虽然没开源代码，但讲义或论文本身也值得一看。入选标准：足够通俗易懂，或者公式足够多且讲得清楚，或者有伪代码。
A practical guide to pseudospectral methods 第三章，有计算前向差分后向差分中心差分的算法。
Bijective Composite Mean Value Mapping
A Discrete Model for Inelastic Deformation of Thin Shells
Real-time Realistic Ocean Lighting using Seamless Transitions from Geometry to BRDF
Implementing Baraff & Witkin’s Cloth Simulation 公式推导很详细
http://www.dgp.toronto.edu/~jmwang/movies/siggraphasia_talk.tar.gz 人物运动参考
http://pub.ist.ac.at/~chafner/JeschkeWaveCages.pdf 它的DEMO能够运行，并且很好看？
A Finite Element Formulation of Baraff-Witkin Cloth
Real-time Interactive Simulation of Smoke Using Discrete Integrable Vortex Filaments 附代码