J2failure-model

自己实现的一个简单的计算器，支持大数的加减乘除、开平方等操作，不适用库函数。(Themselves to achieve a simple calculator, to support the addition and subtraction, multiplication and division of large numbers, such as square root operations, library functions do not apply.)

说明：  相场法材料计算的model C-pure对应的基础相场计算代码，初学者可取(The phase field calculation code corresponding to the model C-pure calculated by the phase field method material is suitable for beginners.)

润滑理论的matlab求解程序,包括弹流和刚流润滑.(Lubrication theory matlab solving procedures, including Elastohydrodynamic lubrication and just.)

采用M语言仿真stribeck的三轴伺服系统，可以在低速情况下观察较强的摩擦现象(With M-language simulation stribeck three-axis servo systems, in the case of low friction phenomena observed strong)

进行主成分分析的多种方法，简单和复杂的，适合初学者使用(For a variety of methods of principal component analysis, simple and complex, suitable for beginners to use)

说明：  通过建立截面为多边形的水平柱体模型，运用c语言程序进行编程，得出该地质体的重磁异常特点(By establishing a horizontal cylinder model with polygon cross section and programming with C language, the characteristics of gravity and magnetic anomalies of the geological body are obtained.)

说明：  非线性振动教程，学习振动的学者们必须看的东西。(Nonlinear vibration tutorial, learning vibration scholars must look at things.)

伽辽金有限元解微分方程源代码，带注释，初学者学习使用非常好(Galerkin finit element method )

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.)

振动控制理论 三自由度系统地震激励下 主动控制和半主动控制以及无控制系统的响应( vibration control )