Fig. 1
From: Rayleigh–Taylor Flow with Two Interfaces: The Completed Boussinesq Approximation

Schematic diagram for the three-layer Rayleigh–Taylor fluid system in dimensionless coordinates
From: Rayleigh–Taylor Flow with Two Interfaces: The Completed Boussinesq Approximation

Schematic diagram for the three-layer Rayleigh–Taylor fluid system in dimensionless coordinates