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~ .......... ~ ~ - - -- .. ~~ -- .... ..... .., - .. - ... ...., .... IX. ADYNAMIC HESEHV01H SIMULATION MODEL-DYHESM:5 i\ 311 c. transverse and longitUdinal direction playa secondary role and only the variations) ." I in the vertical enter lhe first order balances of mass, momentum and energy. 1/ I Departures from this Stilte of horizontalisopyc'nalsare possible, but these \ tI l A DYNAMIC RESERVOIR SIl\olULATION MODEL enter only as isolated events or as \I/eak pe.!lurbatiQ.D.S. In both cases the.•net eJJ;cJ,J CI DYRESM: 5 is e~plured wi(h a parame!efizalion of their inp,ut (0 the vertical s(rUelure"iiild , ) I comparison of the model prediction and field data must thus be confined to ~ ~ .....of.............,.calm when the structure is truly one-dimensional. lorg 1mberger and John C.. Pattetsun .. ~ ,. The constraints imposed by ~uch a one-dimer.:Jional model may best be University of Western Australia quantified by defining a series of non-dimensional llUmbers. The value of the Nedlands, Western Australia Wedderburn number :) LV =.i.!!.. h (.J" I I '( 14.2 • L- '7 y(l .. n, (I) , \ ..,' I / 1. INTRODUCTION where g' is an effective reoufed gravity across the thermocline, h the depth of the mixed layer, L the basin scale, and u· the surface shear velocity, is a measure of """·".',j<}·,t-·;~·'",,,"~~,'ti The dynamic reservoir simulation model, DYRESM, is a one-dimensional the activity within the mixed layer. Spigel and Imberger (I980) have shown thah, numerical model for the prediction of temperature and salinity in small to medium for W > 00) the departure fmm one-dimensionality is minimal and for I ':I sized reservoirs and Jakes.
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