ATC: fix_modify AtC atom_element_map

LAMMPS Website LAMMPS Manual USER-AtC Manual Commands

### fix_modify AtC atom_element_map

#### syntax

fix_modify AtC atom_element_map <eulerian|lagrangian> <frequency>

- frequency (int) : frequency of updating atom-to-continuum maps based on the current configuration - only for eulerian

#### examples

`fix_modify atc atom_element_map eulerian 100`

#### description

Changes frame of reference from eulerian to lagrangian and sets the frequency for which the map from atoms to elements is reformed and all the attendant data is recalculated.

#### restrictions

Cannot change map type after initialization.

#### related

#### default

lagrangian