It is well known that gravitational waves (GWs) undergo no absorption or dissipation when traversing through a perfect fluid. However, in the presence of a viscous fluid, GWs transfer energy to the fluid medium. In this paper, we present a review of our recent series of results regarding the interaction between GWs and surrounding matter. Additionally, we examine the impact of a viscous fluid shell on GW propagation, focusing particularly on GW damping and GW heating. Furthermore, we explore the significance of these effects in various astrophysical scenarios such as core-collapse supernovae and primordial GWs.
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Bishop et al. (2024) studied this question.
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