ITER implemented the use of 3DCS in the design and assembly of a Fusion Plant in Cadarache, France.
This is the largest fusion reactor to ever be built, and is a monumental feat in of itself. As the model design, only one is being built, but must be built right. This means meeting exacting specifications, requiring extensive simulation and testing before assembly.
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ITER is now finding that many of its engineers now prefer to wait for analysis results before their “next move” as the data helps to “drive the decision making process."
Jens Reich, ITER Project Office, Design Integration - Configuration Control
ITER is a truly global project, with 35 nations contributing to its construction.
3DCS Variation Analyst CAA V5 Based - CATIA V5 Integrated Tolerance Analysis Software
Dimensional Control Systems, Inc. (DCS), a Dassault Systemes Premier CAA V5 Gold Software Partner has assisted ITER with the implementation of 3DCS Catia V5 Based software into the design process of the ITER Fusion Reactor.
WHAT IS ITER?
ITER is a joint international research and development project that aims to demonstrate the scientific and technical feasibility of fusion power. The partners in the ITER Project are the European Union (represented by EURATOM), Japan, The People’s Republic of China, India, The Republic of Korea, the Russian Federation and the USA. ITER will be constructed in Europe, at Cadarache in the south of France. In the core of ITER, a mixture of two hydrogen Isotopes (Deuterium and Tritium) will be heated up and compressed by means of large magnetic fields, at the condition similar to those necessary to operate a fusion powered electricity production plant.
INTEGRATED TOLERANCE ANALYSIS
Dimensional Control Systems was contracted by ITER to dimensionally assess several aspects of a Fusion Plant. For over eight months the DCS Team meticulously created 3DCS Tolerance Analysis Models representative of the design and manufacturing processes of the ITER plant. The mission set forth to DCS by ITER is clear: to streamline selective dimensional aspects of the product and assure that all components assembled the first time, without the need for rework or modification whatsoever. “The complexity in assembling a fusion plant necessitates an intricate assembly process”, states Bob Kaphengst – President and CEO of DCS. Mr. Kaphengst credited the “robustness” of 3DCS for being able to handle many non traditional assembly methods. The assembly process required significant modeling complexity, which was handled fairly easily utilizing the capabilities of 3DCS such as the ability to model multistage assemblies, pin-ability, hole winking, collision detection, etc.
“DRIVING” THE DESIGN
The use of 3DCS at ITER is producing many positive influences to the design and assembly process. 3DCS tolerance analysis modeling is supporting ITER in the realistic establishment of tolerance requirements with respect to function, performance, and cost. The up-front analysis is proving to be undeniably beneficial early enough in the project where changes can be made with no negative effect on cost or timing. The cost and time saved by these early changes can be assumed to be significant.
[From the 2017 DCS Global Technology Conference Day 1]
Pierric Leonard presented the latest updates in the ITER Tolerance Model, being used to drive production in the ITER assembly.
As Pierric Leonard put it,
In southern France, 35 nations are collaborating to build the world's largest tokamak, a magnetic fusion device that has been designed to prove the feasibility of fusion as a large-scale and carbon-free source of energy based on the same principle that powers our Sun and stars."
Here is a short video from the ITER Organization to give you an idea of what they are attempting to do:
The model itself is massive, with 14,500 different tolerances and 35,000 measures.
It was once remarked to me that the ITER Tokamak is like a Swiss Watch, only the size of six football fields!
Pierric Leonard's presentation was a great example of methods used to manage large amounts of data, and of methods of reducing simulation and interaction times.
With major components coming from different countries, it is important that they fit together at final assembly. With 3DCS, the team is working hard to make that a reality, and it is truly an impressive feat.
Contact DCS below to see the presentation and learn more!