Ipolytech offer a Finite Element Analysis (FEA) service specialising in plastic and rubber components. Using advanced non linear and contact models to assess complex multi component systems.

Cranfield Precision carries out extensive Finite Element analysis (Fea) during the design of machines and machine elements.

We supply a comprehensive engineering consultancy service, we can assist with; finite element analysis (Fea) , patent applications, automation, engineering design services and more….

Links and various Fortran FFT implementations.

Fast free C FFT library; includes multi-dimensional, real-complex, and parallel transforms.

Arbitrary length FFT C-source, 3D gravity simulator, quantization of FIR filter coefficients. C source.

Source code and links for many different FFT implementations and related information.

Power-of-two real and complex FFT software that is faster, and more accurate, than conventional iterative implementation of one-dimensional FFTs. Based on a propietary algorithm.

A real-time spectral analysis application with spectral analysis tools, statistical functions and visualization system. It can analyse data from WAV files or sound input from microphone or CD player. Shareware.

A package of Fortran subprograms for the fast Fourier transform of periodic and other symmetric sequences.