Submitted

Automated Frequency Domain Decomposition (AFDD)

Modal parameters identification from ambient vibrations measurement using the FDD

1 year ago | 17 downloads |

Submitted

Operational modal analysis with a single accelerometer

The eigenfrequencies and damping ratios of a line-like structure are identified using a single accelerometer

1 year ago | 10 downloads |

Submitted

Fitting the Uniform Shear Model to real data

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

2 years ago | 1 download |

Submitted

Uniform shear model including atmospheric stability

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

2 years ago | 1 download |

Submitted

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...

2 years ago | 2 downloads |

Submitted

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...

2 years ago | 3 downloads |

Submitted

Ogive function for turbulent flux characterization

A simple example of the computation and fitting of the ogive function for atmospheric turbulence

2 years ago | 1 download |

Submitted

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

2 years ago | 4 downloads |

Submitted

DaisyWorld with greenhouse effect

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

2 years ago | 3 downloads |

Submitted

Fitting the co-coherence of turbulence

A set of Matlab functions to fit the co-coherence of turbulence with empirical models.

2 years ago | 2 downloads |

Submitted

Stationarity test

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

2 years ago | 6 downloads |

Submitted

Wind field simulation (text-based input)

Simulation of spatially correlated wind velocity time-histories

2 years ago | 12 downloads |

Submitted

Buffeting response of a suspension bridge (frequency domain)

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

2 years ago | 5 downloads |

Submitted

eigen-value calculation of continuous beams

Compute the eigenfrequencies and mode shapes of a continuous beam with different boundary conditions

3 years ago | 4 downloads |

Submitted

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

3 years ago | 2 downloads |

Submitted

Sonic anemometer tilt correction algorithm

The 3 wind components are retrieved from a tilted anemometer using 3 different algorithms

3 years ago | 2 downloads |

Submitted

Mathematical modelling of an outbreak of zombie infection

How long will humanity survive to zombiism ?

3 years ago | 3 downloads |

Submitted

Averaging noisy data into bins

The function binAveraging smoothes noisy power spectral density estimates or simply average scattered data into bins

3 years ago | 5 downloads |

Submitted

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.

3 years ago | 8 downloads |

Submitted

Converting acceleration to displacements records

The Discrete Fourier transform is compared to the double integration technique when transforming acceleration to displacement re...

3 years ago | 13 downloads |

Submitted

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

3 years ago | 19 downloads |

Submitted

Earthquake simulation and fitting

Ground acceleration records are simulated using the non-stationnary Kanaiâ€“Tajimi model

3 years ago | 9 downloads |

Submitted

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...

3 years ago | 41 downloads |

Submitted

Numerical implementation of the uniform shear model

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

3 years ago | 2 downloads |

Submitted

Wind rose as a scatter plot

Plot a wind rose as a scatter plot

3 years ago | 7 downloads |

Submitted

Evolutionary Power Spectral Density (EPSD)

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

3 years ago | 4 downloads |

Solved

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>> ...

4 years ago

Solved

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>> ...

4 years ago

Solved

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...

4 years ago

Solved

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...

4 years ago