3dcrack

一个表达式计算库，支持算术，逻辑运算，位运算，支持多层级的if/then/else，功能强大。(Calculation of an expression library, support for arithmetic, logic operations, bit computing, multi-level support if/then/else, powerful.)

详细全面的蒙特卡洛PPT讲解以及MATLAB算例，帮助大家0基础快速掌握MC的精华所在。(Detailed and comprehensive Monte Carlo PPT to explain and MATLAB example, to help you basically grasp the essence of MC.)

以重力异常为例，对重力异常曲线进行圆滑和求导数。(This is a matlab code.It about smooth and derivative algorithm.)

利用地震方位属性进行反演，获得各向异性强度和方位参数；同时对计算结果进行归一统计性处理。(Property inversion, seismic orientation anisotropy and orientation parameters and normalized statistical processing of the calculation results at the same time.)

这是ansys里面apdl语言，用于计算圆柱体开裂(This is the ansys inside apdl language, used for calculating the cylinder craze)

说明：  matlab求解整数规划问题教程，无程序文件，可根据教程案例编写程序，易上手，适合于matlab算法初级学习。(Matlab integer programming problem solving tutorial, no program files. Written according to the tutorial case. Suitable for matlab algorithm primary learning.)

短时傅立叶变换及其反变换---绝对可运行！(Short-time Fourier transform and its inverse transform- absolutely can run!)

四阶龙格库塔法 数值计算 C++源码 可直接运行(Fourth-order Runge-Kutta numerical method C++ source code can be run directly)

一篇论文，转子动力学方面，思路独特，新颖性强。题目为叶片-转子-轴承系统的非线性动力学问题研究(Paper, rotor dynamics, the idea of ​ ​ unique, innovative and strong. Entitled blades- Rotor- bearing system of nonlinear dynamics)

国外的地震有限元程序，美国伯克利大学的，非常经典(Earthquake abroad finite element program, the United States Berkeley, very classic)