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Dear COMIS users,
An increasing number of users contact me about numerical
problems running coupled simulations (using COMIS as a TYPE in TRNSYS).
It appears that a good deal of these problems is
simply due to an unfortunate default value used in the graphical environment of
COMIS: the default solver used for COMIS by Simulation Studio is solver 1 (
For coupled projects, however, solver 6 (trust region
line search) is more appropriate.
So if you encounter problems running coupled
projects, you should just try to
-
change the solver in the
COMIS (*.cpf) project (Assembly/Control cards/Control tab, select “
-
re-write the COMIS input
file (.cif) from the COMIS project (Calculate/Create Input file)
-
Re-run the TRNSYS (.tpf)
project
Werner Keilholz
TIDS / IIL / Ingénieur
Centre Scientifique et
Technique du Bâtiment
84 avenue Jean Jaurès - Champs-sur-Marne -
Tél : 04
Fax :
Port :
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