Week 4- Challenge
AIM:- Create 1D elements on the following component with given cross-section and DOF.
SOFTWARE USED:-
HYPERMESH
PROCEDURE:-
A)MIDSURFACE CREATION:-
1)Import the CAD file into hypermesh.
2) Go to GEOM-> midsurface->select the surface->extract. Follow this procedure for the top as well as bottom of the component.
3)Assign material to the midsurface.Go to the status tree, right click and create material. Give the values of E,NU,rho, to the material.
4)Create two independent midsurfaces. If they are to be in the same component, then transfer the midsurface. Go to tools->organize->select surface-> give destination->Move.
5)Assign property to the misurface.
6)Give washer's split to the holes and 2D mesh the midsurface. Equate the nodes with the washer's split.

B)CREATING 1D ELEMENTS:-
I. ROD ELEMENT:-
1) Create RBE2 links. Go to 1D->rigids->Select the nodes->Create
2)To create box, go to hyperbeam->standard section->select hyperbeam from drop menu->thinwalled box from bottom drop menu->create.
3)Hyperbeam will open. Give the dimensions of your section and click model view to open hypermesh.

4)Create a new property of rod. select card image as PROD. Assign the beam specification as created in hyperbeam.
5)Go to 1D->rods, select property that you created. Change element types to CROD, select the nodes.

II) BEAM ELEMENT:-
1)Create RBE3 elements. Uncheck all DOFS. Select the nodes and create.
2)Go to hyperbeam->create->standard selection->Hypermesh->I section. Give the dimensions and go back to hypermesh.
3)Specify the dimensions in the new created property. Card image PBEAM. Go to bars, select the nodes and give property beam, change element types to CBEAM. create the element.

III) BAR ELEMENT:-
1)Create RBE3 links as mentioned above and deselect x and y dofs.
2)Create the cross figure in hyperbeam and give the dimensions as above mentioned.
3)Import the porperty of new created element. Change the card image to PBAR.
4)Go to 1D->bars->select the property as bar->elemen types as CBAR->node A->node B->N1,N2,N3.

IV) MASS ELEMENT:-
1)Go to 1D-> Rigids->select nodes->Create
2)1D->Masses ->mass=10->elem type-CMASS1->Property->Bracket_Top->create

V) SPRING:-
1)Create a new property spring, give card image as PBUSH. Assign the values.
2)1D->springs->elem type-CELAS1->property-spring->select nodes

FINAL IMAGE

RESULT:-

Hence we are able to create the requires 1D elements and also create the midsurface.
FILE LINK:-
https://drive.google.com/file/d/1J_rfIpH2TpRs_rW-Exdk_13-cK0HY8cx/view?usp=sharing