Exercise #6


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  • Problem - The multiple particle release tutorial showed that when the particle number was increased from 100 to 1000 and then again from 1000 to 10000, each time the maximum concentration decreased by half during the last sampling time period (0500). The 100,000 particle simulation was not shown, but the maximum concentration only decreased by 10% from the 10000 particle simulation, suggesting that the 10,000 particle release was sufficient. What particle number would be sufficient if the concentration grid was increased from 0.05 to 0.10 degrees?

  • Hint - Retrieve conc_test_control.txt and conc_test_setup.txt and reconfigure.

  • Solution - concplot.ps is similar to the previous 10,000 particle 0.05 deg grid simulation.