電磁波レーダ非破壊評価のための波動減衰を考慮した時間域境界要素解析

抄録

A numerical analysis for electromagnetic NDE(nondestructive evaluation) is considered. In electromagnetic NDE, electromagnetic waves attenuate in the target objects such as concrete structures. We investigate a time domain BIEM with the Lubich CQM(convolution quadrature method) to deal with attenuating electromagnetic waves in the target objects. By using the Lubich CQM, the layer potentials are represented with the Laplace transform of the fundamental solution. We solve wave scattering problems that electromagnetic waves attenuate in the target object. We show the scattered electric field can be calculated numerically by using time domain BIEM with the Libich CQM.