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Swarna, K.

Paper Title Page
MOPAN080 Modeling of Flexible Components for Asserting the Stability of Superconducting Magnets 341
  • A. Kumar, S. C. Bapna, S. Dutta, K. Swarna
    RRCAT, Indore (M. P.)
  • A. Poncet
    CERN, Geneva
  Funding: Raja Ramanna Centre for Advanced Technology (RRCAT), Indore, INDIA European Organisation for Nuclear Research (CERN), Geneva, Switzerland

Superconducting magnets are subjected to various forces during their cool down and alignment. Their construction invariably includes bellows, gimbals, hoses and composite supports. A good estimate of the deformations arising out of the cool down and alignment operations is necessary as these induce relative displacements between the fiducialised external vessel and hidden cold mass of the magnet. The nonlinear and orthotropic behaviour of these elements may make the model complicated and if solved as a nonlinear problem, would entail a large solution time as the overall model size runs into million nodes. Authors developed a unified Finite Element Model of the LHC Short Straight Section and during this process many innovative modeling techniques evolved. The developed model uses isotropic material constitutive laws with linear material properties. The paper is presenting some of the salient features of these modeling techniques.