Tetrakaidecahedron Model or Kelvin Unit Cell

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karthikkumar Participant Join Date: Jun 2018 Posts: 2	Tetrakaidecahedron Model or Kelvin Unit Cell 06/21/2018 10:13 AM
	Hello Friends, Can someone explain me how to create a tetrakaidecahedron model (Kelvin Unit Cell) using Autodesk Inventor? Please suggest me an idea to design it? Kind Regards, Karthikkumar
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JPool Guru Join Date: Apr 2012 Location: Detroit MI, USA Posts: 2496 Good Answers: 271	#1 Re: Tetrakaidecahedron Model or Kelvin Unit cell 06/21/2018 12:00 PM
	Look here. __________________ How we deal with death is at least as important as how we deal with life. --CAPTAIN KIRK, Star Trek II: The Wrath of Khan
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SolarEagle Guru Join Date: Mar 2007 Location: by the beach in Florida Posts: 33392 Good Answers: 1817	#2 Re: Tetrakaidecahedron Model or Kelvin Unit cell 06/21/2018 12:21 PM
	https://www.sciencedirect.com/science/article/pii/S0020768307004465 https://knowledge.autodesk.com/support/inventor-products/getting-started/caas/CloudHelp/cloudhelp/2018/ENU/Inventor-Tutorial/files/GUID-25E3BABE-0FF4-4542-854E-AD2F59E4BB4A-htm.html __________________ All living things seek to control their own destiny....this is the purpose of life
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SolarEagle Guru Join Date: Mar 2007 Location: by the beach in Florida Posts: 33392 Good Answers: 1817	#3 In reply to #2 Re: Tetrakaidecahedron Model or Kelvin Unit cell 06/21/2018 12:57 PM
	..."surface model of a geometrical shape called a "tetrakaidecahedron" which is the approximate geometry of the voids within the metal foam structure. I gave each of the twelve surfaces a thickness creating a solid model of the geometrical shape. I then offset the perimeter outline of each surface by a predetermined distance giving a sketch on each face. The sketch of the offset profile was then extruded by the thickness of the face. This resulted in something resembling a wire frame model of the Tetrakaidecahedron, which I could then give properties to. Hence giving mass & volume. I then created an assembly file where I constrained numerous copies of the Tetrakaidecahedron together to form a model equivalent to a cubic measure of the metal foam. I could then change the offset dimension on the sketch in order to thicken or thin the wireframe member".... https://forums.autodesk.com/t5/inventor-forum/foam-model/td-p/4383697 https://grabcad.com/questions/tetrakaidecahedron-model __________________ All living things seek to control their own destiny....this is the purpose of life
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