Modal analysis error

forestis

I merged the components of the frame with boolean solid edit and then i meshed the geometry with tetramesh. I want to make a modal analysis.

<?xml version="1.0" encoding="UTF-8"?>

PrasannaK

Hi,

Please find the attached pdf for your reference. 

You can also check the tutorial form help section: https://altairhyperworks.com/hwhelp/Altair/2019/help/os/topics/solvers/os/modal_analysis_setup_r.htm?zoom_highlightsub=modal+analysis 

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forestis

I Have read this tutorial and i know the process for modal analysis.The problem is that i merge the components of the assembly with boolean function...something is going wrong.It would be helpfull if you could explain to me the output error.

 

Tommy_21858

You have not assign an property to you CTETRAs. The third block in your CTETRA card is '0', which is not allowed.