Numerical dosimetry of currents induced in the human body by ELF magnetic fields

Abstract : The classical φ − a formulation for numerical dosimetry of currents induced by ELF magnetic fields requires that the source field is provided through a vector potential. We present here a new formulation t − b which directly takes the flux density as source term. This formulation is implemented through Finite Element and validated by comparison with analytical solutions. The results obtained by both formulations are compared in the case of an anatomical computational phantom exposed to a vertical uniform field. As example, the t − b formulation is used for computing the induced fields in the body exposed to the stray field of a 2.5 MW HTA/BT three-phase power transformer.
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COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, Emerald, 2010, 29 (6), pp.1425-1434. 〈10.1108/03321641011078490〉
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Riccardo Scorretti, Ronan Perrussel, Laurent Morel, Noël Burais, Laurent Nicolas. Numerical dosimetry of currents induced in the human body by ELF magnetic fields. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, Emerald, 2010, 29 (6), pp.1425-1434. 〈10.1108/03321641011078490〉. 〈hal-00515690〉

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