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i am with Patran and Nastran.

rb1957, I was asking about using cweld to joint shell elements with other perpendicular shell elements as compositecurves said. In this case there is no pinned joint am i right?

what is the advantage of using c-weld elements in perpendicular shell elements? instead of merging the nodes?

about solid/shell conection, I used shell elements coincident to the solid faces to transmit the moments to the shell elements of the wall

hello, nodes are simply merged. I've never heard about cweld elements, don't they make the structure stiffener? irq, yes, i am using Patran/Nastran. About averaging, I'am not very used to Patran, could you help me with this? how can i plot results wihtout averaging?

hello, I am modeling a structure with shell elements and I am having very high local stresses in the areas where perpendicular shells are connected as you can see in the attached file. In the real strucutre the webs are welded to the rest of the structure. I've heard that perpendicular shell...

zekeman, the paralelogram begins with the four links aligned, this is not a "maximum mecanical advantage" position. it is a singularity position.

I forgot to tell that I'm using adams to simulate this. I don't know if I put the post in the correct forum, sorry

Hi everyone, first of all sorry for my english... What a I want to do is the release of to discs Those discs are parallel and conected by bolts. there are also some pretensed string between them so that when the bolts "dissapear" te strings push the discs and separate them. My problem is that...