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MMA
说明： 拓扑优化MMA算法从空间的一个初始设计点出发，沿着某个搜索方向以适当步长的迭代格式 ，实现对设计变量的修改，以获得的值。(Starting from an initial design point in space, the topology optimization MMA algorithm modifies the design variables in an appropriate iterative format along a certain search direction to obtain the optimal value)
- 2021-02-04 12:14:39下载
- 积分：1
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shuzhijisuan
数值计算实例，主要有LU分解，龙格库塔法，高斯分解法，欧拉法，曲线拟合，曲线插值(Numerical example)
- 2014-01-03 10:38:53下载
- 积分：1
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DisplayFFTResult
电弧炉对电网影响仿真软件，希望对大家有所帮助(EAF impact on the power grid simulation software, want to help everyone)
- 2021-04-26 18:08:45下载
- 积分：1
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fft
说明： 用DFT 函数计算电压u, 电流i的基波(f1=50 Hz)的有效值和相位;
用FFT函数分别计算电压u和电流i 所包含的直流,基波和谐波的有效值和初相角;
可计算基波(f1=50 Hz)和各次谐波的功率p和功率因数con?.(The effective value and phase of fundamental wave (f1 = 50 Hz) of voltage U and current I are calculated by DFT function.
The effective values and initial phase angles of DC, fundamental and harmonic waves contained in voltage U and current I are calculated by FFT function, respectively.
The power P and power factor con of fundamental wave (f1 = 50 Hz) and harmonics can be calculated.)
- 2019-03-28 15:48:19下载
- 积分：1
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FFT_Original
FFT/IFFT 变换程序----------------(FFT/IFFT transformation process----------------)
- 2010-07-14 19:48:13下载
- 积分：1
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Pointandsegment
判断点和线段之间的关系，包括点在线段的上，点在线段的延长线，反向延长线，点在线段外四种情况(Judge the relationship between the point and line, including the point on the line, in line at the extension of reverse extension cord, and so on.)
- 2013-01-08 14:54:18下载
- 积分：1
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FractalDim
盒维数计算和豪斯多夫维数的计算与应用研究程序(box counting)
- 2013-07-27 17:50:31下载
- 积分：1
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sound-speed
通过换能器测量得到材料的信号到达时间，根据一些已知条件以及声学公式计算材料的声速(Measured by the transducer signal arrival time of the material, according to some known conditions, and calculated acoustic velocity materials)
- 2011-12-01 09:57:44下载
- 积分：1
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快速三次平滑源码
说明： 快速三次平滑滤波算法为工程人员在对数据进行滤波时提供极大的方便(three rapid smoothing filter algorithm works in the data filtering provides great convenience)
- 2005-09-17 10:22:36下载
- 积分：1
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av_max
fluent udf 壁面热流通量随时间的变化。
调用fluent udf 里面的宏运算。(fluent udf wall heat flux changes with time. Call fluent udf inside the macro operator.)
- 2020-12-28 16:39:01下载
- 积分：1
