Challenge

Week 9-Creation of 1D Connectors Challenge

OBJECTIVE :

To create the mesh on the given model and create the connector and attachment of various components.

Target Element size - 5 Units

Create connector and Attach the various parts of the given model

1. Right_Rail_2 & Front_truss_1:- Seam-Quad(angled+capped+L)

2. Left_Rail_2 & Front_truss_1:- Quad elements

3. Front_truss_2, Front_truss_1 & Right_Rail_1:- Spot weld with 2 Layers and 5 mm Diameter

4. Front_truss_2, Front_truss_1 & Left_Rail_1:- Hexa (Adhesive)

5. Rear_truss_2 & Right_Rail_2:- Bolt Connector

6. Rear_truss_2 & Left_Rail_2:- Bolt Connector

7. Right_Rail_1 & Right_Rail_2:- Spot-weld with Rigid Elements

8. Left_Rail_1 & Left_Rail_2:- Spot-weld with Spring Elements

9. Rest all the component left Join them with suitable connectors

CAD MODEL:

PROCEDURE :

1. Import the cad model in hypermesh.

2. Make a 2D mesh on the every components of the model by the given quality criteria.

Here the given components are meshed with 0 % of failing elements.

CONNECTION :

1. Right_Rail_2 & Front_truss_1:- Seam-Quad(angled+capped+L)

To create a seam weld: Connectors - seam
Select the nodes (by path) on one of the component and tolerance = Specify the search distance (10mm)
Select the two components and keep the imprint check on
weld type is set as seam-quad (angled+capped+L)
The spacing is set a 5mm. Spacing defines the distance between the two adjacent weld
elements

2. Left_Rail_2 & Front_truss_1:- Quad elements

To create a seam weld: Connectors - seam
Select the nodes (by path) on one of the components and tolerance = Specify the search distance (10mm).
Select the two components and keep the imprint check on.
weld type is set as quad and the spacing (distance between the two adjacent weld
elements) is kept as 5mm.

3. Front_truss_2, Front_truss_1 & Right_Rail_1:- Spot weld with 2 Layers and 5 mm Diameter

To create a spot weld: 2D - connectors - spot - type=weld
Select all the required nodes where the location of the spot weld has to be placed.
Then select all the 3 components

4. Front_truss_2, Front_truss_1 & Left_Rail_1:- Hexa (Adhesive)

To create a seam weld: Connectors - seam
Select the nodes (by path) on one of the component and tolerance = Specify the search distance (10mm).
Select the two components and keep the imprint check on.
weld type is set as hexa (adhesive) under the weld type category.
The strips and coats of the weld can be altered. In this case, the strip is set as 2 and a single
coating is specified and width is 2 mm.

5. Rear_truss_2 & Right_Rail_2:- Bolt Connector

Specify the location of the bolt by selecting two single nodes at a certain distance in one of the component since two bolt connectors are being realised.
Select the two components which has to be fixed by the bolt.
Specify the search length (about 10mm)
If the hole is not there select the option create hole,if none.
The realised bolt connection is shown below.

6. Rear_truss_2 & Left_Rail_2:- Bolt Connector

Same the step followed by previous Rear_truss_2 & Right_Rail_2.

7. Right_Rail_1 & Right_Rail_2:- Spot-weld with Rigid Elements

To create a spot weld: 1D - connectors - spot - type=rigids
Select all the required nodes where the location of the spot weld has to be placed.
Specify the diameter and number of layers as 2.
select the components.

8. Left_Rail_1 & Left_Rail_2:- Spot-weld with Spring Elements

To create a spot weld: 1D - connectors - spot - type=spring
Select all the required nodes where the location of the spot weld has to be placed.
Specify the diameter and number of layers as 2.
select the components.

9. Rest all the component left Join them with suitable connectors

FINAL MODEL IMAGE:

RESULT :

The given model is meshed with the given qality criteria and 1D connections are created and the parts were attached with various connections.

Ship work like this
in your own course.