Struphy perturbation

ModesCos

Coordinate slices

The sampled perturbation value across the three logical coordinate planes.

Perturbation value ueta1–eta2 · -9.99e-5 to 9.97e-5

Perturbation value ueta1–eta3 · -9.69e-5 to 9.92e-5

Perturbation value ueta2–eta3 · -9.99e-5 to 1.00e-4

eta1 · other coordinates fixed at 0.5

eta2 · other coordinates fixed at 0.5

eta3 · other coordinates fixed at 0.5

Parameter	Value	Description
`ls`	`[2]`	Mode numbers in x-direction (kx = l2pi/Lx).
`ms`	`[3]`	Mode numbers in y-direction (ky = m2pi/Ly).
`ns`	`null`	Mode numbers in z-direction (kz = n2pi/Lz).
`amps`	`[0.0001]`	Amplitude of each mode. Lx, Ly, Lz : float Domain lengths.
`Lx`	`1`	—
`Ly`	`1`	—
`Lz`	`1`	—
`given_in_basis`	`null`	In which basis the perturbation is represented (see base class).
`comp`	`0`	Which component (0, 1 or 2) of vector is perturbed (=0 for scalar-valued functions)
`perb_domain`	`[null,null,null]`	Subdomain in which the pertrubation is applied to: ((x_min, x_max), (y_min, y_max), (z_min, z_max)). None means apply perturbation to all domain in that direction