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Marco Curto

Joined: 24 Jun 2014
Posts: 1
Location: Bologna(Italy)

 Posted: Thu Jun 26, 2014 5:23 pm    Post subject: Problem with gyro structure Hi to all, i'm trying to design a model of gyro structure with known dimension of global structure and pore size of known diameter (e. g. : parallelepiped of 22*22*36 mm and pore size of 300 micro m) Could somebody help me? i'm sorry, but i'm new on k3dsurf. cheers, Marco ps: What are the X,Y,Z? what i have to put in? thanks
nextstep

Joined: 06 Jan 2007
Posts: 539

Posted: Fri Jun 27, 2014 12:05 am    Post subject:

Hi Marco,
X, Y and Z are the the grid boundaries. In your case,you should probably work with a grid like this:
X = [0, 22]
Y = [0, 22]
Z = [0, 36]
How can we express the pore section in x,y and z terms? is there a formula for this? if yes, you can tweak the Gyroid formula to meet your needs. I'm not sure about that but you will need to calculate a factor f that depend on the pore section formula. Then replace the current Gyroid formula G(x, y, z) by G(f*x, f*y, f*z)
With a non accurate precision, I'll say a grid :
X = [0, 4]
Y = [0, 4]
Z = [0, 4]
will contain a pore section of almost 4 mm, the factor is then: f=(4/0.3)*(22/4)

 Quote: { "Iso3D": { "Component": [ "Gyroid" ], "Fxyz": [ "cos(x*73.3333333333)*sin(y*73.3333333333)+cos(y*73.3333333333)*sin(z*73.3333333333)+cos(z*73.3333333333)*sin(x*73.3333333333)" ], "Name": [ "Gyroid" ], "Xmax": [ "22" ], "Xmin": [ "0" ], "Ymax": [ "22" ], "Ymin": [ "0" ], "Zmax": [ "36" ], "Zmin": [ "0" ] } }

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Cheers,
Abderrahman
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