Help Modelling Motion of Propeller Attached to Body (+ Boolean)

3liminate · September 11, 2020, 21:43

Hi,

I'm wanting some help please with modelling a propeller using a rotation reference frame.

I currently have three parts (Part 1 = Fuselage Body with Propeller/Spinner, Part 2 = Wind Tunnel (Rectangular Prism), Part 3 = Cylinder around propeller [to be used for moving reference frame]).

How do I use the Boolean Subtract feature to correctly set up the model in terms of input and target parts? I currently have the wind tunnel domain set up as Part 1 and Part 2 being the Input, and Part 2 as Target. Now when I want to model motion, I'm unsure of how to set up Part 3 Correctly. Is it fine that the Propeller and Spinner are attached to the fuselage body as one part (Party 1), or must they be split up separately as another... e.g. part 4?

Thank you so much.

cwl · September 12, 2020, 02:19

I'm pretty sure - following tutorials from the User Guide would help you a lot:
page 10021 - Moving Reference Frames: Rotating Fan
page 10054 - Rigid Body Motion: Rotating Fan
page 10117 - Moving Reference Frames: Marine Propeller in Open Water

3liminate · September 12, 2020, 03:18

Thanks for the reply cwl,

Yes, I've gone through the tutes and understand the process. What I'm stuck with is how I should make the domains. For example, in the Open water propeller, they have the rotating region as the propeller, spinner and cylindrical reference frame. But there's no mention of whether they used a boolean subtract to position it in the domain or how to set up the initial parts. That's what I don't understand.

September 11, 2020, 21:43	Help Modelling Motion of Propeller Attached to Body (+ Boolean)	#1
3liminate New Member Join Date: Sep 2020 Posts: 4 Rep Power: 6	Hi, I'm wanting some help please with modelling a propeller using a rotation reference frame. I currently have three parts (Part 1 = Fuselage Body with Propeller/Spinner, Part 2 = Wind Tunnel (Rectangular Prism), Part 3 = Cylinder around propeller [to be used for moving reference frame]). How do I use the Boolean Subtract feature to correctly set up the model in terms of input and target parts? I currently have the wind tunnel domain set up as Part 1 and Part 2 being the Input, and Part 2 as Target. Now when I want to model motion, I'm unsure of how to set up Part 3 Correctly. Is it fine that the Propeller and Spinner are attached to the fuselage body as one part (Party 1), or must they be split up separately as another... e.g. part 4? Thank you so much. Last edited by 3liminate; September 11, 2020 at 21:50. Reason: Clarification

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September 12, 2020, 02:19		#2
cwl Senior Member Chaotic Water Join Date: Jul 2012 Location: Elgrin Fau Posts: 438 Rep Power: 18	I'm pretty sure - following tutorials from the User Guide would help you a lot: page 10021 - Moving Reference Frames: Rotating Fan page 10054 - Rigid Body Motion: Rotating Fan page 10117 - Moving Reference Frames: Marine Propeller in Open Water

September 12, 2020, 03:18		#3
3liminate New Member Join Date: Sep 2020 Posts: 4 Rep Power: 6	Thanks for the reply cwl, Yes, I've gone through the tutes and understand the process. What I'm stuck with is how I should make the domains. For example, in the Open water propeller, they have the rotating region as the propeller, spinner and cylindrical reference frame. But there's no mention of whether they used a boolean subtract to position it in the domain or how to set up the initial parts. That's what I don't understand.