CEA Simulation Case Study: Abaqus FEA for Nuclear Deterrent Lifecycle
Case study on how CEA/DAM uses Abaqus FEA for high-performance multiphysics simulation to maintain France's nuclear deterrent after the 1996 test ban.
The French Alternative Energies and Atomic Energy Commission (CEA/DAM) adopted Abaqus FEA from Dassault Systèmes SIMULIA to replace physical weapons testing with validated simulation models. The organization scaled Abaqus on its TERA 100 supercomputer through parallel computing optimizations developed with SIMULIA, achieving routine runs on hundreds of cores. This approach supports the full product lifecycle from theoretical studies through manufacturing, performance, and dismantling while reducing design cycle times.
Abaqus FEA replaced physical testing for nuclear weapons lifecycle management after the 1996 test ban
Parallel computing optimizations enabled Abaqus to run on hundreds of cores on the TERA 100 supercomputer
Abaqus integrates with proprietary codes for thermo-mechanical multiphysics and safety studies
Simulation accuracy improved through transition from 2D axisymmetric to full 3D models
Design cycles shortened by reducing simulation time across theoretical, manufacturing, and dismantling phases
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