二位平面问题有限元法求解，三角形常应变单元，利用半带宽并考虑结构自重。-The plane problem of two finite element method, the triangular constant strain element, the use of semi-bandwidth and consider the structure of self-respect.

FLOW7_MAIN解决了使用有限元法二维稳态不可压缩流-FLOW7_MAIN solves a 2D steady incompressible flow using finite elements

三角形常应变单元求解结构主程序，运用有限元法中三角形常应变单元解平面问题的计算主程序。-Constant strain triangle element program compiled and used