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Validation of dispersion simulations using PDR-FOAM - ukelg

Validation of dispersion simulations using PDR-FOAM - ukelg

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THE MAIN PROBLEM<br />

Have two desires:<br />

Would like to do enough gas <strong>dispersion</strong> calculations to properly<br />

characterise the gas build-up exceedance curve.<br />

Would like each calculation to be accurate.<br />

These two desires pull in opposite directions:<br />

Using a Monte Carlo approach, over a thousand <strong>dispersion</strong><br />

calculations may be required.<br />

CFD calculations have, historically, been too slow to allow this.<br />

Copyright <strong>of</strong> Shell Research Ltd<br />

October 2012 8

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