Numerical simulation method of radiation characteristics of carbon fiber composites based on FDTD

the invention discloses a Numerical simulation method of radiation characteristics of carbon fiber composites based on FDTD, there is no method to calculate the radiation characteristics of carbon fiber composites. The invention uses FDTD solution software to simulate the material model, simulates the structure of the carbon fiber and the composite material through the software, and obtains a plurality of sets of parameter data of the absorption cross section, the scattering cross section, the absorption factor and the scattering factor; The absorption cross section, scattering cross section,absorption factor and scattering factor are calculated by FDTD method to obtain the ratio of absorption and scattering energy to incident energy, and then the radiation characteristics of carbon fiberare calculated. Through these analyses, the influence of the structure of carbon fiber composite on its radiation characteristics is obtained. Through the theoretical calculation of thermal radiationcharacteristics, better an