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composite shells

Question asked by 1-6JA5FS on Dec 3, 2009
Latest reply on Jan 21, 2010 by Adam Flick
I am using composite shells with a custom orthotropic material (with all the properties defined) on a very simple model.  When I run the model I keep getting the warning message that the material strength is not defined for failure analysis (so when I run a FOS analysis I don't get meaningful results).  I even tried running the model with the material properties found in the tutorial on composite shells - same warning message.  Any help is appreciated.