General Mechanical

General Mechanical

Modal analysis of a water tank

    • apr95
      Subscriber
      Hi, i'm trying to do a modal analysis of a water tank but i'm having some problems and i got stuck. first I'd tried to follow as example a model that i bought and it seems very simply, but my model didn't work, then i read (in another ansys forum) that modal acoustic could work, but again it didn't work for me. So i don't know what could be the problem. i know that fluid80 element is not longer able to be used in a modal analysis. nAlso, i'm using ansys student version (2020), do i have to use an extension if i want to use the modal acoustic analysis?.nthanks a lotnhttps://drive.google.com/drive/folders/1HIled2DbwCJqKgUiRJSd8rSwZ7dEBTyU?usp=sharingn
    • peteroznewman
      Subscriber
      n1) You only put the .wbpj file in your Google drive. That is useless without the _files folder of the same name. Open the project in Workbench and use the File, Archive menu selections to create a .wbpz file. That puts both of those into a single file. If you put your .wbpz file in a .zip file, you can use the attach button and attach it to your reply.n2) Which version of 2020 are you using, R1 or R2?n3) Which Forum post were you reading? Copy the URL link and paste that in your reply.n4) Which website was selling a solved example? Copy the URL link and paste that in your reply.n5) The FLUID80 element is not in the element library for ANSYS2020. Look at the FLUID220 and 221 elements instead.n6) You don't need any extensions to solve a modal acoustics problem in ANSYS2020n
    • apr95
      Subscriber
      n1) https://drive.google.com/drive/folders/1l53vEI3MEI9ndpi2yvvZPTg7MKP74YDi?usp=sharing , maybe you could give me your email to sent you the model that i bought.n2) i'm using ansys 2020 r1n3) https://forum.ansys.com/discussion/comment/58896#Comment_58896n https://forum.ansys.com/discussion/16975/modal-analysis-for-a-conical-shaped-water-tankn4) https://vmasshtabe.ru/cae/raschet-sobstvennyih-chastot-rezervuara-s-zhidkostyu.htmln5) yesn6) oknthanks for helpingn
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