The $gridshift block

The $gridshift block sets up the routine for the grid-shifting procedure. This block can appear only once in the input file.

The input parameters that are set in this block are listed below.

Block parameters

Parameter	Value Type	Description	Remarks
type	string	(Optional) The type of grid-shifting procedure (default value is default - see Grid Shifting).
maxshifts	numerical	(Mergeable) The maximum number of grid-shifting iterations.	Setting it to zero disables grid-shifting.

Type default

Parameter	Value Type	Description	Remarks
margins	List[numerical]	(Mergeable) The margins \(\delta_i\) and \(\Delta_i\) for each grid dimension \(i\). The values should be listed in the order \(\delta_1\), \(\Delta_1\), \(\delta_2\), \(\Delta_2\), \(\cdots\), \(\delta_D\), \(\Delta_D\).
ncut	numerical	(Mergeable) The value of \(n_\text{cut}\).

Note

Parameters that are not listed above can also be supplied. They are not recognized by the program in any special way, but are parsed and made available in the Customization API, together with all the other block parameters, as an InputParameters object.

Example

See Tutorial for a commented example.