Abstract
This paper describes the time-domain moment method (TDMM) and image method that have been developed for calculations of current densities induced in a human body standing inside a metallic rectangular house located near a large wire-array transmission-line nuclear electromagnetic pulse (NEMP) simulator. The TEM-mode transmission line theory and the quasi-static theory are applied in the analysis of electric fields irradiated from the NEMP simulation. The maximum current density induced on the human body with body impedance of 100 MΩ standing inside a perfectly grounded metallic house is found to be 19.7 μA/cm 2 for a distance of 30 m between the metallic house and the NEMP simulator. The value of maximum current density of 19.7 μA/cm 2 is about two times the threshold levels of neuromuscular stimulation under steady-state current flow cases. From study results, it is also found that an average shielding effect of 90% is obtained for the distance between the metallic house and the NEMP simulator when over 30 m. Remarks on health effects based on the calculated data, other scientific sources, and community public health reports are made in the conclusion.
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