Week 4-1D Element Creation Challenge

Mesh the Given component with the Size of 5 Units. Create 1D elements on the following component with given cross-section and DOF

a. Rod element:- Translational DOF should be Constrained with RBE2 link

Cross-Section: BOX- Dimension a= 12 mm

dimension b=10 mm

Thickness t= 0.75 mm

b. Beam element:- All DOF should be constrained with RBE3 link

Cross-Section: I Section- Dimension a= 8 mm

Dimension b= 10 mm

Dimension c= 8.5 mm

Thickness t1= 0.75 mm

Thickness t2= .6 mm

Thickness t3= .6 mm

c. Bar element:- Constrain only x and y DOFs With RBE3 link

Cross-section: X section- Dimension DIM1= 5 mm

Thickness DIM2= 1.2 mm

Dimension DIM3= 10 mm

Thickness DIM4= 1.2mm

d. & e. Apply the mass of magnitude 10 with the RBE2 link

f. Join the two components with Spring elements

PROCEDURE:

1.Importing the geometry-

• Import the geometry into the workspace and delete the wireframe.

2.Creating the mid surface for the given component-

• Select the component and create a mid surface for the top component (bracket 1) by making it current selection.

BRACKET 1

BRACKET 2

• Select the component and create a mid surface for the bottom component (bracket 2) by making its current selection

3. Meshing the component-

• To mesh the given component, we need to create washer splits near the hole region for a smooth mesh. Washer split offset we selected is 5mm.

• Generate the mesh with element size as 5mm with mixed element type.

4.Create Material -

• We select steel as the material for this component.

5.Creating the properties-

• We created the properties for the respective component also creating rod, beam bar& mass properties with assigning the Card ID and material.

6. Create the 1D Elements-

• To create the 1D element, we need to go the hyper beam tool and select the respective cross-section for creating the 1D element and give the assigned dimension to the geometry as mentioned in the specification.

ROD 1D:

BEAM 1D:

BAR 1D:

7.Create the rigid at points a, b, c & d-

• Create the RBE2 and RBE3 at the respective holes with the given DOF.

8. Create the 1D element on the rigid -

• Creating the rod, bar and beam 1D elements at the respective node points.

• Update the 1D element with respect to their property.

• Create the mass at node d and spring between 2 brackets.

2-D element detailed representation:

Learning Outcomes :

• Understanding the use of 1D elements

• Deploying the suitable 1D elements on the respective places

• Assigning the cross-section and property to that

• Solid representation of 1D elements

Conclusion:

• Extracted the mid-surface for the given component and Created a Mesh on the mid-surface

• Deployed suitable 1D Element ( RBE2, RBE3, ROD, BAR, BEAM , MASS, SPRING etc ) to the respective places.

• Assigned Cross-section and property to the 1D elements

• Created Solid representations of 1D Element.