Inviato


Automated Frequency Domain Decomposition (AFDD)
Modal parameters identification from ambient vibrations measurement using the FDD

quasi 2 anni fa | 28 download |

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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

quasi 2 anni fa | 12 download |

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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

quasi 2 anni fa | 2 download |

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

quasi 2 anni fa | 2 download |

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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...

circa 2 anni fa | 5 download |

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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...

circa 2 anni fa | 2 download |

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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

oltre 2 anni fa | 2 download |

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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

oltre 2 anni fa | 9 download |

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DaisyWorld with greenhouse effect
Matlab implementation of Daisyworld with greenhouse effects using Euler's method

oltre 2 anni fa | 5 download |

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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.

oltre 2 anni fa | 5 download |

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Stationarity test
The stationarity of a time series is evaluated by using the reverse arrangement test or moving-window functions

oltre 2 anni fa | 8 download |

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Wind field simulation (text-based input)
Simulation of spatially correlated wind velocity time-histories

oltre 2 anni fa | 27 download |

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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.

quasi 3 anni fa | 8 download |

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eigen-value calculation of continuous beams
Compute the eigenfrequencies and mode shapes of a continuous beam with different boundary conditions

oltre 3 anni fa | 13 download |

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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

oltre 3 anni fa | 3 download |

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Sonic anemometer tilt correction algorithm
The 3 wind components are retrieved from a tilted anemometer using 3 different algorithms

oltre 3 anni fa | 2 download |

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Mathematical modelling of an outbreak of zombie infection
How long will humanity survive to zombiism ?

oltre 3 anni fa | 2 download |

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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

oltre 3 anni fa | 5 download |

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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.

oltre 3 anni fa | 14 download |

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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...

oltre 3 anni fa | 10 download |

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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

oltre 3 anni fa | 19 download |

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Earthquake simulation and fitting
Ground acceleration records are simulated using the non-stationnary Kanai–Tajimi model

oltre 3 anni fa | 11 download |

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Operational modal analysis with automated SSI-COV algorithm
The modal parameters of a line-like structure are automatically identified using an SSI-COV algorithm applied to ambient vibrati...

oltre 3 anni fa | 42 download |

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

oltre 3 anni fa | 2 download |

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Wind rose as a scatter plot
Plot a wind rose as a scatter plot

oltre 3 anni fa | 7 download |

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Evolutionary Power Spectral Density (EPSD)
Compute the Evolutionary Power Spectral Density (EPSD) as an alternative to the spectrogram

oltre 3 anni fa | 5 download |

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Risolto


Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

circa 4 anni fa

Risolto


Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

circa 4 anni fa

Risolto


Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

circa 4 anni fa

Risolto


Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

circa 4 anni fa

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