?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F249%2F&rft.title=Human+Decompression+Modelling&rft.creator=Hazelwood%2C+Vera&rft.creator=Byatt+Smith%2C+John&rft.creator=Fiedler%2C+Juliusz&rft.creator=Lacey%2C+Andrew&rft.creator=Leppinen%2C+David&rft.creator=Morones-Escobar%2C+Rafael&rft.creator=Pachon%2C+Ricardo&rft.creator=Please%2C+Colin&rft.subject=Medical+and+pharmaceutical&rft.description=At+present%2C+no+decompression+algorithm+is+able+to+predict+safe+decompression+for+all+dive+scenarios.+In+practice%2C+empirical+adjustments+are+made+by+experienced+organisations+or+divers+in+order+to+improve+decompression+profiles+for+the+range+of+depths+and+durations+needed+on+any+particular+dive.+Bubble+formation+and+growth+in+the+human+body+are+the+fundamental+causes+of+decompression+sickness%2C+and+it+is+believed+that+there+is+significant+scope+for+incorporating+better+modelling+of+these+processes+into+the+design+of+decompression+algorithms.%0D%0A%0D%0AVR+Technology+is+a+leading+supplier+of+technical+dive+computers.+The+company+is+interested+in+expanding+upon+an+existing+algorithm+(the+Variable+Gradient+Model+-+VGM)%2C+which+is+used+to+design+ascent+profiles%2Fdecompression+schedules+and+thereby+mitigate+the+risk+of+decompression+sickness+in+divers.%0D%0A%0D%0AThe+Study+Group+took+the+approach+of+trying+to+extend+the+existing+Haldane+model+to+account+more+explicitly+for+the+formation+of+bubbles.+By+extending+the+model+to+include+bubble+dynamics+it+was+expected+that+some+physical+understanding+could+be+gained+for+the+existing+modifications+to+some+of+the+parameters.+The+modelling+that+occurred+consisted+of+first+looking+at+the+Haldane+model+and+then+considering+a+single+small+isolated+bubble+in+each+of+the+compartments+and+interpreting+the+predictions+of+the+model+in+terms+of+decompression+profiles.&rft.date=2009&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F249%2F1%2FVRTechnology-Human.pdf&rft.identifier=++Hazelwood%2C+Vera+and+Byatt+Smith%2C+John+and+Fiedler%2C+Juliusz+and+Lacey%2C+Andrew+and+Leppinen%2C+David+and+Morones-Escobar%2C+Rafael+and+Pachon%2C+Ricardo+and+Please%2C+Colin++(2009)+Human+Decompression+Modelling.++%5BStudy+Group+Report%5D+++++