


{"id":372910,"date":"2024-07-22T07:26:54","date_gmt":"2024-07-22T07:26:54","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/meshing-shell-and-tube-heat-exchanger\/"},"modified":"2024-07-22T07:26:54","modified_gmt":"2024-07-22T07:26:54","slug":"meshing-shell-and-tube-heat-exchanger","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/meshing-shell-and-tube-heat-exchanger\/","title":{"rendered":"Meshing Shell and Tube Heat Exchanger"},"content":{"rendered":"<p>Hi,<\/p>\n<p>I am currently trying to mesh a shell and tube heat exchnger with 786 tubes but have quartered the geometry so am able to run the sim using the student license. I need some help meshing as at the moment I am just trying to get an initial course mesh but am having trouble getting the node count down enough to be able to run it. When first meshing it was going upwards of 50 mil nodes but I have got it down to 1.6 mil. I just would like to know how I should be meshing it, I have used a sweep for the tubes (cold flow) and have been using body sizing and face sizing for the hot flow region. I have noticed that on the sides I have tried to get the sizing down where there is plenty of space for bigger elements, it has kept the element size small for some reason which is giving me too many nodes.&nbsp;<\/p>\n<p>I am fairly new to having to &#8220;manually&#8221; mesh in fluent so any&nbsp;help would be appreciated and lmk if any more info is needed.<\/p>\n<p><img decoding=\"async\" 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I need some help meshing as at the moment I am just trying to get an initial course mesh but am having trouble getting\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/meshing-shell-and-tube-heat-exchanger\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Meshing Shell and Tube Heat Exchanger | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"Hi,I am currently trying to mesh a shell and tube heat exchnger with 786 tubes but have quartered the geometry so am able to run the sim using the student license. 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