[PSUBS-MAILIST] exotic steel

[Sean T Stevenson via Personal_Submersibles]

The program isn't ready for public release, although the spherical shell module works fine.  Before I release it, I'll add in the archaic units for the benefit of those in Myanmar, Liberia and the United States.

Sean


On May 1, 2015 9:56:00 AM MDT, Jon Wallace via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>Yes, I used .8 as the usage factor for a516-70.  Until you know what
>the 
>minimum thickness of a formed head is the numbers have to be considered
>
>approximate anyway.  For example, .75 inch HY-100 will clearly get
>Scott 
>where he wants to go, but I don't know if that would require 1 inch 
>plate or 1.25 inch plate to ensure a minimum thickness of .75 inch
>after 
>forming.
>
>I like your program Sean.  Looks like there's a bug in it 
>though...everything displayed in metric.  :)  Where do I make a 
>"feature" request for english unit output?
>
>Jon
>
>
>On 5/1/2015 11:44 AM, Sean T. Stevenson via Personal_Submersibles
>wrote:
>> FYI:  This is for a 72" sphere with 1.25" thick material.  Where this
>
>> may differ from Jon's calculation is that the Usage Factor, eta, used
>
>> in this program is 0.67 as specified by ABS.  Jon apparently used
>0.8, 
>> which increases conservatism.
>>
>> Sean
>>
>>
>>
>>
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