ANSYS Workshop 2 Structural Analysis

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Agenda

Learning Objectives:

Engineering Data

Selecting materials from the ANSYS Material Library

Analysis

Using the Frictionless boundary condition

Applying the Pressure boundary condition

Extracting result using Direction Deformation

Selecting Analysis System

Double click static structural in the Analysis section

Next, double click the Engineering Data Cell

Accessing ANSYS Material Library

Click this icon to access the ANSYS material library

Selecting Material

Click General Materials

Next, select Aluminum Alloy and click the + sign to include it in the Project

Units

One of the most useful capability of ANSYS is the Units assignment

Deleting Redundant Data

Right click Structural Steel and delete this material

Returning To Project

Type in the values of Youngs modulus and Poissons ratio to match those stated in the problem

Next, click this icon to return to the main workbench environment

Importing Geometry

Right click the Geometry Cell, hover the mouse over Import geometry and select Browse

Importing Geometry

Select the design file named Ex 2.5

Entering Mechanical Environment

Right click the Model Cell and select edit. Or double click the Model cell

Assigning Property To Model

Click Geometry in the Project Tree

Assigning Property To Model

In the Details Window that opens, click the Material cell and assign aluminum alloy to the solid model

Applying Frictionless Support B.C.

Right click Static Structural in the Project Tree and select Frictionless Support

Applying Frictionless Support B.C.

Click the Geometry Cell in the Details Windows

Next, hover your mouse just below the Y axis in the triad and when you see the direction vector indicating negative Y-axis, click it

Applying Frictionless Support B.C.

Click the face (this is the bottom face of the solid model), then click apply in the Detals Window

Applying Frictionless Support B.C.

Click the small blue dot to return to isometric view

Applying Frictionless Support B.C.

Applying Pressure B.C.

Right click Static Structure in the Project Tree and select Pressure

Applying Pressure B.C.

Click the face shown, after it turns green click the apply button in Details Window

Applying Pressure B.C.

Applying Pressure B.C.

Click the Define By cell in the Details Window and select Components

Applying Pressure B.C.

In the problem the stress in the direction of positive x-axis is + 84 MPa, make sure that the unit is correct . Type this value in the X component

Applying Pressure B.C.

Repeat the same procedure to achieve the stress distributed as shown

Adding Directional Deformation

Right click Solution in the Project Tree and select Directional Deformation

Adding Directional Deformation

Adding Directional Deformation

1. Click the Geometry cell in the Details Window.

2. Click the Edge Selection filter

3. Select the two edges along the x axis (using the Ctlr key)

4. Click apply

5. Make sure X- axis is selected in the orientation

Adding Directional Deformation

Adding Directional Deformation

Right click the Directional Deformation and select Rename. Then Rename it AB, as given in problem.

Adding Directional Deformation

Adding Directional Deformation

1. Repeat the same procedure of applying Directional Deformation to the line along Z-axis, and Rename it later to CD. Make sure that the orientation is Z-axis

2. Repeat the same procedure for the vertical edge and rename it to thickness Make sure that orientation this time is Y axis

Solving

Right click Solution and click Solve

References

ANSYS Workbench Verification Manual

ANSYS Mechanical Help

ANSYS Workbench Documentation

Problem taken from

Mechanics Of Materials (In SI Units)

by Beer, Johnston & Dewolf 4th Edition

Online Resources

Following links are a good source for practice

http://www.ansys.com/Resource+Library

http://www.mece.ualberta.ca/tutorials/ansys/

https://confluence.cornell.edu/display/SIMULATION/ANSYS+Learning+Modules

http://www.caeai.com/fea-webinars.php

http://www.sdcpublications.com/Textbooks/ANSYS-Workbench-Tutorial-Release-13/ISBN/978-1-58503-671-4/