https://github.com/echeynet/seir

Generalized SEIR Epidemic Model (fitting and computation)

china compartmental-models coronavirus covid-19 death-rate fitting france italy johns-hopkins-university matlab mlx recovery-rate seir usa

Last synced: 11 Apr 2025

https://github.com/echeynet/ssicov

The modal parameters of a line-like structure are automatically identified using an SSI-COV algorithm applied to ambient vibration data

algorithm ambient-vibrations modal-parameters ssi-cov stabilization-diagrams suspension-bridge

Last synced: 11 Apr 2025

https://github.com/echeynet/afdd

Automated Modal parameters identification from ambient vibrations measurement using the FDD

Last synced: 04 Jul 2025

https://github.com/echeynet/polarpcolor

polarPcolor draws a pseudocolor plot in polar coordinates with a polar grid.

lidar polar-coordinates ppi pseudocolor-plot radar rhi visualization

Last synced: 11 Apr 2025

https://github.com/echeynet/windsimfast

A three-variate turbulent wind field (u,v and w components) is simulated in three-dimensions.

coherence fft simulation spectrum winds

Last synced: 11 Apr 2025

https://github.com/echeynet/oma_1sdof

Damping ratio estimation from ambient vibrations (SDOF)

free-decay-response modal-analysis next random-decrement sdof

Last synced: 11 Apr 2025

https://github.com/echeynet/earthquakesim

Ground acceleration records are simulated using the non-stationnary Kanai–Tajimi model

ground-acceleration-records least-square-fit power-spectral-density simualtion

Last synced: 07 Jul 2025

https://github.com/echeynet/windsim_textbased

Wind turbulence generation using text-based input files

coherence simulation wind wind-field wind-histories

Last synced: 28 Oct 2025

https://github.com/echeynet/dynaresp_beam_td

The dynamic displacement response of a line-like structure to an uncorrelated Gaussian white noise input is computed in the time domain.

beam runge-kutta simulation structural-dynamics time-domain vibrations

Last synced: 21 Sep 2025

https://github.com/echeynet/asd

Converting acceleration to displacements records

acceleration dft displacement

Last synced: 03 Apr 2026

https://github.com/echeynet/trafficidentification

Matlab algorithm to automatically identify key vehicle characteristics from vibrations data collected on a suspension bridge

Last synced: 21 Apr 2026

https://github.com/echeynet/modalid_singlesensor

Modal identification of the eigenfrequencies and damping ratios of a line-like structure with a single accelerometer

Last synced: 07 Dec 2025

https://github.com/echeynet/epsd

Evolutionary Power Spectral Density (EPSD)

Last synced: 29 Jul 2025

https://github.com/echeynet/ann_profileatm

Code to get information on the vertical profile of the along-wind standard deviation in the atmospheric boundary layer with a shallow neural network

Last synced: 22 Jul 2026

https://github.com/echeynet/dynarespfd

The dynamic response of a suspension bridge to wind turbulence is computed in the frequency domain.

buffeting engineering-structures frequency-domain suspension-bridges vibration wind-turbulence

Last synced: 21 Apr 2026

https://github.com/echeynet/skewwindsim

Matlab code to generate atmospheric turbulence for skew flow. Application: Wind engineering, structural dynamics, boundary layer meteorology.

random-process turbulence wind-engineering

Last synced: 24 Jul 2025

https://github.com/echeynet/mannmodel1994

Numerical implementation of the uniform-shear model by Mann (1994)

coherence mann spectra uniform-shear wind

Last synced: 12 Jun 2025

https://github.com/echeynet/scatterwindrose

Plot a wind rose as a scatter plot

Last synced: 17 Apr 2026

https://github.com/echeynet/binaveraging

Averaging noisy data into bins

binning data-visualization resampling smoothing

Last synced: 21 Apr 2026

https://github.com/echeynet/ekman1d

Variable eddy viscosity Ekman layer in the ABL (1D)

atmosphere atmospheric-boundary-layer atmospheric-modelling boundar-layer closure eddy-viscosity ekman

Last synced: 22 Apr 2026

https://github.com/echeynet/readwindsurfernora3

WINDSURFER/NORA3, hindcast 3km hourly 2D wave spectra and instantaneous wave fields

Last synced: 27 Apr 2026

https://github.com/echeynet/zombieinfectionmodelling

Matlab code for the simulation of a zombie outbreak using a compartmental model

epidemic-model epidemiology matlab simulation zombie-outbreak

Last synced: 08 Jun 2026

https://github.com/echeynet/turbulencelengthscales

Matlab functions to compute the integral and turbulence length scales in the atmospheric boundary layer

Last synced: 09 Jul 2025

https://github.com/echeynet/randomprocess

Minimalist Matlab implementation of a random process generation in one point

power-spectral-density random-process spectral-method stochastic-process time-series

Last synced: 01 Sep 2025

https://github.com/echeynet/gmetcoop

Automated and remote data extraction of MetCoOp-Ensemble Prediction System data

Last synced: 24 Apr 2026

https://github.com/echeynet/carboncycle7boxes

A seven-box carbon cycle model is implemented in Matlab to simulate atmospheric CO2 concentration from 1750 onwards.

Last synced: 05 Sep 2025

https://github.com/echeynet/gev

The GEV distribution is calculated with and without the Matlab statistical toolbox for wind data

Last synced: 11 Apr 2025

https://github.com/echeynet/eigenbridge2

The vertical eigenfrequencies and mode shapes of a single-span suspension bridge are computed using the method by Luco et Turmo [1]. For the sake of completeness, the computed modal parameters are compared with those obtained using the method by Sigbjørnsson & Hjorth-Hansen [2] and Strømmen [3].

linear-vibrations modal-analysis suspension-bridge

Last synced: 29 Jul 2026

https://github.com/echeynet/chougulemodel2018

Numerical implementation of the uniform shear model including stability by Chougule et al. (2018)

mann rapid-distortion stability theory turbulence uniform-shear

Last synced: 17 Apr 2026

https://github.com/echeynet/nora3

Matlab script to read the NORA3 atmosphere hindcast and interpolate the mean wind speed profiles

Last synced: 08 Mar 2025

https://github.com/echeynet/viridis_white

A modified Viridis colormap where the yellow sequence is replaced by a white one

Last synced: 17 Apr 2026

https://github.com/echeynet/eigenbeam

Computation of the eigenfrequencies and mode shapes of a simple beam

beam boundaries-conditions calculation continuous-beams mode-shapes

Last synced: 22 Apr 2026

https://github.com/echeynet/tdd

The Time domain decomposition (TDD) [1] is an output-only method to extract mode shapes of a structure.

mode-shapes-extraction structural-dynamics tdd

Last synced: 08 Mar 2025

https://github.com/echeynet/dynaresptd

The coupled dynamic response of a suspension bridge to wind turbulence is computed in the time domain

bridge-response buffeting histories load suspension-bridge time-domain turbulence wind-turbulence

Last synced: 17 Apr 2026

https://github.com/echeynet/cohfit

Fitting the co-coherence of turbulence

Last synced: 24 Aug 2025

https://github.com/echeynet/fitmann1994

The parameters of the Uniform Shear Model are estimated in the least-square sense

least-square-fit mann surface-layer-turbulence turbulence uniform-shear

Last synced: 23 Apr 2026

https://github.com/echeynet/ahp_windresources

Multicriteria decision analysis for wind resource assessment and environmental impact

Last synced: 23 Apr 2026

https://github.com/echeynet/klipp2018

The friction velocity is computed without the need to correct tilt angle errors using Klipp's method

friction-velocity matlab reynolds-stress-tensor

Last synced: 19 Jun 2025

https://github.com/echeynet/tallwindspeedprofiles

Tall wind profile validation of ERA5, NORA3 and NEWA, using lidar observations

atmosphere doppler-wind-lidar lidar offshore onshore remote-sensing wind wind-energy wind-resource-assessment

Last synced: 13 Jul 2026

https://github.com/echeynet/tiltcorrection

Tilt-correction algorithms for 3D sonic anemometers

Last synced: 16 Apr 2026

https://github.com/echeynet/excitation_sdof

Harmonic excitation of a SDOF

harmonic-oscillator matlab numerical-methods sdof vibration

Last synced: 11 Jun 2026

https://github.com/echeynet/eigenbridge

Eigenfrequencies and mode shapes of a suspension bridge are computed using a continuum model

eigen-frequencies mode-shapes suspension-bridges torsional vibrations

Last synced: 06 Jun 2026

https://github.com/echeynet/stationarytests

Matlab functions to test the stationarity of a random process

moving-window random-process reverse-arrangement-test stationarity stationary stochastic-processes

Last synced: 21 Apr 2026

https://github.com/echeynet/sst_hd

Matlab functions to import the high-resolution sea surface temperature data from the JPL OurOcean group

ocean-sciences oceanography sea-surface-temperature sst

Last synced: 21 Apr 2026

https://github.com/echeynet/condwindsim

Matlab code for conditional wind simulation in a 2D plane

Last synced: 24 Apr 2026

https://github.com/echeynet/echeynet

Config files for my GitHub profile.

config github-config

Last synced: 09 Feb 2026

https://github.com/echeynet/windsimfaster

WindSimFaster: WindSimFast, but faster

Last synced: 27 Jun 2025

https://github.com/echeynet/daisyworld

Daisyworld with greenhouse effects

Last synced: 10 Jul 2026

https://github.com/echeynet/fino1_turbulence1

anemometer energy fino1 marine-boundary-layer matlab offshore offshore-wind turbine turbulence wind

Last synced: 27 May 2026

https://github.com/echeynet/energi321_old_excercises

An archive of the python and Matlab codes used in ENERGI321 (2022-2025)

Last synced: 13 Apr 2026

https://github.com/echeynet/atmturbulence_energi322

Set of python functions for the course on random process and atmospheric turbulence in ENERGI322 (UiB)

Last synced: 25 Apr 2026

https://github.com/echeynet/moss_metal_deposition

Matlab scripts to extract and visualize data related to deposition of metal on dry moss in Norway

Last synced: 19 Feb 2026

https://github.com/echeynet/imaginarymast

An educational tool for processing wind turbulence data from 3D sonic anemometers mounted on a mast

atmosphere atmospheric-flows atmospheric-science boundary-layer-meteorology coherence eddy-covariance microscale sonic-anemometer turbulence wind wind-energy

Last synced: 09 Mar 2026

https://github.com/echeynet/fino1_nora3

Documentation of the dataset used in the paper "A one-year comparison of new wind atlases over the North Sea"

Last synced: 10 Jul 2026

https://github.com/echeynet/inpaint_nans_python

Conversion of John d'Errico's Inpaint_nans function from Matlab to Python.

inpainting inpainting-algorithm matlab python

Last synced: 18 May 2026

https://github.com/echeynet/aerodyn_energi321

Tutorial for the aerodyn software for teaching in ENERGI210

aerodynamics blade-element-momentum-theory education wind-energy wind-turbine

Last synced: 27 Apr 2026

https://github.com/echeynet/fitogive

Ogive function for turbulent flux characterization

Last synced: 25 Jun 2025

https://github.com/echeynet/lcoe

MATLAB LCOE analysis with examples for offshore wind, hydropower, and Monte Carlo simulations. Includes CAPEX, OPEX, inflation effects, and uncertainty analysis.

lcoe levelized-cost-of-energy wind-energy

Last synced: 16 Mar 2025

https://github.com/echeynet/virtualmast_unstable

A short set of functions to study surface layer fluxes and wind velocity spectra (simulated data) for wind engineering applications.

Last synced: 14 Jun 2025

https://github.com/echeynet/energi322_introduction_buffeting_theory

Matlab code used in the lecture introducing the buffeting theory

Last synced: 03 Jul 2026

https://github.com/echeynet/gaussian_to_nongaussian

A non-Gaussian distribution is generated from a Gaussian-distributed white noise

distribution gaussian-processes non-gaussian random-process stochastic-processes

Last synced: 06 Oct 2025

https://github.com/echeynet/flutterbridge_fd

The coupled flutter velocity of a single-span suspension bridge is computed in the frequency domain

dynamic-instability flutter frequency-domain matlab suspension-bridge wind-speed

Last synced: 21 Apr 2026