<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hello<div class=""><br class=""></div><div class="">I could be wrong here…</div><div class=""><br class=""></div><div class="">The pressure exerted on the wall is equal and opposite to the pressure the wall exerts on the fluid. So the pressure on the west cell minus the east cell will tell you the pressure exerted on the wall. Some considerations</div><div class="">1) The pressure on the edge cells is calculated in the middle of the cell. You likely want to extrapolate to the edge of the cell </div><div class="">2) There is ambiguity about if this pressure gradient can be attributed to forcing on the east wall or west wall. If your fluid is quiescent to the east, its likely safe to assume its pushing on the west. But you still need to consider the pressure on the east wall to get the gradient, especially since this is a buossinesq model</div><div class=""><br class=""></div><div class="">-Matt</div><div class=""><br class=""></div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Oct 31, 2018, at 7:01 AM, Павел Лобовиков <<a href="mailto:plobovikov@gmail.com" class="">plobovikov@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><i class="">Hi folks!<br class=""><br class="">Can anybody tell me please how I can to calculate the pressure on the wall?<br class=""><br class="">I use MITgcm for reproducing laboratory experiment with internal wave generation in a hydrodynamic tray, and I need to calculate pressure that the wave exerts on the wall during the interaction.<br class=""><br class="">Thanks!</i></div>
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