<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="">Hi Jeremy,<div class=""><br class=""></div><div class="">It would be helpful to know what you are trying to simulate. Overall, I have found internal waves are best set using a wide sponge (L\sim mode-1 wavelength) either with obcs or with rbcs packages.</div><div class=""><br class=""></div><div class="">Cheers, Jody <br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 25 May 2021, at 00:14, Jeremy Miller <<a href="mailto:jeremysharonmiller@gmail.com" class="">jeremysharonmiller@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Dear MITgcm forum,<div class=""><br class=""></div><div class="">I'm sorry for sending multiple emails. The above error I did resolve. I would still be happy to learn what the default OBCs are, and how to custom create OBCs.</div><div class="">Best</div><div class="">Jeremy</div><div class=""><br class=""></div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, 25 May 2021 at 08:50, Jeremy Miller <<a href="mailto:jeremysharonmiller@gmail.com" class="">jeremysharonmiller@gmail.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" class="">Dear MITgcm forum,<div class=""><br class=""></div><div class="">Hope everyone's well. Following yesterday's email and reading Section 8.3.1.4.1 of the docs I attempted to change the file data.obcs myself, because I wanted to move from the default grid to Nx ✕ Ny = 120 ✕ 60 . Accordingly I changed data.obcs to</div><div class=""><br class=""></div><div class=""># Open-boundaries<br class=""> &OBCS_PARM01<br class=""> OB_Ieast = 60*-1,<br class=""> OB_Iwest = 60*1,<br class=""> OB_Jnorth = 120*-1,<br class=""> OB_Jsouth = 120*1,<br class=""> &<br class=""></div><div class=""><br class=""></div><div class="">After running I get this error:</div><div class=""><br class=""></div><div class="">At line 2509 of file obcs_readparms.f (unit = 11, file = 'scratch1.000000000')<br class="">Fortran runtime error: Cannot match namelist object name c<br class=""></div><div class=""><br class=""></div><div class="">Please, could you advise.</div><div class=""><br class=""></div><div class="">Best</div><div class="">Jeremy</div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 24 May 2021 at 13:27, Jeremy Miller <<a href="mailto:jeremysharonmiller@gmail.com" target="_blank" class="">jeremysharonmiller@gmail.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr" class="">Dear MITgcm forum,<div class=""><br class=""></div><div class="">Hope all are well. I want to input open boundary conditions (OBCs) for the internal wave verification. I have a few questions.</div><div class=""><br class=""></div><div class="">1. What are the default OBCs ? </div><div class="">2. How does one change the OBCs? I was reading through obcs_calc.F and I found it somewhat difficult to understand (not coming with a Fortran background).</div><div class="">3. Is it possible to output the OBCs from a short python snippet? </div><div class=""><br class=""></div><div class="">Best</div><div class="">Jeremy Miller</div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><br class=""></div></div>
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<div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; color: rgb(0, 0, 0); font-family: "Lucida Sans Typewriter"; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-indent: 0px; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px;"><div style="word-wrap: break-word;" class=""><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; color: rgb(0, 0, 0); font-family: "Lucida Sans Typewriter"; font-size: 12px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-indent: 0px; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px;"><div class="">--</div><div class="">Jody Klymak </div><div class=""><a href="http://ocean-physics.seos.uvic.ca/~jklymak/" class="">http://ocean-physics.seos.uvic.ca/~jklymak/</a></div><div class=""><br class="khtml-block-placeholder"></div><div class=""><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></div></span></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">
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