ntontrust5duowei08

计算动力学研究，应力波引起的裂纹扩展问题，供大家学习(Kinetics calculations, crack propagation problems caused by stress wave for everyone to learn)

说明：  对音频信号进行处理。实现变速不变调。变调不变速。男声变女声。内有实例音频文件(The audio signal processing. Adjusted to achieve the same speed. Tone does not shift. Male Female change. There are instances of audio files)

计算层合板各层主应力，主应变，及层合板失效强度和极限强度(The layers of laminated plate are calculated principal stress, principal strain, and the failure strength and ultimate strength of laminated plates)

一个在fluent udf中使用Compute_Force_and_Moment函数计算力的算例(An Example of Compute_Force_and_Moment Function in Fluent UDF)

对FFT算法的基2时析型实现，在实习时很多专业会用到(Algorithm based on FFT analysis of type 2 o)

说明：  详细描述了通过卡尔曼滤波算法对GSP和imu数据进行融合(merge the gps and imu with the kalman)

说明：  用fortran 70实现数值积分，并实例计算了三个函数，导出了积分值和误差(The numerical integration is realized by FORTRAN 70, and three functions are calculated with examples. The integral values and errors are derived.)

说明：  适合初学者学习的fluent网格划分以及udf动网格(A fluent udf example)

本代码可以用于计算特征向量或者矩阵的相似度。(This code can be used to calculate the similarity of the feature vector or matrix.)

利用下载的goce原始数据，计算得出含有时间/经纬度/重力梯度格式的程序(Use downloaded goce raw data, calculated with the time/latitude/gravity gradient program formats)