Monthly Archives: February 2014

FEATools – To Improve the Branch Connection in CAESAR II Model

Experienced stress engineers know that there are also errors and limitations in our existing piping codes that engineers sometimes need to address. Stress intensification factors given by the code are limited and sometimes wrong. This is not news. When we attach a pipe or structural support to a bend, what’s the SIF supposed to be? Piping codes don’t address these and many other geometries that we build in practice ever day.

For these and other problems, finite element analysis (FEA) is the answer, but the ability to build FEA models, generate good results and relate the results to meaningful piping code stresses and allowables requires expertise or time that most stress engineers don’t have.

FEATools is a unique collection of FEA software applications specifically developed to solve piping & vessel problems that beam element and current code limitations prevent you from solving accurately.

Why is this important? Take the large diameter pipe issue – in many cases, stresses and loads are calculated and reported to be much higher in beam analysis programs when compared to reality. With larger pipe, the solutions to problems that don’t exist cost a lot more than solutions to smaller-bore piping problems (where beam theory provides more accurate answers). The result is that many engineers re-route pipe or otherwise spend a lot of money solving problems that don’t really exist. Wouldn’t it be nice to click a button & get a better answer? That’s exactly what one of the utilities in the FEATools library does. You point to a CAESAR file, and FEATools reads the file, identifies the Tees, performs FE analysis, calculates flexibilities and SIFs, then create a new CAESAR model with these new properties in the model.

The results can be alarming, and it’s so easy to do. To accomplish the same task in the past would require running FEA software separately, generate the new SIFs and flexibilities, then make elaborate modifications to the pipe stress model to reflect these changes; very time consuming.

The technology at work in FEATools was developed over the last 22 years by Paulin Research Group (Tony Paulin being the original author of CAESAR II and a world leader in piping & vessel FEA research and code committee member/guru).

For many reasons, every CAESAR II user should have FEATools on their desktop today.

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Intergraph® CADWorx® & Analysis University 2014 at Hexagon Global Network (CAU2014@HxGN LIVE) scheduled for June 2-5 in Las Vegas

HOUSTON, Texas, February 5, 2014 – Intergraph CADWorx & Analysis University 2014 at Hexagon Global Network (CAU2014@HxGN LIVE) scheduled for June 2-5, 2014 in Las Vegas, Nevada will feature advanced plant design and engineering instruction for current or future users of CADWorx, CAESAR II, and PV Elite designed to help improve their organizations’ capabilities and levels of operating efficiency and productivity. The event will include 40 CADWorx, CAESAR II and PV Elite classes with informative lectures and hands-on labs led by design and engineering professionals plus customer case histories, end-user interaction and networking events. Participants can also learn about Hexagon’s other offerings and how these solutions can help make them more flexible and competitive. This user-oriented event attracts attendees from all over the world who come to gain technical knowledge and improve organizational performance.

In conjunction with the conference, Intergraph is conducting the CAU2014 Drivers of Success Competition where users may submit CADWorx, CAESAR II, and PV Elite success stories for a chance to win a free trip to CAU2014@HxGN LIVE, There will be a first-place prize and three runners-up prizes each for the three products. The deadline to submit is March 31, 2014. For more information about the conference and competition, visit

For more information on Intergraph CADWorx, visit For information on Intergraph analysis products visit

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