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    LHC Seminar

    Advances in magnet design and optimisation

    by S. Russenschuck, M. Aleksa and C. Vollinger (LHC Division)

    → Europe/Zurich
    CERN

    CERN
    Description
    The presentation will focus on recent developments in computational methods (implemented in the CERN-ROXIE 8.0 program package) for the design and optimisation of the superconducting LHC magnets. This includes an automatic finite-element mesh generator, a method for the calculation of hysteresis effects due to the so-called persistent currents, quench calculation routines and the BEM-FEM coupling method. With the ROXIE 8.0 version a variety of different magnet structures including solenoids, window-frame magnets, torus magnets, wigglers, and permanent magnet devices can be optimised. Design work carried out at CERN and at other laboratories will be shown as examples. The latest estimations for the field quality in the LHC arc and insertion magnets will also be presented.