用无网格EFG方法求解悬臂梁程序，已经通过编译，无错误。-Mesh-free EFG method cantilever procedures have been adopted by the compiler, error-free.

Demonstrates finding the surface of a free form octtreeraycastintersect Includes raycast collision with a complex (high poly) mesh and using the octree to speed up collision detection

This C++ codes are developed by Shin Yoshizawa at the MPII, Saarbruecken, Germany. The method is described in my paper "Free-form Skeleton-driven Mesh Deformations", Shin Yoshizawa, Alexander G. Belyaev, and Hans-Peter Seidel, ACM Solid Modeling 2003

采用全局弱式无网格的f90程序 针对二维弹性力学的问题