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Hi IRQ ! Did you perform any picture frame test on honeycomb panel ? Do you agree with the fact that 4 points bending will not give you biaxial loading but uniaxial (compression on one side and tension on the other). In such test depending on the fiber direction you can determine the modulus of...

Hi you can find plenty of information about the picture frame test online. The ASTM is working on a work item WK35142. To me the 4 bending (on long beam) test will allow you to get the allowable of the matrix in bending when you put the fiber a +- 45.

Hello everybody, I am currently studying the behavior of composite plates in 4 points bending and in-plane shear and especially the strain in the panel depending on the fiber orientation. Let’s take a plate with a fiber orientation 0/90 degree (weave fabric) subjected to a 4 points bending...

Hello everybody, I'm working on Patran software with the msc laminate modeler. I fairly unexperienced with this software. Recently I have had some problems : 1) During the "analysis run" the output file .op2 or .xdb is never created by software, so I can get any results! 2) When I try to do...