Software Use > Creating & Editing Composite Laminates

Laminate creation form

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ohba:
I have a question regarding the laminate defintion form

I am using a laminate already defined in an existing database.

I would like to know what are the column L1, L2 and L3 between the column corresponding to the angle and the column corrsesponding to the thickness ?
These columns also include little toggle switch.
So I'm guessing it is to turn off some plies in the laminate definition (ply drop off ?). But then how do I specify which one of the L1, L2 or L3 definition is actually being used in my analysis?

Phil:
These L2, L3 and L4 columns are used when defining a "hyper-laminate" which is used to define ply drops between the upper flange, web, and lower flange of a stiffened panel.

Please see the following topics and let me know if you still have questions about this method:

http://hypersizer.com/faq/index.php?topic=29.0

http://hypersizer.com/faq/index.php?topic=105.0

http://hypersizer.com/faq/index.php?topic=46.0

http://hypersizer.com/faq/index.php?topic=16.0

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