Re: force on pole (fwd from Yang)

[Tim Whitlatch <whitey@jlab.org>]

Thanks Elton. It looks like both programs show the force within 10% of 
each other.
How is Japan?

Cheers,

       Tim

Elton Smith wrote:
>
> ---------- Forwarded message ----------
> Date: Mon, 15 Dec 2008 23:26:36 -0000 (GMT)
> From: yangg@physics.gla.ac.uk
> To: whitey@jlab.org
> Cc: jstewart@jlab.org, halld-tagger@jlab.org
> Subject: Re: force on pole
>
> Dear Tim,
>
>    The force on a 6.3 m magnet is 240 tonnes. I passed this 
> information to
>    Jim months ago.
> Cheers
>
> yang
>
>
>> Yes I was confused. The 150 tonnes was for the 3.1 m magnets. There
>> would be 221 tonnes on a 6.3 m magnet from your ANSYS analysis. Yang,
>> do  you have new numbers from your TOSCA analysis for the 1 piece
>> magnet?
>>
>> Tim
>>
>> Tim Whitlatch wrote:
>>> Hi Jim,
>>>
>>> This equates to about 150 tons over the 4 meters. This is what Yangs
>>> original calculation showed for a 2M magnet? I am assuming his
>>> analysis from 2006 was based on a 2 magnet design.
>>>
>>> Tim
>>>
>>> Jim Stewart wrote:
>>>> Hi Tim
>>>>
>>>> I told ANSYS to compute the y component of the force on the flat
>>>> surface of the TOP pole tip.
>>>> The force for this ~1m long surface is -3.445e+005 N. The downstream
>>>> boundary condition was placed at z=1m.
>>>> Is this about what you expect?
>>>>
>>>> Jim
>
>
>
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