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iDROP: An Innovative Software Program to Design Nuclear Decommissioning Scenarios

[+] Author Affiliations
Caroline Chabal, Vincent Perrot, Mehdi Ben Mosbah, Yves Soulabaille, Jean-Claude Thieblemont, Fabien Chaffard, Yann Chevalier

CEA DEN, Bagnols-sur-Cèze, France

Laurent Chodorge

CEA DRT, Gif-sur-Yvette, France

Paper No. ICONE26-81147, pp. V007T10A003; 7 pages
  • 2018 26th International Conference on Nuclear Engineering
  • Volume 7: Decontamination and Decommissioning, Radiation Protection, and Waste Management; Mitigation Strategies for Beyond Design Basis Events
  • London, England, July 22–26, 2018
  • Conference Sponsors: Nuclear Engineering Division
  • ISBN: 978-0-7918-5151-7
  • Copyright © 2018 by ASME


Many historic nuclear facilities have reached the end of their lifetimes and are now being decontaminated and dismantled. Our institute has been working on an innovative computing solution to simulate intervention scenarios in highly radioactive environments that humans cannot enter. Various treatment techniques can be compared and workers can be trained before operating on site. For the past 10 years, our institute has been developing a Virtual Reality tool that simulates all the key elements of a nuclear project, including the remote handling, and the accessibility of the site for humans, and the dose assessment associated. This tool allows all these parameters to be computed in a single interactive environment, allowing predefined scenarios to be verified and alternative solutions to be designed. This software is presented in the following paper; we here illustrate that it is particularly well-suited to dismantling projects. We also describe a first application of the tool to investigate radiological exposure scenarios. The advantages of this software include its user-friendliness, responsiveness, speed, and usefulness for the preparation of complex dismantling operations. The perspectives of this project include the simulation in Virtual Reality of human interventions.

Copyright © 2018 by ASME



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