TY - JOUR
T1 - Development of Mathematical Tools to Determine Optimum Enclosure Designs for Controlling Electromagnetic Fields
AU - Railkar, Sudhir B.
AU - Gokturk, Halit S.
AU - Kalyon, Dilhan M.
PY - 1993/11
Y1 - 1993/11
N2 - Electromagnetic fields are present wherever sources of currents are found. Conventional shielding against these electromagnetic fields is accomplished by using com plete ferromagnetic enclosures. Maxwell's equations govern the phenomenon of electro magnetic fields in discontinuous media, and analytical solutions in the presence of enclo sures of arbitrary shapes are not available. Hence, Maxwell's equations are solved numerically using the finite element method in conjunction with the magnetic scalar potential approach. The test case for the verification of the numerical code is a long cylin drical ferromagnetic shell placed in a transverse uniform magnetic field for which an ana lytical solution is derived here. The comparison of analytical and numerical solutions vali dates the accuracy of the numerical code. As expected the magnetic field inside the complete enclosure varies inversely to the relative permeability of the enclosure. Using this approach, enclosures of different shapes can be designed.
AB - Electromagnetic fields are present wherever sources of currents are found. Conventional shielding against these electromagnetic fields is accomplished by using com plete ferromagnetic enclosures. Maxwell's equations govern the phenomenon of electro magnetic fields in discontinuous media, and analytical solutions in the presence of enclo sures of arbitrary shapes are not available. Hence, Maxwell's equations are solved numerically using the finite element method in conjunction with the magnetic scalar potential approach. The test case for the verification of the numerical code is a long cylin drical ferromagnetic shell placed in a transverse uniform magnetic field for which an ana lytical solution is derived here. The comparison of analytical and numerical solutions vali dates the accuracy of the numerical code. As expected the magnetic field inside the complete enclosure varies inversely to the relative permeability of the enclosure. Using this approach, enclosures of different shapes can be designed.
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U2 - 10.1177/073168449301201106
DO - 10.1177/073168449301201106
M3 - Article
AN - SCOPUS:84970269666
SN - 0731-6844
VL - 12
SP - 1212
EP - 1220
JO - Journal of Reinforced Plastics and Composites
JF - Journal of Reinforced Plastics and Composites
IS - 11
ER -