RE: Stress Analysis Spreadsheet Software - Opinions

From: <Geoff>
Date: Sun Feb 19 2006 - 16:08:00 EST


STeve,

   You could be a member of IMechE and get the benefits of that learned society. I am sure with yoiur experience you could be a Fellow without too much trouble.

   The problem I see is that if engineers do not support such bodies they will crumble and disappear. Where will the next generation be without a vibrant body such as this in the future? The same goes for ASME, IE Aust, AWWA etc. They will fall victim of the economic rationalism that we all had to have.

   Geoff

Steve McKenzie <Mechproj@xtra.co.nz> wrote:

   I use Excel for nearly all my eng calcs. Used Lotus123 before that and Visicalc on a Commodore (8"floppies - woohoo) which my eployer got so I could design FRP tanks using custom developed software, strangely enough.
Purchased mathcad when it first came out but never found the time to become proficient. However electrical engineers seemed to love it. Lotus was the best piece of software I had ever seen, and Excel was a solid if not somewhat bullying improvement. If I was restricted to one application it would be Excel - no contest.

Geoff, I was within a whisker of joining IEAust when I lived in Sydney - forms completed, referees signatures all done. Unfortunately circumstances dictated I return to NZ , and I found IPENZ or whatever they were called then did not have much to offer me.

So its Excel 2 , Mathcad 1

Cheers

Steve

-----Original Message-----
From: <a href="/group/PipingDesign/post?postID=zR2yAMvE17hPxtbnexHXzQ5eKDUfEF2higq8pP9Jy7dWLfJn2ePGzG6UWESfmNmTaWC-nalN844z4bZNhJqao0wfglg">PipingDesign@yahoogroups.com</a> [mailto:<a href="/group/PipingDesign/post?postID=zR2yAMvE17hPxtbnexHXzQ5eKDUfEF2higq8pP9Jy7dWLfJn2ePGzG6UWESfmNmTaWC-nalN844z4bZNhJqao0wfglg">PipingDesign@yahoogroups.com</a>] On Behalf Of Geoff Stone DD&D Australia
Sent: Saturday, February 18, 2006 6:59 PM To: <a href="/group/PipingDesign/post?postID=zR2yAMvE17hPxtbnexHXzQ5eKDUfEF2higq8pP9Jy7dWLfJn2ePGzG6UWESfmNmTaWC-nalN844z4bZNhJqao0wfglg">PipingDesign@yahoogroups.com</a> Subject: Re: [PipingDesign] Stress Analysis Spreadsheet Software - Opinions

Christopher,

Its smart sods like you that make me look bad.

Geoff

Christopher Wright wrote:

On Feb 17, 2006, at 8:54 PM, Geoff Stone DD&D Australia wrote:

> I dont use Excel that often. I leave it to the Beanies to use. Have
> seen too many mistakes made in Excel.

I've seen too many mistakes make with every damn piece of software I ever used. You can do some pretty elegant things with it. Hell, I've done some pretty elegant things with it. All the optimization, linear algebra, special functions and matrix arithmetic I can make use of.

I admit, I'll probably spring for Mathematica one of these days, the Mathematica Lite version, probably. I've been using Excel since 1987, when it was a Mac-only app, and I've found it's more versatile than any other calculation package I've ever used.

Actually, the first spreadsheet I ever used was a Visi-calc workalike that came with a Franklin Ace computer I bought in 1985. I came within an inch of erasing the floppy disk it was on, when I discovered it would generate the lengthwise stress distribution in an edge-loaded cylindrical shell, just as fast as dammit. That's damn hard work even with an HP-67. The I worked out an automated version of a floatinghead analysis, that saved enough calculator tape, let alone time, to seem like a miracle. I've been using spreadsheets ever since. Christopher Wright P.E. |"They couldn't hit an elephant at <a href="/group/PipingDesign/post?postID=tj8cy8rLwLIIWzjqv80bgVahHcKz0ljIO8RMyBi7Zbrl-lDYB-lQDZ69PxxpeHm6LyLcCuouXYzMlbrokA">chrisw@skypoint.com</a> | this distance" (last words of Gen.

.......................................| John Sedgwick, Spotsylvania
1864)
<a href="http://www.skypoint.com/~chrisw/">http://www.skypoint.com/~chrisw/</a>

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PipingOffice - Excel Spreadsheets for Piping Calculations
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=========================================
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Design Detail and Development (a division of Blenray Pty Ltd)

Mail Address PO Box 1351 Castle Hill NSW 1765 Australia Tel Mob 0402 35 2313
Office 02 8850 2313 AH 02 8850 2324
We specialise in pipe network and waterhammer analysis, pipe stress analysis,
the design of buried pipelines and thermoplastic pipe systems.














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Received on Sun Feb 19 16:08:00 2006

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