OpenXFEM++ with patches for Cygwin or Linux-An object-oriented enriched finite element code that provides a robust tool for simulating fracture using an extended finite element(XFEM)computations. The features of the program include flexibility in the

Essentially non-oscillatory (ENO) and Weighted ENO (WENO) are finite difference or finite volume schemes. The first ENO scheme is constructed by Harten et. al. in 1987. The first WENO scheme is constructed in 1994 by Liu,Osher and Chan for a third or