Research Article

A Preconditioned Method for Rotating Flows at Arbitrary Mach Number

Figure 1

Fourier footprint of Euler operator for nonrotating flow ( 𝑀 𝑟 = 0 . 0 1 ).
537464.fig.001a
(a) β = 1
537464.fig.001b
(b) β = 𝑀 2 𝑟