{"id":286390,"date":"2023-05-30T16:19:49","date_gmt":"2023-05-30T16:19:49","guid":{"rendered":"\/forum\/forums\/reply\/286390\/"},"modified":"2023-05-30T16:19:49","modified_gmt":"2023-05-30T16:19:49","slug":"286390","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/286390\/","title":{"rendered":"Reply To: “Low-level communication error -15: Connection was closed” when i run my FSI."},"content":{"rendered":"

<p>Hello Federico,<\/p><p>Thank you for your reply.<\/p><p>I am running my FSI using system coupling. When i reran my model on 23R it was the same error message as 19.2. Here is the text i got after analysis initialization.<\/p><div>+=============================================================================+<\/div><div>|                                                                             |<\/div><div>|                           Analysis Initialization                           |<\/div><div>|                                                                             |<\/div><div>+=============================================================================+<\/div><div>===============================================================================<\/div><div> <\/div><div>Traceback (most recent call last):<\/div><div>  File “PyLib\/kernel\/remote\/RemoteObjects.py”, line 28, in _nodeCaller<\/div><div>  File “PyLib\/physicscoupling\/importer\/Importer.py”, line 36, in setExistingConnection<\/div><div>RuntimeError: Low-level communication error -15: Connection was closed<\/div><div> <\/div><div> <\/div><div>+—————————————————————————–+<\/div><div>| Low-level communication error -15: Connection was closed                    |<\/div><div>+—————————————————————————–+<\/div><div>Traceback (most recent call last):<\/div><div>  File “PyLib\/main\/Controller.py”, line 147, in <module><\/div><div>  File “PyLib\/main\/Controller.py”, line 143, in _run<\/div><div>  File “PyLib\/main\/Controller.py”, line 92, in _executeScript<\/div><div>  File “PyLib\/kernel\/commands\/__init__.py”, line 31, in readScriptFile<\/div><div>  File “PyLib\/kernel\/commands\/CommandManager.py”, line 169, in readScriptFile<\/div><div>  File “wb2cosim.py”, line 4, in <module><\/div><div>    Solve()<\/div><div>  File “PyLib\/kernel\/commands\/CommandDefinition.py”, line 74, in func<\/div><div>  File “PyLib\/kernel\/commands\/__init__.py”, line 28, in executeCommand<\/div><div>  File “PyLib\/kernel\/commands\/CommandManager.py”, line 122, in executeCommand<\/div><div>  File “PyLib\/cosimulation\/externalinterface\/core\/solver.py”, line 125, in execute<\/div><div>  File “PyLib\/cosimulation\/solver\/__init__.py”, line 123, in solve<\/div><div>  File “PyLib\/kernel\/util\/Memory.py”, line 177, in wrapper<\/div><div>  File “PyLib\/cosimulation\/solver\/__init__.py”, line 519, in __initializeControlled<\/div><div>  File “PyLib\/cosimulation\/participantmanager\/AnsRpcParticipant.py”, line 151, in initializeOutputs<\/div><div>  File “PyLib\/physicscoupling\/importer\/__init__.py”, line 93, in setExistingConnection<\/div><div>  File “PyLib\/kernel\/remote\/RemoteObjects.py”, line 45, in func<\/div><div>  File “PyLib\/ComputeNodeCommand.py”, line 94, in newfunc<\/div><div>  File “PyLib\/ComputeNodeCommand.py”, line 70, in raiseException<\/div><div>RuntimeError: Low-level communication error -15: Connection was closed<\/div><div>Shutting down System Coupling compute node processes.<\/div><div> <\/div><div> <\/div><\/p>\n","protected":false},"template":"","class_list":["post-286390","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t