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No but possible +
No but possible +
No but possible +
Single Processor +
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21:45:51, 11 February 2010 +
Input parameters:
* Geometrical parameters: Nx, Ny, domain size
* Flow Parameters: Reynolds, Peclet
* Particle Parameters: Settling velocities.
The complete list of input parameters is set and described in the file input.inp +
Incompressible flow equations: Navier-Stokes with or without Boussinesq approximation. Transport equation to describe the motion of particles (or Salanity or Temperature). +
With the current version of the code (DNS and no turbulence model) we are restricted to low Reynolds numbers. Up to maximum 10,000. +
It can output local velocity, vorticity, c … It can output local velocity, vorticity, concentration, stream-function, and all derivatives of velocity necessary to calculate dissipation, viscous momentum diffusion, kinetic energy flux, work by pressure forces, and change in kinetic energy. These quantities are written out in a binary file.</br></br> It also has routines for calculating the local height profile and tip position of gravity currents and internal bores, which are outputted every time step and stored as ASCII txt files.y time step and stored as ASCII txt files. +
The data is written out to binary files. I have a file called dataconv that converts the binary files to a format readable by the visualization software paraview. I also often use MATLAB to do post-processing on the data in the binary files. +
Any type of turbidity (or gravity) currents could be modeled with this code. I also use it for modeling internal bores. +
A parameter called the CFL number controls … A parameter called the CFL number controls the time step in relation to the spatial scales. For boussinesq simulations, a CFL number of 0.2 is usually sufficient for code stability. However, for the non-boussinesq simulations, I usually have to lower the CFL number to around 0.05. It's really just a bit of trial and error though.ally just a bit of trial and error though. +
High order two dimensional simulations of turbidity currents using DNS of incompressible Navier-Stokes and transport equations. +
Zachary +
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ASCII +
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0 +
Typical ratio: 2,000,000 nodes requires 1 Gbyte +
Coastal +
As code +
Single +
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02:17:37, 17 September 2020 +
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2D Numerical Simulation of Turbidity Currents +
Engr II Bldg, Room 2301 +
Mechanical Engineering Department, UC Santa Barbara +
93106 +
false +
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GPL v2 +
Anywhere from minutes to days depending on the resolution +
2000 +
Model developer +
Matlab +
Paraview +
