Recent content by incensus

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    COMSOL : damped vibration analysis of a cantilevered beam

    Hi Nick; There are two damping options : No damping and Rayleigh damping.. I choose "no damping". I know that Rayleigh damping is the combination of mass and stiffness but i don't choose it. There is no initial displacement or any wave input. Only a force input(which is almost a impulse...
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    COMSOL : damped vibration analysis of a cantilevered beam

    Hi.. I'm trying to do the damped vibration analysis of a cantilevered beam. Although i am choosing no damping in subdomain settings menu, it solves the problem as if the material is damped (the result is a damped vibration signal). Is this is a bug or am i missing something? Thanks in advance
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    Comsol Transient Vibration Analysis

    I defined a function for the force input (at the options menu).. i thought it worked.. but still the output waveform is not correct(not a full sinusoid.. a more like saw signal.. and although there is no damping, its a damped signal..) help : \
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    Comsol Transient Vibration Analysis

    hi all.. How can i describe initial conditions or initial forces in comsol(like wave forms such as ramp or parabolic)? I couldn't find it in the manual. in ansys, i do it in time steps(in solution options).(like t=0, F=10 t=0.001 F=0) I tried to give initial displacements to the points but...
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    MATLAB COMSOL : a problem about self-varying() subdomain IDs in Comsol with Matlab

    Problem solved.. subdomain IDs can be read by FIND(x) command from st variable
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    MATLAB COMSOL : a problem about self-varying() subdomain IDs in Comsol with Matlab

    Hi all; I'm trying to write a script that automatically generates a geometry and does the analysis in a for-next loop. It changes specified geometry properties in a for-next step like scaling the geometry. But I've got a problem about subdomain IDs. Although the main geometry isn't changed...
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