[PSUBS-MAILIST] K3000 spherical shell calculations

[Sean T. Stevenson]

I would need material properties of both materials, volume fraction of each, and composite lay-up (fiber orientations and layer thicknesses).

I'm not sure how to account for lay direction on a sphere, though.

Sean


On April 10, 2014 10:34:00 AM MDT, "Carsten Standfuß " <MerlinSub at t-online.de> wrote:
>Okay Sean.. and now again with carbon fiber ín a ceramic matrix..
>
>:-O & :-) vbr Carsten 
>
>"swaters" <swaters at waters-ks.com> schrieb:
>> Wow. Thanks Sean. I really appriciate the calculations!
>Thanks,
>Scott Waters
>
>
>
>
>Sent from my U.S. Cellular© Smartphone"Sean T. Stevenson"
><cast55 at telus.net> wrote:Scott, my pressure hull optimization software
>project has been sitting idle on the back burner for some time now. 
>Nevertheless, some of the modules work, so I ran your numbers through
>the spherical shell calculator.  The results shown below are in
>compliance with the most recent ABS rules, with no additional safety
>factor added.  I used your 6' dimension as the inner diameter, and
>incremented shell thickness 0.0001 m at a time until the desired
>working
>depth was reached.  Executive summary:  0.0378 m (1.4882 in) for A516
>gr
>70, and 0.0208 m (0.8189 in) for HY-80.  Details below:
>
>
>
>
>
>Let me know if you want to run additional scenarios.
>
>Sean
>
>
> 
>
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-- 
Sent from Kaiten Mail. Please excuse my brevity.
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