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Piping Stress Analysis Software

Piping Stress Analysis Software

Piping Stress Analysis Software

Which software is the best for pipe stress analysis?
Price ($), maintenance price ($), how friendly is user interface (1-5), functionality
Need objective comparison of as many as possible software.

RE: Piping Stress Analysis Software

You can find all the info you want via google or contact various suppliers (which you can find via google as well). The one thing they can’t tell you is user experience. There are numerous topics about that here on ET. Suggest you read those first and then return in case you have any specific questions.

The questions you posted are too obvious and require us to do your work. We’re not a bunch of freeware consultants here ...

RE: Piping Stress Analysis Software

Ok, more detailed question
What software is better if compare features, price etc.?
I can use google. I need opinion of engineers

RE: Piping Stress Analysis Software

As always, it depends. It depends on what you require the software to do, and what you want to achieve.
Nevertheless this issue has been discussed a dozen times before om ET. Do a search, read existing topics and if you have any specific questions left, feel free to post them.

RE: Piping Stress Analysis Software

Is OP Alex Matveev of PASS/START-PROF?

RE: Piping Stress Analysis Software

Yeah I was thinking the same. Could be me but there’s a smell to it.

RE: Piping Stress Analysis Software

Yes it's me bigsmile
And yes I need the objective comparison. Strong and weak points. I want to create the best piping stress analysis software. To do this, I need to know which features are most important for engineers and which are not.
All other similar threads are closed. I can't ask anything else there! If you miss some features in software you use to do your job, let me know. I will collect all the information and make technical task for the future development.

RE: Piping Stress Analysis Software

As others have said, this isn't something where you can likely just merge features and have a hit software package on your hands. It also vastly depends on personal preferences and what you first used/learned on. Furthermore, these packages have been proven and upgraded for years. I think a fresh new software would be slow to be received, unless there was some groundbreaking new feature or low price.

I'm most familiar with Caesar. Piping input is very good, defining load cases is okay/average, reviewing/printing results is above average, overall features/abilities are very good.

My biggest complaint with Caesar is ironically unrelated to the software usage itself. Since being acquired by a new company, it seems focused on cranking out yearly updates and changing their licensing model and increase pricing. Due to these items, I'd prefer it if they released a freeware "viewer" that'd allow you review an existing model/nodes, review/print existing calculated results, and all that stuff.

RE: Piping Stress Analysis Software


And yes I need the objective comparison. Strong and weak points. I want to create the best piping stress analysis software.

So, firstly, user experience, friendliness, etc., are subjective, not objective; secondly, because of the first part, "best" is, at best, a marketing hyperbolic, when applied to the subjective measures, which should not exist in an engineering forum. Is it faster or more accurate? Those are objective measures, and if you can be both faster AND more accurate, then you've got something to talk about.

TTFN (ta ta for now)
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RE: Piping Stress Analysis Software

Perhaps a better starting question is: What do you dislike about your current piping stress software and why.

RE: Piping Stress Analysis Software

Gator, yes this question is interesting for me too

RE: Piping Stress Analysis Software

Check out Rohr2 by Sigma (german company). Seems like this will fit most of your requirements.
Attention: When you also do business in oil and gas market it may be required to go with CaesarII because this is common used and sometimes required to use per project specification.

RE: Piping Stress Analysis Software

I'm pipe stress software developer, I don't have a requirements. I need to hear the requirements from engineers. And yes, I know rohr2, caesar ii software.
It's curious, why caesar ii is so popular in worldwide market? I think functionality and user interface is not the best and modern, but everybody use it. What is the secret?

RE: Piping Stress Analysis Software

Ah okay, now I got it.

I think it has nothing to do with the program itself. Maybe a big company made a decision to use it and small companies start to follow.
I have never used CaesarII but some calculation companies I know in Germany prefer Rohr2 when they are free to use what they want. I heard some reasons like better support, easier to make changes, etc.

RE: Piping Stress Analysis Software

I don't personally use Stress packages so I cannot comment on pro & cons but after 15 years of working on client side in Middle East Oil & Gas Projects I can tell you that the client will dictate which software is to be used in Scope of Work based on its preference and regarding stress I have only ever seen Caesar being stipulated. Note that I am referring to Piping not Pipeline.

RE: Piping Stress Analysis Software

Our scope of work sometimes requires us to apply client specs to our projects. We're in oil&gas, (bio-)chemicals, (bio-)pharmaceutcials, all the green stuff (pyrolysis, bio-energy), all the plastic stuff. Almost anything you can think of, except maybe for solar. Ive seen a lot of client specs, also some of the major ones. Ive never had to use CII. We use AutoPIPE, and Im confortable with it. It's not the best, but it fits our needs. Then again, for the scope of work we do (pilot units), client specs are fortuantely not always (to the full extent) applicable, since they kill a lot of potential projects.

RE: Piping Stress Analysis Software

Thank you for your replies!
Our software is the same standard as Caesar II, but in Russia and other Russian speaking countries, about 3000 users. Almost all companies who deal with piping stress use it. It is developing since 1965. But we are a late comers in international market. Translation into English was done 4 years ago. The English software name is PASS/START-PROF.
Why clients choose Caesar II? What is the secret? There are a lot of other software.
Do you have any advice? Maybe there's any specific requirements that only Caesar II can satisfy? We can develop and cover it quickly.

RE: Piping Stress Analysis Software

Caesar II has just become the "standard" software package to use in general industry. I believe it was an early adopter of 3D graphics which was a big step, and their newsletters and training have been very good in the past. I get the impression of lot of other software packages just let you "figure it out". Historically I think Caesar was ahead of its time w/ features and capabilities of their software.

Additionally, at least in the states, CadWorx is one of the big 3D pipe design programs so being able to export your piping design directly to Caesar is an advantage.

Autopipe and Caepipe also have large user bases, Caesar II is by no means the only one. But just as AutoCAD has become the go to drafting tool (in my experience), Caesar has become the go to stress analysis tool.

If you're beginning to branch into the international market, I assume you will have a hard time convincing large firms/customers to suddenly switch software packages unless yours does something spectacular.

RE: Piping Stress Analysis Software

RVAmeche, thank you for your reply. I understand the situation using analogy with AutoCAD.
AutoCAD development still continues. They still offer more and more a lot of new interesting products and features. What about CII?

RE: Piping Stress Analysis Software

CII continues to grow with some features I havent seen in e.g. Ap (AutoPIPE), like their nozzlepro or FEnozzle (or whatever they call it) options for nozzle analysis, early adaptation of B31J computations, and I think currently even an EN 1591-flange analysis, etc.
I have always though of AP to be far more user friendly over CII when it comes to editing a model in terms of piping runs, something I have to do 99% of the times.

Quote (Alex Matveeff)

It is developing since 1965
That early?

RE: Piping Stress Analysis Software

As XL83NL indicated, Caesar II currently has some advanced FEA options for nozzles. Additionally, one of the original designers of the software (Tony Paulin) has started his own research group and was tasked with updating the ASME B31.3 SIF data and developing new equations for them since the 1940s. This data has now been published in B31J.

So they (the developers of Caesar II) have deep ties to ASME and former members are still contributing to the advancement of the code via FEA & new SIFs. I'm sure the other software packages have members on committees, but the level of expertise at Caesar II is very likely a comfort to end users.

Edit - Not saying Caesar II's FEA is groundbreaking, but it is a very nice extra feature for a pipe stress analysis package

RE: Piping Stress Analysis Software

XL83NL, Yes. From 1965. 20 years earlier than CII.
To use B31J in CII you need to convert model using FEAtools. It takes a lot of time. In START-PROF you just turn on the option "Use B31J" and run analysis again. Tees, bends, reducers will be calculated using B31J SIF's and k-factors.

We have "Nozzle FEM", it is the same as FEnozzle, but better user interface.
In the next version we will merge "Nozzle FEM"+"START-PROF". It will calculate SIF and k-factors using FEA. Both software has the same developer.

We have so easy user interface, that to start working training is not needed. Just draw piping and run analysis. Is it possible in other software?

About load case editor. It is not advantage of software. It is disadvantage. Load case editor is not needed. We have a better and more advanced feature.

Thank you for your replies!

RE: Piping Stress Analysis Software

I appreciate you are pushing start-prof, but these forums do not want to get into the realms of different vendors pushing their products.

To state "everything is a piece of cake" is neither technical nor able to be challenged in any way.

This is an advert, pure and simple and this is not permitted in the rules of Eng -Tips


Remember - More details = better answers
Also: If you get a response it's polite to respond to it.

RE: Piping Stress Analysis Software

To follow up LI, I don't know when the last time you used Caesar was but modifying existing piping isn't too bad at all. It can get cumbersome when it's a CadWorx output so the node numbers are all out of whack, but if you modeled the piping logically and need to add expansion loops, or re-route the piping later, it isn't too hard.

Lastly, I disagree with your basic premise of "if anyone was using START-PROF they could do pipe stress analysis". That is just false. Anyone can use any program and eventually figure out how to make it spit out results. But you have to have some training or knowledge of pipe stress analysis to understand the numbers you're seeing, understand your mistakes/oversights, and have realistic ideas of how to solve the issue.

RE: Piping Stress Analysis Software

Mr. LittleInch,
Why you didn't delete the topics about CAESAR II on this forum? It is advert too. Why only my posts?

RE: Piping Stress Analysis Software

Which CII posts do you mean, Alex?

RE: Piping Stress Analysis Software

RVAmeche, how to delete the existing node in CII?
What is modeled piping logically? What if I modeled it not logically? I can't change anything?
All bad numbers are painted by red color. Your goal is to eliminate all red color. But to understand how to do it, of course you need to have basic knowledge in pipe stress analysis. And training only needed to understand how to reduce support loads and stresses. Not how to use software.

RE: Piping Stress Analysis Software

If you don't know how to modify a piping model in CII, then that's on you. It's not a flaw with the program.

CadWorx used to have a bug where the node numbering would get out of sequence; ie your pipe could go 50-100-432-638-300. That's not an "issue" but it makes modifying a model (adding/deleting or rerouting nodes) more difficult because the numbering isn't consistent.

RE: Piping Stress Analysis Software

There’s no single advert on that I’m afraid, even not from user richay, as I see it. If you don’t understand that, and no sarcasm involved, I’m not going to bother explaining that. Theyre just Q&A topics on CII, whereas this topic has a different smell.

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