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/STOP

/STOP

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Engine Keyword

/STOP - Stops the Engine

Description

The Engine is stopped, due to reached energy error ratio criteria, total mass ratio criteria or nodal mass ratio criteria.

Format

/STOP

Emax     symbol_tri-boldMmax   symbol_tri-boldNmax     NTH     NANIM

Data

Description

Emax

Energy error ratio criteria. Defined as the ratio of energy error to total energy of the system. Unlike the error displayed in list files, it has no 99.9% limitation.

Default = 1030

symbol_triMmax

Total mass ratio criteria. Defined as the ratio of total mass at a given time divided by the initial mass.

Default = 1030

symbol_triNmax

Nodal mass ratio criteria. Defined for each node as the ratio of its mass divided by its initial mass. The computation is stopped; if, at least, one node meets the criteria.

Default = 1030

NTH

Default = 0

= 0: the Engine is stopped without Time History file

= 1: a Time History file is written if the Engine is stopped, due to energy error ratio criteria.

NANIM

Default = 0

= 0: the Engine is stopped without animation file

= 1: an animation file is written if the Engine is stopped, due to energy error ratio criteria.

Comments

1.The energy error ratio criteria is defined as the ratio of energy error to total energy of the system. Unlike the error displayed in list files, it has no 99.9% limitation.
2.The total mass criteria is defined as the ratio of total added mass at a given time divided by the initial total mass.
3.The nodal mass ratio criteria is defined for each node as the ratio of its mass divided by its initial mass. The computation is stopped, if at least one node meets the criteria.
4.A restart file is written, if the Engine is stopped, due to one of these events.

See Also:

Restart (FAQ)