Optimization with a Genetic Algorithm for Multilayer Electromagnetic Wave Absorption Cement Mortar Filled with Expended Perlite

Abstract: Due to the complexity of design multilayer electromagnetic (EM) wave absorbing materials, it is difficult establish relationship between material parameters (type and filling ratios) EM properties using traditional trial error methods. Based on measured within a few materials Boltzmann mixing theory, database was thereafter built up. In this study, genetic algorithm (GA) used wave-absorbing cement mortar. order verify method, mortar fabricated measured. The simulated results are well consistent, which convincingly verifies computer-aided design. addition, optimized result expresses that first layer as matching guides waves into interior material, while other layers absorption attenuate waves. may not meet impedance gradient principle but still exhibits better performance. reflection loss (RL) all three sample below –6.89 dB in full frequency band minimum RL –26.21 dB. This composite GA method provide more ideas for future cement-based save lot time cost.