shanchen

使用惩罚函数法对机械设计中的问题进行优化处理(The use of penalty function method for mechanical design optimization problems deal with)

滚动轴承信号的保罗谱分析，hilbert Teager能量算子，信号平方，信号取绝对值等等方法求信号包络谱(hilbert transmission)

针对于对一般矩阵的求逆，或对复杂系统的求逆(Aimed at the general matrix inverse or inverse complex systems)

是学习PCA特征提取的很好的学习资料，能量熵的计算，对于初学matlab的同学会有帮助。( Is a good learning materials to learn PCA feature extraction, Energy entropy calculation, Matlab for beginner students will help.)

该程序计算薄板振动固有频率，模态，以及受迫振动时域响应(The program calculates the natural frequencies, modes, and time-domain responses of the forced vibration of the thin plate)

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)

Umat for GTN damage material model in Abaqus by UMAT - STATIC in Levenberg-Marquardt (LM) solution routines from Slatec library

计算材料学中用相场法模拟凝固相变以及晶粒长大的开源性程序(Computational Materials Science solidification using phase-field simulation of grain growth phase transitions and open-source program)

说明：  基于结构网格二维Euler方程的Jameson求解方法 自己写的程序，网格是现成的结构网格(Jameson solution method based on two-dimensional Euler equation of structural grid. Write their own procedures, the grid is ready - made structural grid.)

有限元方法fortran编程，包括二维三维线性非线性静态分析、稳定流瞬时流分析、振动问题、特征值问题、并行计算等。包含了所有子程序。(Finite element method fortran programming, including 2D and 3D linear and nonlinear static analysis, steady flow transient flow analysis, vibration problems, eigenvalue problems, parallel computing. Contains all subroutines.)