?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%2F685%2F&rft.title=Optimisation+of+bulk+carrier+loading+and+discharge&rft.creator=Cimpeanu%2C+R.&rft.creator=Devine%2C+M.&rft.creator=Donohue%2C+J.&rft.creator=Hocking%2C+G.&rft.creator=Holohan%2C+N.&rft.creator=McCarthy%2C+S.&rft.creator=van+Wijk%2C+S.&rft.subject=Machines+%2F+Production&rft.subject=Materials&rft.description=This+report+summarises+progress+made+towards+the+problem+submitted+by+Rusal+Aughinish+at+the+93rd+European+Study+Group+with+Industry.+Rusal+Aughinish+is+a+company+that+refines+alumina+from+bauxite.+The+problem+presented+to+the+study+group+was+to+review+the+percentage+of+time+that+the+company%E2%80%99s+inner+berth+was+occupied+and+how+to+minimise+this+percent-+age.+A+number+of+different+approaches+were+taken+with+this+aim+in+mind.+Firstly%2C+data+supplied+by+Rusal+Aughinish+was+analysed.+This+analysis+found+that+there+is+an+optimal+loading+rate+(with+respect+to+eliminating+demurrage+costs)+and+suggested+bands+of+optimal+ship+sizes.+Further+to+these+studies%2C+two+models+of+Rusal+Aughinish%E2%80%99s+shipping+process+were+developed+by+the+group%3A+a+simulation+model+and+an+analytical+model.+Both+models+were+found+to+replicate+the+shipping+process+reasonably+well+and+were%2C+hence%2C+used+to+study+alumina+output%2C+berth+occupancy+and+demurrage+costs.&rft.date=2013&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%2F685%2F1%2FAughinish_Report_ESGI93_final.pdf&rft.identifier=++Cimpeanu%2C+R.+and+Devine%2C+M.+and+Donohue%2C+J.+and+Hocking%2C+G.+and+Holohan%2C+N.+and+McCarthy%2C+S.+and+van+Wijk%2C+S.++(2013)+Optimisation+of+bulk+carrier+loading+and+discharge.++%5BStudy+Group+Report%5D+++++