MTDATA – Phase Diagram Software from the National Physical Laboratory

 

 

 

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ACCESS Configuration Variables

Though not formally options like commands or macros, configuration variables are included here because of their importance in ACCESS.

Function:

MTDATA configuration variables can be set from the command line or within the MTSIGNON.TXT file as in the examples. The variable name must be entered exactly in capitals. That most applicable to ACCESS are identified below.

Defaults:

[MISSING_DATA=CONTINUE

[SUBLATTICE=SIMPLIFY

[IMPLICIT_COMPONENT=NONE
Examples:

[MISSING_DATA=FAIL

[SUBLATTICE=NOCHANGE

[IMPLICIT_COMPONENT=/-

If MISSING_DATA=FAIL and interaction data are found to be missing during retrieval from a database, zero data sets are inserted in the mpi files but they are preceded by lines that prevent them from being read by the calculation modules.

If SUBLATTICE=SIMPLIFY data for solution phases for which there is only one sublattice will be simplified as though the phase had no sublattice structure.

If IMPLICIT_COMPONENT is given the legal name of an element or compound, that element or compound will added to the end of any component list defined by the user. If the component added this way is charged it will be treated as an additional constraint rather than an explicit component of which the amount can vary.

General comments:

None


 

Updated 24 June 2010