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NATURAL FREQ OF CANTILEVER PIER

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I assume you will have no difficulty finding
the formula for a NF of a cantilever. The problem may be
its base, which by nature is deformable.
You will have to increase the basic flexibility by adding translation
and rotation of the base.
 
Sincerely, Gregory
 
Dr Gregory Szuladzinski
Analytical Service Pty Ltd
5 Warwick St
Killara/Sydney
Australia 2071
T: 612 9418-1842
E: ggg(--nospam--at)bigpond.net.au
 
From: "Rich Lewis" <sea(--nospam--at)lewisengineering.com>
To: <seaint(--nospam--at)seaint.org>
Subject: Pier Natural Frequency

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I have a requirement to have a cantilever pier supporting a machine to
have a natural frequency greater than 50 Hz.  How do you calculate the
natural frequency of a cantilever pier?
 
Rich Lewis
Lewis Engineering