fix_modify AtC atom_element_map command — LAMMPS documentation

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# fix_modify AtC atom_element_map command

## Syntax

    fix_modify <AtC fixID> atom_element_map <eulerian|lagrangian> [<frequency>]

- AtC fixID = ID of fix atc instance

- atom_element_map = name of the AtC sub-command

- eulerian or lagrangian = frame of reference

- frequency = 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 or vice versa 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 AtC commands

- fix_modify AtC command overview

## Default

lagrangian