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

Procedure:

• Creating mid surface on the given model

1. Import model from geometry (IGES file)
2. Create mid-surface on given model

[geometry->midsurfaces->autoectraction]

3. Remove the surface(make invisible)just keep the mid surfaces

4. Make offset value 5 in holes on the model

[geometry->quick edit->washersplit->offsetvalue(5)]

5. Mesh the mid surface with size of 5 units

[2D-automesh-automesh-element size(5)]

6. Adjust the no of nodes in holes for better structure of mesh

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

given data: Cross-Section: BOX- Dimension a= 12 mm

dimension b=10 mm

Thickness t= 0.75 mm

Procedure:

• create rbe2with only dof only on translational direction

(only in dof1,2,3)[nodes-calculatenode-bypath]

• by creating rbe2 elements in 2 holes in model connect it with a rod element by creating nodes on both rbe2 link

[1D-rod-nodes]

• create box element with given size

[1D-hyperbeam-standardsection- hyperbeam-thin walled box] and give the dimension as per given

• create property for rod element and assign the property
• set card image into PROD
• set beam section to given dimensions
• assign the property and set into 2D view

• 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

Procedure

• create RBE3 link in all DOF

[1D-RBE3-calculate node-by path]

• create beam element by connecting the RBE3 elements

[1D-beam-nodes-create]

• create the I section in given dimension

[1D-hyperbeam-standardsection- hyperbeam- I section]

• create a property for beam element
• set card image PBEAM
• set beam section into given section
• assign all property and set into 2D view

• 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

procedure

• create RBE3 link in all DOF

[1D-RBE3-calculate node-by path]

• create bar element by connecting the RBE3 elements

[1D-beam-nodes-create]

• create the x section in given dimension

[1D-hyperbeam-standardsection- optistruct- cross section]

• create a property for bar element
• set card image PBAR
• set beam section into given section
• assign all property and set into 2D view

• & e. Apply the massof magnitude 10 with the RBE2 link

Procedure

• create RBE2 link in all DOF

[1D-RBE3-calculate node-by path]

• create a mass of magnitude =10 in each RBE2 link

• Join the two components with Spring elements

Procedure

Create a spring element in both edges

[1D-spring-node-create]

Conclusion

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

Fig: Isometric view

FIG: Front view

Fig: top view