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group8 [2014/06/04 22:36] bartl |
group8 [2014/06/05 23:01] bartl update June 5 |
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* Velocity : vshock = 0 | * Velocity : vshock = 0 | ||
- Having succesfully performed the above two steps, we replced the steady cloud of gas with a source generating outgoing mass flow which basically represents 1d version of the solar wind. For the same, we introduced a velocity of 5 at the center in two oppisite directions and a density of 2. | - Having succesfully performed the above two steps, we replced the steady cloud of gas with a source generating outgoing mass flow which basically represents 1d version of the solar wind. For the same, we introduced a velocity of 5 at the center in two oppisite directions and a density of 2. | ||
- | - Finally we ended the day with hitting the schock wave onto the solar wind to see the interaction beteen the two. | + | - Finally we ended the day with hitting the shock wave onto the solar wind to see the interaction beteen the two. |
Date : 06/03/2014 | Date : 06/03/2014 | ||
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- Myself and Raditya, figured out the input parameters for the problem using Brian Field's paper on "Supernova Collisions with the Heliosphere". We tested those parameters on the 1D set-up for the problem, basically we replaced the random numbers we used on 06/02 with real numbers describing the problem in 1D format. | - Myself and Raditya, figured out the input parameters for the problem using Brian Field's paper on "Supernova Collisions with the Heliosphere". We tested those parameters on the 1D set-up for the problem, basically we replaced the random numbers we used on 06/02 with real numbers describing the problem in 1D format. | ||
- The resulting density, pressure and velocity plots in 1D looked reasonably good. So we gave those parameters to Alex to be used into the 2D code. | - The resulting density, pressure and velocity plots in 1D looked reasonably good. So we gave those parameters to Alex to be used into the 2D code. | ||
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+ | Date : 06/04/2014 | ||
+ | |||
- Changed the 2D inputs to more natural units ([L]=1 AU, [T]=1 yr, [M]=10^12 g) because VH-1 would crash when using the cgs system for our problem. | - Changed the 2D inputs to more natural units ([L]=1 AU, [T]=1 yr, [M]=10^12 g) because VH-1 would crash when using the cgs system for our problem. | ||
- Fixed an error in our input densities. | - Fixed an error in our input densities. | ||
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- Finally running a realistic simulation of the collision, now we are all set for producing a high-res video and a low-res parameter study tomorrow. | - Finally running a realistic simulation of the collision, now we are all set for producing a high-res video and a low-res parameter study tomorrow. | ||
+ | Date : 06/05/2014 | ||
+ | |||
+ | - Finalized our input parameters | ||
+ | - Generated high-res simulations (10x4 AU, 750x250 gridpoints) for the presentation | ||
+ | - Did a parameter study on a reduced grid (6x2 AU, 300x100 gridpoints) to determine the dependence of the penetration radius on the densities of the SNR and solar wind. | ||
+ | - Figured out how to create animated gifs / videos of the NetCDF files using [[https://wci.llnl.gov/codes/visit/|VisIt]] | ||
+ | - Created our presentation |