Coherence resonance in a nonlinear aeroelastic system

The data set is for the numerical simulation of stochastic sub-critical pitch-plunge aeroelastic system. The stochastic differential equations (SDEs) are solved in MATLAB. The simulated data is further post-processed to prove the manifestation of coherence resonance in the system. The measures used to establish the phenomenon are power spectral density (PSD), signal-to-noise ratio (SNR), quality factor, correlation time, inter-spike interval (ISI) analysis, which is also provided in the dataset. The dataset also contains the source code used to simulate the system and post-processing codes used to evaluate the measures. Coherence resonance is unexplored in the context of aeroelastic/fluid-structure interaction systems and can pose danger to the safety of the structure. However from the lens of energy harvesting, the amplified power output at the system frequency holds a promising outlook., The data was collected by numerically simulating the stochastic system in MATLAB. The post-processing was also performed in MATLAB and a thorough analysis was done to establish the phenomenon of coherence resonance in the stochastic aeroelastic system considered., , # Coherence resonance in a nonlinear aeroelastic system

[https://doi.org/10.5061/dryad.cnp5hqcc5](https://doi.org/10.5061/dryad.cnp5hqcc5)

The folders contain the numerical data (.mat files) generated by running the various codes (.m files) in MATLAB. The dataset numerically simulates a stochastic aeroelastic system with pitch and plunge degrees of freedom. The stochastic noise acts on both the pitch and plunge directions as discussed in detail in the manuscript. The data is generated for various values of input noise intensity ($\sigma$) at a specific inlet reduced velocity of ($U=6.05$) by using the file fnc7.m which uses the function file glitter7.m. This data is further post-processed to exhibit the manifestation of coherence resonance in the chosen aeroelastic system by using the remaining .m files.

## Description of the data and file structure

**Folders:**

1. **ResultsSDE_Data** :- Contains .mat files that store the raw data obtained from the simulation. The file name of the ...,