I was trying to analyse a propeller with the help of this Simscale webinar but as it was rather old, several problems appeared:
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Why couldnt i select the propeller surface for the Forces and Moments graph plotting like this image from the webinar:
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This appeared when i tried to run the simulation: ‘‘Multiple bodies with material assignments were detected. Because this is a single region simulation, only a single body may be assigned a material. Please review your material assignments and leave only the flow volume with a material.’’
This is the link to the project.
Please help me with this. Thank you in advance.