bchcode

fluent模拟焊接，熔滴过渡的质量源项(Welding Simulation， mass source)

点云曲面建模，基于距离函数，运用移动最小二乘法，拟合曲面，提取等值面，用于散乱点云的快速三角网格构建(Point cloud surface modeling, based on the distance function, the use of moving least squares method, fitting surface, isosurface extraction for fast scattered point cloud build triangular mesh)

说明：  特征值分解，HouseHolder分解等(matlab Linear Algebra Package)

2D ADI FDTD code.采用不同的三对角矩阵解法(2D ADI FDTD code. Using different tridiagonal matrix method)

很好的算法，可广泛用于各行业（如工控）计算组态(It s a very good arithmetic that can be used at many industries.such as industry control,for caculation configuration.)

4阶龙格--库塔法解常微分方程,比较好用,希望大家尝试.(4-order Runge-Kutta method solution of ordinary differential equations, more useful, I hope everyone try.)

abaqus中扩展有限元（UEL）计算疲劳断裂(extended finite element method (uel)for fracture problems within the finite element software ABAQUS)

说明：  基于力密度法的索杆张力结构找形程序，压缩包力有算例(power density method based on the structure of cable-form-finding procedures, compressed power is counting cases)

Fortran算法程序集，徐士良，第二版，包括源码和pdf。(The Fortran algorithm assemblies, XU Shi-liang, second edition, including source code and pdf.)

有限元n维实体材料单元，仅供科研用途，拒绝商业使用(N-dimensional finite element solid material element, for scientific purposes, refusing commercial use)