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Hi, i have a doubt about the offset that nastran consider calculating the pcomp shell properties. The manual told that if you left blank the relative field, it places the plane of reference of the shell at a distance even to half of the laminated thickness. Further I know that, but it it is not...

thank you to your help. bye

How can I display the bar cross section created by means Hyperbeam? Is it necessary create a library section?

Hi, I'm converting an Nastran model to LS-Dyna model. I'm a new user, so I'm expertise about LS-Dyna software. My problem consist about create an spring element with coincident nodes with a determinate degree of freedom. In my nastran model I have used three CELAS2 (respectively with one degree...

Thank you 40818 the solution of the problem it is correct. but alone I have resolved it two days ago. thaks the same one.

thank you Onda for attention. you are right, but i posted the previous message too hurriedly. The CBUSH in questions is shown in the attached file. The question is: Why the same modelling technique applied for others items, not cause any problems? and for 5 nodes like in the figure gives the...

thank you Onda for attention. you are right, but I posted the previous message too hurriedly. The CBUSH in question is shown in the attached file. The question is: why the same modelling technique applied for others items, not cause any problems? and for 5 nodes like that in the figure gives the...

Hi, I'm a quite expertise fem user and i've a problem that not meet before today. I modelled some bolts and to simplify the model I have used CBUSH NASTRAN ELEMENTS. the .f06 indicate that there are a mechanisms in X direction. all the degree of freedom are locked because the cbush connect two...