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Found 2 results

1. ## Composite Interlaminar shear stress

Hi everyone, I have a question about how the interlaminar stresses are calculated in shell element. I cant find it in the software documentation I have. The thin shell element model does not calculate the interlaminar stresses or shear stresses right? So there is a need to calculate it in another way, does it uses the equilibrium: xTension/dx + xyShear/dy + xzInterLamShear/dz = 0? What about in the free edge, does it assume zero there? What's the failure criteria used? Is it a quadratic considering both xz and yz InterLamShear or just linear? Sorry for so many questions but I need to justify this in my master thesis. Thank you very much, Best regards Gonçalo
2. ## Inter laminar allowable shear stress

I am modelling a helicopter blade, with a leading edge mass ballast. I am not sure how to get a standard value for the inter laminar allowable shear stress value for unidirectional carbon fibre. Additionally, how would i model the allowable shear between the metallic mass ballast and the carbon fibre ontop of it? Kind Regards, Mohamed
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