Recent content by twarner

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    Is an Impact Hammer Setup Suitable for Lightweight Modal Analysis?

    I've been trying to decipher some textbooks on vibration. The problem is that I can't find a straightforward method for how to perform these hand calculations. Mainly I don't know what type of assumptions to make for my system. For example, is it free or forced vibration?, can I assume it's...
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    Is an Impact Hammer Setup Suitable for Lightweight Modal Analysis?

    Like i said, I have never done any work in vibration and have no idea what types of hand calculations I would need. I will attempt to do some research on that. Maybe you can answer this question, what is the differenct between a FFT spectrum, and a FRF function? I am able to generate a FFT...
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    Is an Impact Hammer Setup Suitable for Lightweight Modal Analysis?

    Hello, I need some help with setup/equipment used for a study to determine the natural frequencies on some small, lightweight samples (12in x 1.5in x .12 in.) in a catilever beam setup. The samples are made of carbon fiber and kevlar so they are fairly flexible to begin with. I am working on...
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