What is the meaning of smear in PCOMP card, to define orthotrophic material lay-ups? In which situation, this smear option is used? When I see the Nastran help, it says ply effects are smeared and the stacking sequence are ignored. If stacking sequnce are ignored, how the analysis will be right...
Thanks! In case if I do not have tauXY of lamina, will the avearge of tensile strength of fiber in 0 degree and 90 degree will be the good compromise for shear strength?
Regarding failure criteria, Am I required to use strain values for corresponding stress values (xt,yt,xc,yc,S) in MAT8 card...
I primarly used hypermesh (pre-post), optistruct (linear solver and optimizer) and LSdyna (explicit) in automotive industry. Now we have some aerospace products to be analysed. I was impressed by fellow members in this forum about the capability of NEiNastran for the price. As we already have...
I am doing simple buckling analysis on a carbon fiber tublar product subject to compressive load. I use NE nastran. My model contain PCOMP card and MAT8 card. I have the material property for the carbon prepreg from the supplier from which I am pluging in all the values in MAT8 card. In MAT8...
I am doing simple buckling analysis on a carbon fiber tublar product subject to compressive load. I use NE nastran. My model contain PCOMP card and MAT8 card. I have the material property for the carbon prepreg from the supplier from which I am pluging in all the values in MAT8 card. In MAT8...
