation (SCA 2003), August 2003, pp. 154-159. [Video] Miles Macklin and Matthias Müller. Position Based Fluids. ACM Trans. Graph. 32, 4, Article 104 (July 2013), 12 pages. (other videos) Liu, G. Gui-Rong, and M. B. Liu. Smoothed particle hydrodynamics: a meshfree particle method. World Scientific, 2003. Wikipedia Takahiro Harada, Seiichi Koshizuka, Yoichiro Kawaguchi, Smoothed Particle Hydrodynamics on GPUs, Computer Graphics International, pp. 63-70, 2007. B. Solenthaler, R. Pajarola, Predictive-Corrective Incompressible SPH, ACM Transactions on Graphics, 28(3), July 2009, pp. 40:1-40:6. [PDF] [YouTube Video] SIGGRAPH fluids course: [SPH pages (pp. 83-86)] Bridson, R., Fedkiw, R., and Muller-Fischer, M. 2006. Fluid simulation: SIGGRAPH 2006 course notes, In ACM SIGGRAPH 2006 Courses (Boston, Massachusetts, July 30 - August 03, 2006). SIGGRAPH '06. ACM Press, New York, NY, 1-87. [Slides, Notes] Robert Bridson, Fluid Simulation for Computer Graphics, A K Peters, 2008. [Book format] Coupling SPH and rigid-body simulations (advanced): N. Akinci, M. Ihmsen, G. Akinci, B. Solenthaler, M. Teschner, Versatile Rigid-Fluid Coupling for Incompressible SPH, ACM Trans. Graph. (SIGGRAPH Proc.), 2012. [PDF] [AVI] Isosurface extraction + rendering OpenVDB Ken Museth, A Flexible Image Processing Approach to the Surfacing of Particle-Based Fluid Animation , MEIS2013 Abstract (a good high-level summary of particle-based fluids surfacing)
ThNov30	Animation Sound	Material: K. van den Doel and D. K. Pai, The Sounds of Physical Shapes, Presence: Teleoperators and Virtual Environments, 7:4, The MIT Press, 1998. pp. 382--395. Kees van den Doel, Paul G. Kry, Dinesh K. Pai, FoleyAutomatic: Physically-Based Sound Effects for Interactive Simulation and Animation, Proceedings of ACM SIGGRAPH 2001, Computer Graphics Proceedings, Annual Conference Series, August 2001, pp. 537-544. [Video] Dinesh K. Pai, Kees van den Doel, Doug L. James, Jochen Lang, John E. Lloyd, Joshua L. Richmond, Som H. Yau, Scanning Physical Interaction Behavior of 3D Objects, Proceedings of ACM SIGGRAPH 2001, Computer Graphics Proceedings, Annual Conference Series, August 2001, pp. 87-96. [Video] James F. O'Brien, Perry R. Cook, Georg Essl, Synthesizing Sounds From Physically Based Motion, Proceedings of ACM SIGGRAPH 2001, Computer Graphics Proceedings, Annual Conference Series, August 2001, pp. 529-536. Perry R. Cook, Sound Production and Modeling, IEEE Computer Graphics & Applications, 22(4), July-August 2002, pp. 23-27. James F. O'Brien, Chen Shen, and Christine M. Gatchalian. Synthesizing sounds from rigid-body simulations. In The ACM SIGGRAPH 2002 Symposium on Computer Animation, pages 175–181. ACM Press, July 2002. Yoshinori Dobashi, Tsuyoshi Yamamoto, Tomoyuki Nishita, Real-Time Rendering of Aerodynamic Sound Using Sound Textures Based on Computational Fluid Dynamics, ACM Transactions on Graphics, 22(3), July 2003, pp. 732-740. [project page] Doug L. James, Jernej Barbić and Dinesh K. Pai, Precomputed Acoustic Transfer: Output-sensitive, accurate sound generation for geometrically complex vibration sources, ACM Transactions on Graphics, 25(3), pp. 987-995, July 2006, pp. 987-995. Changxi Zheng and Doug L. James, Harmonic Fluids, ACM Transaction on Graphics (SIGGRAPH 2009), 28(3), August 2009, pp. 37:1-37:12. Jeffrey Chadwick, Steven An, and Doug L. James, Harmonic Shells: A Practical Nonlinear Sound Model for Near-Rigid Thin Shells, ACM Transactions on Graphics (SIGGRAPH ASIA Conference Proceedings), 28(5), December 2009, pp. 119:1-119:10. Changxi Zheng and Doug L. James, Rigid-Body Fracture Sound with Precomputed Soundbanks, ACM Transactions on Graphics (SIGGRAPH 2010), 29(3), July 2010, pp. 69:1-69:13. Jeffrey Chadwick and Doug L. James, Animating Fire with Sound, ACM Transactions on Graphics, 30(4), August 2011. Jeffrey N. Chadwick, Changxi Zheng and Doug L. James, Precomputed Acceleration Noise for Improved Rigid-Body Sound, ACM Transactions on Graphics, August 2012. Steven S. An , Doug L. James, and Steve Marschner, Motion-driven Concatenative Synthesis of Cloth Sounds, ACM Transactions on Graphics, August 2012. Timothy R. Langlois and Doug L. James, Inverse-Foley Animation: Synchronizing rigid-body motions to sound, ACM Transactions on Graphics (SIGGRAPH 2014), 33(4), August 2014.
TuDec05	Guest Speaker	Guest Speaker: Theodore Kim (Pixar Research Group) Title: "Just Enough Non-Linearity" BONUS: LUNCH: Attend the student lunch (noon-1pm) with Ted in Gates 392 to hear more about life at Pixar, etc.
ThDec07	Project Presentations

Related prior course on Physically Based Animation (Cornell)

SCHEDULE (Fall 2016 CS348C Course):

Location	Gates B12 (new location!) Mitchb67
Time	TuTh 1:30PM - 2:50PM
Office Hours (Prof)	Wed 4:30-6:00 PM (Gates 362), or by appointment
TA	Ante Qu (CS PhD student) Office hours: Mondays 1-3 pm (Gates B21) and Fridays 3-5 pm (Gates 260), also Thursday 10/19 at Gates 498, but no OH Friday 10/20 or Monday 11/27
Prerequisites	Recommended: CS148 and/or CS205A. Prerequisite: linear algebra. (or permission of instructor)
Textbook	None; lecture notes and research papers assigned as readings will be posted here.
Communication	Piazza: http://piazza.com/stanford/fall2017/cs348c/home
Requirements	Students are expected to attend the lectures, participate in class discussions, and read the supplemental materials.
Assignments	There will be programming assignments, and a final project based on a student-selected topic.
Exams	None.
ExploreCourses	Link

DATE	TOPIC	SUPPLEMENTAL MATERIALS
	Prog. Assignment #1: Position-Based Fluids	PA1 webpage Canvas link (starter code + submission)
ThOct13 TuOct18	Implicit Integration & Cloth Simulation	Material: Blackboard Backward Euler method Stability analysis of forward & backward Euler schemes on test problem U.M. Ascher and L.R. Petzold, Computer Methods for Ordinary Differential Equations and Differential-Algebraic Equations, SIAM. Backward Euler for particle systems Application to cloth simulation [BW98] David Baraff and Andrew Witkin, Physically Based Modeling, Online SIGGRAPH 2001 Course Notes, 2001. Implicit Methods (Baraff) Slides Lecture Notes David Baraff, Andrew P. Witkin, Large Steps in Cloth Simulation, Proceedings of SIGGRAPH 98, Computer Graphics Proceedings, Annual Conference Series, July 1998, pp. 43-54. Implicit-Explicit (IMEX) integration schemes: Ascher, Ruuth, Wetton, Implicit-Explicit Methods for Time-Dependent Partial Differential Equations, SIAM J. Num. Anal. 32, pp. 797-823, 1995. Bernhard Eberhardt, Olaf Etzmuß, Michael Hauth, Implicit-Explicit Schemes for Fast Animation with Particle Systems, Computer Animation and Simulation 2000, Proceedings of the EG Workshop in Interlaken, 21-22 August, 2000. Example: "Going implicit on damping"
ThOct27 TuOct29	Position-Based Simulation Methods and other relaxation-based dynamics	References: Jan. Bender, Matthias. Müller, Miles. Macklin, Position-Based Simulation Methods in Computer Graphics, EUROGRAPHICS Tutorial Notes, 2015, Zürich, May 4-8. (Course Notes)(Slides) M. Müller, B. Heidelberger, M. Hennix, J. Ratcliff, Position Based Dynamics, Proceedings of Virtual Reality Interactions and Physical Simulations (VRIPhys), pp 71-80, Madrid, November 6-7 2006, Best Paper Award, PDF, (video), (slides) Miles Macklin, Matthias Müller, Nuttapong Chentanez: XPBD: Position-Based Simulation of Compliant Constrained Dynamics in Proceedings of ACM Motion in Games, San Francisco, October 2016 [PDF][Slides][Video][Youtube] (An improved PBD approach) Other Reading: Jos Stam, Nucleus: Towards a Unified Dynamics Solver for Computer Graphics, 2009 Conference Proceedings: IEEE International Conference on Computer-Aided Design and Computer Graphics, pp. 1-11, 2009. (related talk) T. Jakobsen, Advanced Character Physics, Game Developer Conference, 2001. Miles Macklin, Matthias Müller, Nuttapong Chentanez, and Tae-Yong Kim. 2014. Unified particle physics for real-time applications. ACM Trans. Graph. 33, 4, Article 153 (July 2014), 12 pages. [ACM link] Sofien Bouaziz, Sebastian Martin, Tiantian Liu, Ladislav Kavan, and Mark Pauly. 2014. Projective dynamics: fusing constraint projections for fast simulation. ACM Trans. Graph. 33, 4, Article 154 (July 2014), 11 pages. [ACM link] Rahul Narain, Matthew Overby, George E. Brown, ADMM ⊇ Projective Dynamics: Fast Simulation of General Constitutive Models, ACM SIGGRAPH / Eurographics Symposium on Computer Animation (SCA), 2016.
TuNov01	Prog. Assignment #2: Position-Based Dynamics	PA2 webpage Canvas link (starter code + submission)
ThNov03	Fracture Animation	Material: Demetri Terzopoulos, Kurt Fleischer, Modeling Inelastic Deformation: Viscoelasticity, Plasticity, Fracture,Computer Graphics (Proceedings of SIGGRAPH 88), August 1988, pp. 269-278. James F. O'Brien, Jessica K. Hodgins, Graphical Modeling and Animation of Brittle Fracture, Proceedings of SIGGRAPH 99, Computer Graphics Proceedings, Annual Conference Series, August 1999, pp. 137-146. James F. O'Brien, Adam W. Bargteil, Jessica K. Hodgins, Graphical Modeling and Animation of Ductile Fracture, ACM Transactions on Graphics, 21(3), July 2002, pp. 291-294. Neil Molino, Zhaosheng Bao, Ron Fedkiw, A virtual node algorithm for changing mesh topology during simulation, ACM Transactions on Graphics, 23(3), August 2004, pp. 385-392. M. Müller, M. Gross, Interactive Virtual Materials, in Proceedings of Graphics Interface (GI 2004), pp 239-246, London, Ontario, Canada, May 17-19, 2004. (Video) Mark Pauly, Richard Keiser, Bart Adams, Philip Dutré, Markus Gross, Leonidas J. Guibas, Meshless animation of fracturing solids, ACM Transactions on Graphics, 24(3), August 2005, pp. 957-964. [ACM] (Video) [PDF] Hayley N. Iben, James F. O'Brien, Generating Surface Crack Patterns, 2006 ACM SIGGRAPH / Eurographics Symposium on Computer Animation, September 2006, pp. 177-186. Denis Steinemann, Miguel A. Otaduy, Markus Gross, Fast Arbitrary Splitting of Deforming Objects, 2006 ACM SIGGRAPH / Eurographics Symposium on Computer Animation, September 2006, pp. 63-72. (Video) Bao, Z., Hong, J.-M., Teran, J. and Fedkiw, R., Fracturing Rigid Materials, IEEE TVCG 13, 370-378 (2007). Eftychios Sifakis, Kevin G. Der, Ronald Fedkiw, Arbitrary Cutting of Deformable Tetrahedralized Objects,2007 ACM SIGGRAPH / Eurographics Symposium on Computer Animation, August 2007, pp. 73-80. Eric G. Parker and James F. O'Brien, Real-Time Deformation and Fracture in a Game Environment, In Proceedings of the ACM SIGGRAPH/Eurographics Symposium on Computer Animation, pages 156–166, August 2009. Su, J., Schroeder, C. and Fedkiw, R., Energy Stability and Fracture for Frame Rate Rigid Body Simulations,ACM SIGGRAPH/Eurographics Symposium on Computer Animation (SCA), edited by Eitan Grinspun and Jessica Hodgins, pp. 155-164 (2009). Changxi Zheng, Doug L. James, Rigid-Body Fracture Sound with Precomputed Soundbanks, ACM Transactions on Graphics, 29(4), July 2010, pp. 69:1-69:13. M Müller, N Chentanez, TY Kim, Real time dynamic fracture with volumetric approximate convex decompositions, ACM Transactions on Graphics (TOG), 2013. [Video] Oleksiy Busaryev, Tamal K. Dey, and Huamin Wang. 2013. Adaptive fracture simulation of multi-layered thin plates. ACM Trans. Graph. 32, 4, Article 52 (July 2013). [Video] Zhili Chen, Miaojun Yao, Renguo Feng, and Huamin Wang. 2014. Physics-inspired adaptive fracture refinement. ACM Trans. Graph. 33, 4, Article 113 (July 2014). [ACM] Yufeng Zhu, Robert Bridson, and Chen Greif, Simulating Rigid Body Fracture with Surface Meshes, Transactions on Graphics (Proc. ACM SIGGRAPH 2015). David Hahn and Chris Wojtan, High-Resolution Brittle Fracture Simulation with Boundary Elements, ACM Trans. Graph. 34, 4, Article 151 (July 2015). David Hahn and Chris Wojtan, Fast approximations for boundary element based brittle fracture simulation, ACM Trans. Graph. 35, 4, 104 (SIGGRAPH 2016). A recent review of fracture in graphics: L Muguercia, C Bosch, G Patow, Fracture modeling in computer graphics, Computers & Graphics, 2014.
ThNov17	Guest Speaker	Guest Speaker: Fernando de Goes (Pixar Research Group) Material: Power Particles: An incompressible fluid solver based on power diagrams de Goes, Wallez, Huang, Pavlov, Desbrun SIGGRAPH / ACM Transactions on Graphics (2015) preprint video I video II dl.acm
TuNov22 ThNov24	Thanksgiving Break (No classes)
TuNov29	No class (Adobe-Stanford retreat)
ThDec01	Final-Project Working Class	Come to class prepared to discuss & work on your final project Bring questions
TuDec06	Noise & Turbulence Modeling	Materials: Ken Perlin and Eric Hoffert, Hypertexture, 1989 Computer Graphics (proceedings of ACM SIGGRAPH Conference), Vol. 22, No. 3. (Ken's write-up) Jos Stam and Eugene Fiume. 1993. Turbulent wind fields for gaseous phenomena. In Proceedings of the 20th annual conference on Computer graphics and interactive techniques (SIGGRAPH '93). ACM, New York, NY, USA, 369-376. Ronald Fedkiw, Jos Stam, Henrik Wann Jensen, Visual Simulation of Smoke, Proceedings of ACM SIGGRAPH 2001, Computer Graphics Proceedings, Annual Conference Series, August 2001, pp. 15-22. (introduces vorticity confinementforces) Jerry Tessendorf, Simulating Ocean Water, SIGGRAPH course notes, 2002. [Slides 2004] Frequency-domain methods commonly used for water wave simulation, e.g., NVIDIA WaveWorks. F. Neyret, Advected textures, In Proc. ACM SIGGRAPH/Eurographics Symp. Comp. Anim. (2003), pp. 147–153. Andrew Selle, Nick Rasmussen, Ronald Fedkiw, A vortex particle method for smoke, water and explosions, ACM SIGGRAPH 2005 Papers, July 31-August 04, 2005. Robert L. Cook and Tony DeRose. 2005. Wavelet noise. ACM Trans. Graph. 24, 3 (July 2005), 803-811. [ACM] Alexander Goldberg, Matthias Zwicker, Frédo Durand, Anisotropic noise, ACM Transactions on Graphics (TOG), v.27 n.3, August 2008. Robert Bridson, Jim Houriham, Marcus Nordenstam, Curl-noise for procedural fluid flow, ACM Transactions on Graphics (TOG), v.26 n.3, July 2007. (movie and public domain example code available.) Theodore Kim, Nils Thürey, Doug James, Markus Gross, Wavelet turbulence for fluid simulation, ACM Transactions on Graphics (TOG), v.27 n.3, August 2008. [ACM] (code available) H. Schechter, R. Bridson, Evolving sub-grid turbulence for smoke animation, Proceedings of the 2008 ACM SIGGRAPH/Eurographics Symposium on Computer Animation, July 07-09, 2008, Dublin, Ireland. [Movie] Rahul Narain, Jason Sewall, Mark Carlson, Ming C. Lin, Fast animation of turbulence using energy transport and procedural synthesis, ACM Transactions on Graphics (TOG), v.27 n.5, December 2008. Tobias Pfaff, Nils Thürey, Andrew Selle, and Markus Gross, Synthetic Turbulence using Artificial Boundary Layers,ACM SIGGRAPH Asia 2009 Papers, ACM Press, 2009.
TuDec13	Final Project Due Date	Submit your project online via Canvas.