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Loading a beam

Posted Jan 9, 2013, 3:23 p.m. EST Modeling Tools & Definitions, Parameters, Variables, & Functions, Studies & Solvers, Structural Mechanics 1 Reply

Jorge Bazan
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In structural mechanics module, with Edge load I can Loading a beam with a rectangular load pattern, but I don´t I realize how i´ll loading with another load form like a triangle or another function... Can someone help me?

Kind Regards
1 Reply Last Post Jan 11, 2013, 2:29 a.m. EST
Henrik Sönnerlind COMSOL Employee

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Posted: 1 decade ago Jan 11, 2013, 2:29 a.m. EST
In the text field for the load intensity you can write any expression. As an example 1E5*(17-x) would give a load decreasing linearly with the x coordinate.

If you want a load active only between some specific locations (e.g. a 'trapezoidal' load) you can combine with logical expressions, as 1E5*(17-x)*(x>5)*(x<15).

Regards,
Henrik
In the text field for the load intensity you can write any expression. As an example 1E5*(17-x) would give a load decreasing linearly with the x coordinate. If you want a load active only between some specific locations (e.g. a 'trapezoidal' load) you can combine with logical expressions, as 1E5*(17-x)*(x>5)*(x

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