Fixing post load for acceleration signal with Savitzky-Golay filter
There are essentially two main approaches to converting acceleration to displacement signal: (1) double integration as wisely me...
mehr als 3 Jahre vor | 0
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Variable eddy viscosity Ekman layer in the ABL (1D)
Ekman's equations in the atmospheric boundary layer are solved for a horizontally homogeneous flow and a height-dependant eddy v...
mehr als 3 Jahre vor | 100 Downloads |
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Wind turbulence in the neutral and unstable surface-layer
A short set of functions to study surface layer fluxes and wind velocity spectra (simulated data) for wind engineering applicati...
mehr als 3 Jahre vor | 321 Downloads |
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Non-Gaussian process generation
A non-Gaussian random process is generated from a Gaussian-distributed white noise
mehr als 3 Jahre vor | 978 Downloads |
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Dynamic response of a line-like structure to a random load
The dynamic displacement response of a line-like structure to an uncorrelated Gaussian white noise input is computed in the time...
mehr als 3 Jahre vor | 760 Downloads |
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Harmonic excitation of a SDOF
Implementation of some numerical methods to study forced vibrations of a SDOF in the time domain.
mehr als 3 Jahre vor | 2078 Downloads |
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Flutter velocity of a suspension bridge
The coupled flutter velocity of a single-span suspension bridge is computed in the frequency domain
mehr als 3 Jahre vor | 316 Downloads |
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One-point random process generation
Minimalist Matlab implementation of a random process generation in one point using the spectral method
mehr als 3 Jahre vor | 257 Downloads |
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Wind field simulation (the fast version)
A three-variate spatially correlated turbulent wind field is simulated in three dimensions.
mehr als 3 Jahre vor | 1610 Downloads |
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Automated Frequency Domain Decomposition (AFDD)
Modal parameters identification from ambient vibrations measurement using the FDD
mehr als 3 Jahre vor | 4054 Downloads |
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Operational modal analysis with a single accelerometer
The eigenfrequencies and damping ratios of a line-like structure are identified using a single accelerometer
mehr als 3 Jahre vor | 633 Downloads |
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Fitting the Uniform Shear Model to real data
The parameters of the Uniform Shear Model are estimated in the least-square sense
fast 4 Jahre vor | 156 Downloads |
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Uniform shear model including atmospheric stability
Numerical implementation of the uniform shear model including stability by Chougule et al. (2018)
fast 4 Jahre vor | 86 Downloads |
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Automated vehicle identification using bridge vibrations
Vehicle-induced vibrations of a suspension bridge are used to automatically identify the mass, speed and arrival time of the veh...
fast 4 Jahre vor | 293 Downloads |
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Met-ocean data extraction with NORA3
Hourly 2D wave spectra and instantaneous wave field from WINDSURFER/NORA3 (3 km grid) database are extracted using the OPeNDAP f...
fast 4 Jahre vor | 101 Downloads |
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Ogive function for turbulent flux characterization
A simple example of the computation and fitting of the ogive function for atmospheric turbulence
etwa 4 Jahre vor | 120 Downloads |
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A note on the calculation of the length scales of turbulence
Matlab functions to compute some of the turbulence length scales in the atmospheric boundary layer
etwa 4 Jahre vor | 298 Downloads |
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Fitting the co-coherence of turbulence
A set of Matlab functions to fit the co-coherence of turbulence with empirical models.
mehr als 4 Jahre vor | 105 Downloads |
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Stationarity test
The stationarity of a time series is evaluated by using the reverse arrangement test or moving-window functions
mehr als 4 Jahre vor | 1218 Downloads |
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Wind field simulation (text-based input)
Simulation of spatially correlated wind velocity time-histories
mehr als 4 Jahre vor | 3733 Downloads |
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Buffeting response of a suspension bridge (frequency domain)
The dynamic response of a suspension bridge to wind turbulence is computed in the frequency domain.
mehr als 4 Jahre vor | 1292 Downloads |
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eigen-value calculation of continuous beams
Compute the eigenfrequencies and mode shapes of a continuous beam with different boundary conditions
etwa 5 Jahre vor | 1672 Downloads |
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Friction velocity estimation from the Reynold stress tensor
The friction velocity is computed from sonic anemometer data without the need to correct tilt angle errors
etwa 5 Jahre vor | 198 Downloads |
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Sonic anemometer tilt correction algorithm
The 3 wind components are retrieved from a tilted anemometer using 3 different algorithms
etwa 5 Jahre vor | 235 Downloads |
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Mathematical modelling of an outbreak of zombie infection
How long will humanity survive to zombiism ?
etwa 5 Jahre vor | 956 Downloads |
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Averaging noisy data into bins
The function binAveraging smoothes noisy power spectral density estimates or simply average scattered data into bins
etwa 5 Jahre vor | 432 Downloads |
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Mode shapes extraction by time domain decomposition (TDD)
The modal parameters of a line-like structure are estimated in the time domain using displacement records only.
etwa 5 Jahre vor | 2924 Downloads |
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Converting acceleration to displacements records
The Discrete Fourier transform is compared to the double integration technique when transforming acceleration to displacement re...
etwa 5 Jahre vor | 839 Downloads |
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Damping ratio estimation from ambient vibrations (SDOF)
The modal damping ratio of a Single-Degree-of-Freedom (SDOF) System is estimated using ambient vibrations data
etwa 5 Jahre vor | 2952 Downloads |
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Earthquake simulation and fitting
Ground acceleration records are simulated using the non-stationnary Kanai–Tajimi model
etwa 5 Jahre vor | 2554 Downloads |
