Re: Digest Number 302

William
You could not be more right! I try to convey this message to the youngsters inthis field. Many of these kids think (and even dare argue) that knowing to crank in data into Caesar or Simflex make them experts. I agree with you that first, the analyst has to correctly diagnose the problem, then identify the correct solution to the problem, then "manually" solve the problem and finally check or verify the solution with the software. I understand that many problems are laborious and the calculations are cumbersome. Yet you may skip the manual solution and go straight to software but with the feel of the diagnosis, the cause and the solution. Just like a medical treatment to a cure an illness. A good phisician first evaluates,diagnoses, deteect the causes , evaluate the solutions and finally prescribes the drug. Same happens here. Caesar or Simflex does not prescribe the drug. The analyst does! Putting it a nutshell. To become a Stress Analyst it requires a lot of study, analysis, headaches, nightmares, drilling, family sacrifice, etc, etc.. Reading books and articles is only a tiny part of it. It requires a good background in structural theory (I recommed Timoshenko´s book "Theory of Structures"). Boy! I recall and reminiscence about the good old days using Kellogs matricial methods, calculating moments of Inertia by hand! Grinnell books, Tube Turns, Power Piping Tables!!!
A + for you William

"Vail, William F." wrote:

> There are many things to learn, mostly from experience, but there are some
> important things to get you going in the right direction.
>
> First of all, know the codes that you are working with well. You have to
> know the codes and how your software calculates and displays code results in
> order to know when something is not right or how to make your software do
> what you want it to do. This is true for your results in general. You have
> to develp a feel for what you expect the results to be in order to recognize
> when something is not right.
>
> Secondly, know your software and its quirks. Caesar II, for example, is
> very powerful but has some quirks left over from its DOS days such as if you
> enter "0" in the ambient temperature field it interprets that as an old DOS
> flag indicating an ambient temperature of "70 F". If you really want "0 F"
> you must enter "0.01" or something. You also need to know how to model
> components accurately, such as nozzles. It is amazing how many long-time
> Caesar users will use short-cut or even incorrect methods to model
> components when it is not accurate enough to do so. There again, you have
> to know your software and develop a feel for when it is OK to use short-cuts
> and when it is not.
>
> > -----Original Message-----
> > From: PipingDesign@yahoogroups.com [SMTP:PipingDesign@yahoogroups.com]
> > Sent: Tuesday, July 24, 2001 2:54 AM
> > To: <a href="/group/PipingDesign/post?postID=OSyiYD5zexiUCQBbHc1oPPb0rpzi3uO8e0AqtP8Z28usDbROYa7gpXuTkC5StDu6IKflE-yg6lA3r_HdxxJomRuw">PipingDesign@yahoogroups.com</a>
> > Subject: [PipingDesign] Digest Number 302
> >
> > _____________________
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> > ------------------------------------------------------------------------
> >
> > There is 1 message in this issue.
> >
> > Topics in this digest:
> >
> > 1. piping stress analysis thermal
> > From: nitin wadhera <ruboo26776@yahoo.com>
> >
> >
> > ________________________________________________________________________
> > ________________________________________________________________________
> >
> > Message: 1
> > Date: Mon, 23 Jul 2001 02:16:39 -0700 (PDT)
> > From: nitin wadhera <ruboo26776@yahoo.com>
> > Subject: piping stress analysis thermal
> >
> >
> > hi friends
> >
> > i m mechanical engineer working in a piping field. i m generally involved
> > in design and construction of piping system. but i m new in analysis so
> > any body who is in this field can guide me from basic about fem analysis,
> > flexibilty analysis, cosmos/m software. How to interpreate the result and
> > get the correct answer.
> >
> > Nitin
> >
> >
> >
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> >
> >
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Received on Fri Jul 27 08:45:00 2001