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    • Rahul Ponginan

      Please click here for a short but important announcement   03/26/17

      Dear Users Our Commercial and Academic users around the world can use these same forums here as before i.e. the Altair Support Forum , Commercial users from India with solver queries can go to the Solver Forum for India Commercial Users , Academic Users from India and AOC India Participants are requested to go to the Forum for India Academic Users and AOC India Participants , We will be tending to all queries in all the forums promptly as before, thank you for your understanding. 
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Edouard Ferry

KTex LayUp - REV vs Size/Shape

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KTex LayUp is dedicated to representing one of the composite materials manufacturing processes: the molding or RTM process.

 

Its main objective is to automatically set-up a ready-to-run finite element model simulating this process. To do so, two input parameters are needed: the fabric and the mold.

Some molds and fabrics are included in the tool database, but bespoke ones can also be created. A video regarding mold creation will come later.

 

When selecting a fabric, two options are available: REV or Size/Shape.

 

The REV option only needs the Representative Elementary Volume of the fabric. This REV is then duplicated and translated as many times as needed to be bigger than the mold. But the final geometry of the fabric to be molded will always be a square.

 

The Size/Shape option needs the geometry of the fabric to be molded. This fabric can be a stack of several plies. It can feature several plies of different geometries, thicknesses or patterns... Anything is possible in order to represent the real plies that are to be molded. The user is free to define the fabric, but the user has to be careful as mistakes will not be detected.

 

The attached video gives an example of the difference between the two options.

KTexLayUp_REVvsSHAPE.mp4

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