PyMAPDL connect to existing instance instead of creating a new one

=== From internal feedback DK ===

If you have a PyMAPDL session running:

from ansys.mapdl.core import launch_mapdl
mapdl = launch_mapdl(run_location="C:\temp\temp1")

and run another session:

from ansys.mapdl.core import launch_mapdl
mapdl = launch_mapdl(run_location="C:\temp\temp2")

the later will connect into the former, which is not desirable.

[NFougeron]

Thanks it seems to work !

Nolwenn Fougeron, Docteur en Biomécanique Chercheur en post-doctorat au laboratoire TIMC - Équipe Biomeca-TIMC

Univ. Grenoble Alpes - CNRS UMR 5525 - Pavillon Taillefer

Faculté de Médecine - 38706 La Tronche cedex - France

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De : German @.> Envoyé : vendredi 18 novembre 2022 11:24 À : pyansys/pymapdl @.> Cc : NFougeron @.>; Mention @.> Objet : Re: [pyansys/pymapdl] PyMAPDL connect to existing instance instead of creating a new one (Issue #1113)

Hi @NFougeronhttps://github.com/NFougeron

Can you try specifying the ports for each instance??

from ansys.mapdl.core import launch_mapdl mapdl = launch_mapdl(port=50052, run_location=“C:\temp\temp1”)

from ansys.mapdl.core import launch_mapdl mapdl = launch_mapdl(port=50053, run_location=“C:\temp\temp2”)

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[germa89]

We should probably consider implementing a logic that checks if an MAPDL instance is running already at the given port. If start_instance is equal to True, we should launch another instance in another port.

This might require some rewriting on the launcher module which might be difficult. Also we will need to list the instances (e.g. posix with ps aux).