Solid and Fluid motion with eigenfrequency study
Hello, I made a very simple geometry in 2D, such as the cross-section of a microcapillary. I want to find some eigenfrequency which can make a few modes on a microcapillary. So, for the shell I used...
View ArticleEigenfrequency analysis problem
Hi, I'm dealing with a nano rod vibration. I want to know the displacement of some point on the eigen mode. (0.5 L, 0.125 L, .....) However, I found that I can't find the same value that is I will get...
View Articlesome question in eigenfrequency .
Hi I used solid mechanics modeI and I have some confusions about the eigen frequency,so can you give some sugggestions?Any reply I will be very grateful. Questions： 1、I just used solid mechanics mode...
View ArticleEigenvalue Solver Warning
Hello, I am running the eigenfrequency study in the Acoustics module, and received a warning in Comsol that I have previously not encountered:"Extra interior eigenvalue found. Decrease the size of the...
View ArticleHow to set orientation of silicon
I would like to simulate 3D solid mechanics eigenfrequency study, with just simple rectangular waveguide. My rectangular waveguide is just 400um x 80um x 40um, I set Fixed constraints at both end, and...
View ArticleEigenfrequencies
Hej I did a eigenfrequency analysis of a simple supported beam in COMSOL and matlab. Although I get the exact same (almost the same) results from both programes, there is still a difference in the...
View Articleeigenfrequency study wineglass model (water-glass boundary condition)
Hello, I am studying how the eigenfrequencies of a wineglass change when you add differents amounts of water to the glass. I can easily model it when the glass is empty (without any water) and get the...
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