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计算圆周率PI的FORTRAN 的程序
- 这是计算圆周率PI的FORTRAN 的程序，程序简单通过f(x) = 4/(1 + x**2)-This is a good program, compute pi by integrating f(x) = 4/(1+ x**2)
2
- Fortran 90 and HPF Programs Related to the Book
2dc
- 计算传热学分析，包括直角坐标中用有限容积法生成的二维对流扩散方程的求解程序；直角坐标中同位网格上二维NAVIER-STOKES方程求解程序；及计算结果的后处理程序；-Calculation of heat transfer analysis, including the rectangular coordinates using finite volume method to generate two-dimensional convection-diffusion equation solve
cavity
- this program solves the steady-state navier-stokes eqn in 2d for the flow in a driven cavity problem. the function solved for is the streamfunction. the velocity may be obtained by differentiating the streamfunction.
Lbfgsb.2.1.tar
- Software for Large-scale Bound-constrained or Unconstrained Optimization L-BFGS-B is a limited-memory quasi-Newton code for large-scale bound-constrained or unconstrained optimization. The code has been developed at the Optimization Technology Cent
int
- 求解积分方程,(1)使用复化Simpson方法求积分(2)使用三次样条求积分值,并比较离散解与真解之间的误差,附件有详细说明-Solving integral equation (1) the use of complex methods for integration of Simpson (2) the use of cubic spline points for value, and compare the discrete solution and the error between t
2
- 计算双通道散射BUBBLEGUM v.2 的源代码-The FORTRAN code BUBBLEGUM.f calculates the unitary, analytic T-matrix for a two-channel problem with an arbitrary number of resonances. It also gives the approximate results from the K-matrix method, the Breit-Wigner approx
duct4
- duct.f computes a fully developed viscous laminar flow in a rectangular channel of aspect ratio b/a (=bar). solve the equation: d^2u/dx^2 + d^2u/dy^2 = -1, -a<x<a, -b<y<b method of discretisation: 3-point centered differences
FDTD2D_TM_UPML0
- FDTD 2 dimension TM modes with UPMLs Fortran platform
FDTD2DTE_UPML0
- FDTD 2 dimension TE modes with UPML Fortran platform
NL10
- 工程地质中常用程序代码 1.工程地质线弹性有限元分析 2.均质岩土体 边界 单元 计算 程序 -Commonly used in engineering geology program code 1. Engineering Geology linear elastic finite element analysis of 2. Homogeneous rock mass boundary element calculation program
CC2NONCC_ESOCv6.2
- cc2noncc,gps算法中dcb改正模型，如无法打开，请将后缀名改为tar.-cc2noncc, gps algorithm dcb correction models, such as can not be opened, add the suffix name was changed to tar.
single
- 使用奇异值分解来帮助求解最小二乘问题，特别是在方程系数矩阵不满秩的情况下。-SGELSD computes the minimum-norm solution to a real linear least * squares problem: * minimize 2-norm(| b- A*x |) * using the singular value decomposition (SVD) of A. A is an M-by-N * matrix which
Nonnlinefemforsoil
- 1.本程序为平面变形问题非线性有限元程序,可用于计算土坝、地基、挡土墙或地下结构的应力和变形。 2.土的非线性应力--应变关系采用邓肯双曲线模式 另一个弹性常数可有两种选择: (a)切线泊松比: (b)切线体积模量: 3.解题方法为中点增量法,考虑到每级加荷的两次计算所得的弹性常数对某些单元可能相差较大,而实际可能处于这两者之间,因此取两者的某种加权平均值作为修正的计算弹性常数,其中初始弹性常数取权为1/4,中点弹性常数取权为3/4,以反映平均结果接近中点弹性常数。
fropho-1.2.0.2.tar
- 晶体中声子谱计算的fortran程序，很专业，有详细文档说明。-fropho calculates phonon in crystal, which is based on Parlinski-Li-Kawazoe method
DEM2D
- 二维离散单元法源代码，主要用于岩石力学。-2－D discrete element method for rocks
ToyFDTDningodwaaswi-0.1.2
- ToyFDTD is very famous EM tool written in C and Fortran based on FDTD technique.
Kalker_code
- Kalker s all code 1. Exact solution 2. Linear Solution 3. Simplifiend solution 4. FASTSIM + POLACH s contact algorithm