box-girder-finite-element

abaqus子程序fric摩擦材料clough-duncan模型，二三维通用，已经验证(abaqus subroutine frictional material fric)

说明：  本书是为理工科大学各专业普遍开设的“数值分析”课程编写的教材 . 其内容包括插值与逼近 ,数值微分与数值积分 , 非线性方程与线性方程组的数值解法 , 矩阵的特征值与特征向量计算 , 常微分方程数值解法 . 每章附有习题并在书末有部分答案 ,书末还附有计算实习题和并行算法简介 . 全书阐述严谨, 脉络分明 ,深入浅出 ,便于教学 .(This book is a textbook for the course of "numerical analysis" which is widely offered in various majors of universities of science and engineering. Its contents include interpolation and approximation, numerical differentiation and numerical integration, numerical solution of non-linear and linear equations, calculation of eigenvalues and eigenvectors of matrices, numerical solution of ordinary differential equations. At the end of the book, there are some answers. At the end of the book, there are also a brief introduction of computational practice questions and parallel algorithms. The whole book elaborates rigorously, clearly, thoroughly and shallowly, which is convenient for teaching.)

lmmse算法的仿真实现，在相关矩阵的求解上比较有技巧性(lmmse Simulation Algorithm)

简述算法在实际当中的应用以及算法的改进和延伸(Improvement and extension of applications and algorithms of the outlined algorithm in practice)

说明：  分数傅里叶变换和分数余弦变换，动态展示实部，虚部和模值(Computation of the Fractional Fourier Transform)

说明：  最优化算法中的二分法，是用MATLAB实现的，经过调试的(Optimization of the dichotomy, is to use MATLAB to achieve, through debugging)

线性规划中的单纯形法的c实现，代码有测试类，(Simplex method for linear programming)

麻省理工大学k.j.bathe 教授开发的adina代码,欢迎大家下载,(adina sources by k.j.bathe MIT please download)

计算流体力学，HLL格式，适合初学者，易懂，每步有说明。(Computational Fluid Dynamics, HLL format, suitable for beginners, easy to understand, each step is described.)

学习fortran的必备，simple算法，拥有完整注释，便于学习交流，是快速学习数值传热学的利器(Learning fortran essential, simple algorithm, with complete notes, facilitate learning exchanges)