Answers are grounded in this paper and cite their sources.
We study two different scalar wave equations. One of them exhibits the main gross features of the simple scalar and elastic wave propagation in periodic composite media. The other behaves similarly to the electromagnetic waves in preferring the network topology and the higher volume fractions for developing spectral gaps.
No takes yet. Share an insight, caveat, or question.
Sigalas et al. (1994) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: