OpenSTAP is a Finite Element Method (FEM) Solver. It is based on: STAP (KJ Bathe, FORTRAN IV) STAP90 (Prof. Xiong Zhang, Tsinghua University, FORTRAN 90) It includes: Basic element types: Truss 3T (Triangular) 4Q 8Q 9Q 4T (Tetahedral) 8H (Hexahedral) 20H (B Matrix Unfinished) ...