Construction of a simulation model of electromagnetic shielding clothing for shielding effectiveness analysis

Abstract

Electromagnetic shielding (EMS) clothing is mainly studied for its shielding effectiveness (SE) through practical testing at present, which has many problems such as large experimental error and time and labor consumption. This paper proposes a method for constructing a simulation model of EMS clothing based on feature section replacement. Firstly, a human body model based on an elliptical truncated cone is established. A feature section of the key parts is built according to the morphological characteristics of the human body. Then a clothing structure model is established by replacing the corresponding sections in the elliptical truncated cone model with these feature sections. A digital description method for the model is given. The finite integral method is selected to calculate the SE of each test part when the clothing is completely closed, and the clothing contains holes and seams. By comparison with the measured value, it is concluded that the results of the constructed simulation model are in good agreement with the measured values. This paper establishes a new method to study the SE of EMS clothing, which provides a new approach for the design, production, evaluation and related research of EMS clothing.