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- To: seaoc(--nospam--at)power.net
- Subject: [SEAOC] Re: [SEAOC] Impact Loads
- From: Frank Woeste <fwoeste(--nospam--at)vt.edu>
- Date: Wed, 02 Oct 1996 10:27:23 +0600
I would worry more about the glass than the columns. Energy may not work well because the mammal is compressed. This is an interesting problem. I would go look at an large mammal aquariam that's been around for 15-20 years! Frank Woeste, P. E. At 12:35 AM 10/2/96 -0800, you wrote: >I am working on designing a series of columns that are designed to >support glass walls that will contain marine mammals. The >specifications give the masses and velocities of the various animals, >but not the methods of calculating the impact forces of these animals >against the wall. It was recently decided by the group of interested >parties that using the kinetic energy of the animal and allowing it to >deform a certain distance upon impact would be used to calculate the >force. Unfortunately, by using a energy method, the kinetic energy of a >bird at 50 mph is the same as a sea lion at 5 mph, so the walls could be >designed identically. Is there a better method to be used? One based >on momentum or previous animal studies. This is similar to what >aeonautical engineers do when designing aircraft to survive bird impacts >on windshield or engine fan blades. Any help would be appreciated. > >... > > Frank E. Woeste, Ph. D., P. E. Biological Systems Engineering Virginia Tech Blacksburg, VA 24061-0303 Home:(540)951-0469 Office:(540)231-6093 FAX:(540)231-3199 ...
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