1965/01/01 by M. J. Lighthill · 3 citations
Engineering · #Elasticity and Wave Propagation #Geotechnical and Geomechanical Engineering #Dynamics and Control of Mechanical Systems
paper · doi:10.1093/imamat/1.1.1
openalex publication_date 1965/01/01 · openalex created_date 2022/02/24 · openalex updated_date 2026/07/22
This paper gives a survey of the theory of group velocity for one-dimensional and three-dimensional, isotropic and anisotropic, homogeneous and inhomogeneous, conservative and dissipative, linear and non-linear, classical and relativistic systems exhibiting wave propagation under free and forced-motion conditions.