Research Article

A Preconditioned Method for Rotating Flows at Arbitrary Mach Number

Figure 2

Fourier footprint of Euler operator for rotating flow ( 𝑀 𝑟 = 0 . 0 1 , 𝑀 Ω = 0 . 1 ).
537464.fig.002a
(a) β = 𝑀 2 𝑟
537464.fig.002b
(b) 𝛽 = 𝑀 2 𝑟 + 𝑀 2 Ω