A Radiation-Hydrodynamic ALE Code for Laser Fusion Energy

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Fusion energy has promised clean, secure energy for many years and important advances are expected in the next couple of years from the US National Ignition Facility. If the UK is to play a significant role in a subsequent international collaboration for an Inertial Fusion Energy demonstrator we need the ability to make independent target designs and assessments.A key component of this which has been lacking in the UK academic area is a multi-dimensional computer model which follows the hydrodynamic evolution of the laser targets through absorption of the laser energy, ablation, implosion and thermonuclear burn. RALF (Radiation-hydrodynamics using ALE methods for Fusion) will lay the foundation for this capability in a two year project which can then grow quickly if required for participation in a major project. RALF is designed to be a scalable parallel computer model capable of being run in 3D on large High Performance Computing (HPC) installations. RALF is a collaboration between the University of Warwick and Imperial College and continues an area of collaboration begun with the EPOCH code and the Collaborative Computational Project in Plasma Physics (CCPP). RALF will benefit from close links and advice from AWE Aldermaston where there is a growing activity in Inertial Fusion Energy for power production.