Abstract
We discuss both analytical and numerical methods in calculating radiative scattering parameters of a randomly oriented ensemble of particles. There exist two approaches to rigorously solving multiparticle scattering. One is the generalized multiparticle Mie-solution (GMM) and the other is cluster T-matrix approach (CTM). We show that, the same as in the case of fixed-orientation scattering, the random-orientation formulations of GMM and CTM have a remarkable contrast in capability of handling the overall dimension of an ensemble of particles in practical applications. We also show that the use of a standard scheme of numerical quadrature could be more efficient than straightforwardly taking an unweighted arithmetic average in discrete orientational averaging.
Published Version
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