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  • noun

Words related to reluctivity

(physics) the resistance of a material to the establishment of a magnetic field in it

References in periodicals archive ?
The robustness of the method has been reported in [10] for different values of the reluctivity and two meshsizes.
The differential reluctivity tensor can be obtained by
the relative reluctivity of the material [[upsilon].sub.r] = 1/[[mu].sub.r] is a function of the magnetic flux density, which is a function of the unknown vector [{a}.sup.n+1], the residual {r} in Eq.
(13), the relative reluctivity is a function of B = [parallel]B[parallel]
The reluctivity v = v(x) is supposed to be uniformly positive and independent of |curl u|, i.e., we assume the eddy current problem (3.2) to be linear.
In order to obtain this simpler norm [parallel]*[[parallel].sub.[??]], we have to pay the price that the norm equivalence depends on the minimal value of the reluctivity v, i.e.,
where [[upsilon].sub.0] = 1/[[micro].sub.0] is the reluctivity in free-space, [[bar.[xi]].sup.d.sub.r] is the relative differential magnetizability tensor, and [[bar.[upsilon]].sup.d.sub.r] is the relative differential reluctivity tensor.
the differential reluctivity and magnetizability tensors can be related as
where v is the reluctivity, J the current density, and A the magnetic vector potential.