eval_lambda

Synopsis

eval_lambda OUTPUT_FILE [options]

Description

The eval_lambda tool evaluates the angular eigenvalue \(\lambda\) appearing in Laplace’s tidal equations (see the Rotation Effects section), over a grid \(\{q\}\) of spin parameter values. These data are written to an output file in GYRE’s HDF Format, with the following data objects in the root group:

Object name

Symbol

Object type

Data type

Definition

l

\(\ell\)

attribute

integer

harmonic degree

m

\(m\)

attribute

integer

azimuthal order

k

\(k\)

attribute

integer

meridional order (see Townsend, 2003a)

rossby

attribute

logical

Rossby-mode branch flag

q

\(q\)

dataset

real (\(n\))

spin parameter

lambda

\(\lambda\)

dataset

real (\(n\))

eigenvalue of Laplace’s tidal equation

Options

-h, --help

Print a summary of options.

-l, --l=L

Harmonic degree \(\ell\).

-m, --m=M

Azimuthal order \(m\).

--q-min=MIN

Minimum \(q\) in grid.

--q-max=MAX

Maximum \(q\) in grid.

--n=N

Number of points in grid.

--log

Use logarithmic grid spacing.

--rossby

Consider Rossby modes.