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-   -   [GAMBIT] single and twin screw geometry (http://www.cfd-online.com/Forums/ansys-meshing/70848-single-twin-screw-geometry.html)

imran December 8, 2009 03:55

single and twin screw geometry
 
How to use gambit to develop single and twin screw geometry

imran December 8, 2009 03:58

i am interested in finding out method to develop single and twin screw geometry in gambit

imran December 8, 2009 04:02

Quote:

Originally Posted by imran (Post 239073)
How to use gambit to develop single and twin screw geometry

i need complete procedure;)

imran December 8, 2009 04:05

i need complete procedure of developing single and twin screw geometry in gambit

-mAx- December 9, 2009 07:59

create the face you want to extrude.
Then use the sweep face tool, type perpendicular, enable twist option, and finally give the right angle

imran December 10, 2009 05:12

Please narrate steps involved in creating faces of extruder .I am just beginner of software

-mAx- December 10, 2009 06:55

what kind of face do you have?

imran December 28, 2009 09:18

i want first to develop 2D geometry of single and double screw extruder .Pl narrate steps in developing their geometry in gambit And further to mesh it using mesh superposition technique for simulation in fluent

imran January 3, 2010 08:39

Twin screw geometry in gmbit
 
I have created circular face for extrusion and swept the face giving type perpendicular and twist option and giving angle of 180 Volume is created with circular face at the other end too. I swept faces in small segments along small edges making zig zag volume with circular face after each segment. Please some body tells is it correct method? what is next?

-mAx- January 4, 2010 01:50

extract fluid domain.
Create a surrounding volume (containing your 2 screws) and substract this volume with the 2 others (boolean operation)

imran January 9, 2010 23:18

Simulation on mixing of two immiscible fluids in extruder
 
I have created geometry of single screw extruder in gambit .Now i have to simulate two immiscible fluids. Is fluent 6 is applicable ? what sort of model is applicable? Two fluids are liquids one being highly viscous:)

-mAx- January 11, 2010 01:55

It should be ok with fluent.
Check Online Help

imran January 20, 2010 12:00

i am using VOF model for mixing of Ethylene vinyl chloride and ethylene glycol Boundary conditions are moving reference frame of moving fluid and stationary wall inlet is pressure inlet ,the dimensions of single screw is 30mmdia &45 mm screw length on iteration flow is reversed and after 5 -6 iteration error pl help to getout of it


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