平面四节点等参元有限元程序，适合初学者使用，有详细的说明-Planar four node isoparametric element finite element program, suitable for beginners to use, has a detailed descr iption of

利用P-R方程计算混合制冷剂的PVT性质的fortran程序，可以以R22/R600a为例-P- R equation is used to calculate PVT properties of mixed refrigerant FORTRAN programs, can with R22/R600a as an example

使用fortran编写的AVO属性提取小程序，可以提取P，G，P+G，P*G等多种AVO属性。-Using FORTRAN make the AVO attribute extraction applet, you can extract P, G, P+G, P*G and other AVO attributes.

fortran 总刚 单刚 源程序 有限元 分析节点及单元编号。已知区域x1边m等分，y1及y2边n等分，再将圆弧m0等分，最后将x2边(m-m0)等分，并找到各个边等分点的坐标。再将x1边的等分点按顺序分别与x2边和圆弧边的等分点用线段相(fortranUniform Mesh on Unit Circle: % fd = inline('sqrt(sum(p.^2,2))-1','p'); % [p,t] = distmesh_2d(fd,@huniform,0.2,