ELECTROMAGNETIC FIELD DISTRIBUTION COMPUTING METHOD, ELECTROMAGNETIC FIELD DISTRIBUTION COMPUTING DEVICE, AND MAGNETIC FIELD DISTRIBUTION COMPUTING PROGRAM

摘要

An electromagnetic field distribution computing method enabling analysis of a high-accuracy electromagnetic field even if a metal structural body includes a metal sheet structure, an electromagnetic field distribution computing device, and an electromagnetic field distribution computing program are disclosed. The electromagnetic field distribution computing method comprises a step of dividing the surface of a metal structural body into metal elements and setting the value of the loop current flowing in each metal elements as a variable, a step of computing the magnetic flux density on each metal element transmitted from an alternating magnetic field generating source as the external magnetic flux density, a step of deriving an equation in which the normal component of the magnetic field in each metal element is zero for each metal element by using the external magnetic flux density and the loop current value, setting the values of the currents flowing around holes if the metal structural body has the holes as variables, deriving equations by applying the Faraday’s law to the holes, creating simultaneous equations by coupling these equations, a step of determining the current values by solving the simultaneous equations, and computing the electromagnetic field distribution around the metal structural body by using the determined current values.