] [Thread] [Date] [Author]

[Christopher Wright <chrisw(--nospam--at)skypoint.com>]

On Jun 7, 2005, at 11:09 AM, Tom Barsh @ Codeware wrote:

> What qualifies as a "dynamic analysis" for response of a structure to 
> an
> earthquake?
In theoretical terms when the frequency of the loading is something 
near the frequency of the structure. There are various approximations 
like assuming the structure has only one natural frequency or 
amplifying the loading to include inertial loading which aren't 
strictly speaking 'dynamic analysis,' but close enough for practical 
purposes. When you use the approximations you need to know something 
about your assumptions.
Christopher Wright P.E. |"They couldn't hit an elephant at
chrisw(--nospam--at)skypoint.com   | this distance" (last words of Gen.
.......................................| John Sedgwick, Spotsylvania 
1864)
http://www.skypoint.com/~chrisw/


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