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Scientific Computing Home Assignment #3
Dr. Guy Tel-Zur
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3D Self Avoidance Walk Goal: Simulate a 3D Self Avoidance Random Walk (SAW), i.e. Non-Intersecting path. Find the relation between <r2> and t, i.e RMS distance vs. time.
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Settings Do 3000 walks (time steps)
Use a 3-dimensional 500X500X500 grid Repeat the exercise 10 times and average the results
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Computational Tools and Methods
Write your code in C Install personal condor on your laptop Execute the 10 repetitions using Condor Pay attention to the random number generator’s seed
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Make a Plot Make a plot of <r2> vs. t
Do a fit and find ν for the expression: <r2> ~ A tν
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Bonus Save the problem domain (grid) in Silo format
Make a movie of the SAW growth using VisIt by taking snap shots of the grid at several time steps, e.g. every 150 times steps.
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More instructions Submit: Send To be submitted to: gtelzur@gmail.com
Source code Condor submit file Plots VisIt movie (if file is not too big) Documentation Send To be submitted to: Due: End of course
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