Ahmad Takash

2 Questions 6 Answers 0 Followers

Questions related from Ahmad Takash

Usage of FFT for physical problems, How to choose sampling?

In case of a transient thermal problem, for large diffusivity coefficient when I use the FFT to transform the signal from time domain into the frequency domain, I have a different evolution of...

19 September 2017 8,303 15 View

Is that possible to use the Fast Fourier Trasnform for a non-linear problems? What is the effect on amplitude and on the phase angle?

To illustrate, I have a thermal problem with nonlinear parameters that depend on temperature, for example, dependecne of specific heat Cp(T) on temperature. and the problem will be solved with...

05 September 2017 5,960 3 View