Tutorial Material for Pro/ENGINEER Wildfire 2.0 pdf

Close the References window by click close button Figure 4.. To choose the Line tools, you can directly click the Line Tool in the Sketcher Tools region, or click menu Sketch Æ Line Æ L

Tutorial Material for

Pro/ENGINEER Wildfire 2.0

With Integrated Pro/MECHANICA

Tutorial 3: Modeling L-Shaped Rod and Performing Finite Element Analysis using Pro/MECHANICA

Chuanyu Feng, PhD

chuanyufeng@yahoo.com

Introduction

This tutorial is similar to Tutorial 2 The difference is that, in this part, you will use

Sweep feature to make an L-Shaped Rod, and then apply proper boundary conditions

and loads to analyze it

Create an L-Shaped Rod

In this session, you will make a simple Pro/E part, and further practice the basic modeling technique: sketching and sweep

Starting Pro/E and Creating new Part

1 Start Pro/E Wildfire

2 Click menu: File Æ New A dialog will pop up (Figure 1)

3 Give a new name and/or description if desired

4 Click OK button and Pro/E will create an empty solid part as shown in Figure 2

Figure 2 Layout of an empty Pro/E part

Sketch and Sweep

1 Click the “Top” Reference plan This is where you draw a sketch

2 Click the Sketch tool All the information should be filled up (Figure 3)

3 Click Sketch button in Figure 3.

4 Now Pro/E is in the Sketch mode This will allow you to sketch in the XZ plane

5 Close the References window by click close button (Figure 4)

2 Click Sketch tool

1 Choose TOP

sketch plane

Figure 3 Start a sketch: Options

Figure 4 Start a sketch

FYI: Insert and Sketch are the most useful tools Some of them have a speed button in the Toolbar region

6 You can setup Grid and Snap options by Click menu Sketch Æ Options, check

Grid and Snap to Grid options Click the Green Check button: (Figure 5)

7 Choose the Line Tool on the right toolbar to make a sketch To choose the Line

tools, you can directly click the Line Tool in the Sketcher Tools region, or click menu Sketch Æ Line Æ Line

Figure 5 Sketcher Preferences and Menu Manager

Figure 6 Draw the sketch

8 Draw two lines as shown in Figure 6 using Line Tool

9 Change dimension; make it 10 and 3 as shown (you can also change it later

after you make the fillet)

10 Click Fit tool to redraw the sketch

11 Click the Fillet tool to choose the fillet tool

12 Click on the two lines ( move the mouse near the corner of these two lines)

13 Double click the fillet dimension, and change it to 1 ( Figure 7 is the final

sketch)

Click the lines near here to create a circular fillet

1 Use the Line Tool to draw two lines as following

2 Use fillet tools to draw the tangent arc

Figure 7 Final Sketch

14 If you want to change the dimension, double click on the dimension itself,

then type in a new dimension

15 Click Checkmark to finish the sketch

16 Rotate the sketch by moving the mouse around while Holding middle mouse button down

17 Now you have a sketch in the 3D space (Figure 8)

Double click the fillet radius

dimension to change it to 1

This will be the final looking of the trajectory sketch used to generate an L- Shaped Rod

Figure 8 3D view of the Sketch

18 Click main menu: Insert Æ Sweep Æ Protrusion,

Figure 9 Sweep Feature

19 Choose Select Traj from the Menu Manager

Figure 10 Select Trajectory

20 Holding Ctrl key and Click / select the segment of the sketch one by one

When finished, click Middle mouse button or click OK in the select window

Figure 11, select the segments

Select one by one while holding

Ctrl Key

1

2

3

21 Click Middle mouse button or Done in the Menu Manager to finish it (Figure

12)

Figure 12 click Done

22 Pro/E will move to next step automatically as shown in Figure 13

Figure 13 Ask for Section

23 Move away the Protrusion sweep window so you can see the sketcher tools

24 Select Circle tool and draw as shown in Figure 14, change diameter to 1

25 Finish the sketch by click

Figure 14 Draw the section

26 Click OK in the Protrusion sweep window to generate the SWEEP feature

Figure 15 Final L-Shaped Rod

2 Draw the section

1 Select circle tool

3 Finish the sketch

4 Click

OK

27 Click Fit tool on the tool bar to redraw the L-shaped rod

28 Save the part by click File Æ Save, or click the disk icon in the tool bar

FEA using Pro/MECHANICA

Similar to Tutorial 2, you will use integrated Pro/MECHANICA to analyze the L-Shaped Rod It also consists of 3 steps:

1 Assign material information

2 Setup load and constraint boundary conditions

3 Run the analysis and view the results

Change working mode to Pro/MECHANICA

1 Click menu Applications Æ Mechanica to Enter Pro/MECHANICA working mode

2 Review the unit information, Click Continue button to proceed (Figure 16)

Figure 16 Unit information

3 In pop-up dialog Model Type, select Structure if it is not there (Figure 17)

4 Make sure FEM Mode is UN-checked This option tells Pro/MECHANICA to use its own FEA solver If you check the FEM Mode, it will generate FEA input file for external solvers, such as ANSYS

5 Click OK to proceed

Figure 17 Choose the working model type

Create a new material and assign it to the part

1 Show the Mechanica Objects and Actions tool bar on the right chest region

Figure 18 Right toolchest configuration

1 Put mouse in the right toolchest region,

2 Right click the show

up the Configuration menu

3 Make sure Mechanica Objects and Actions are checked This information

is also accessible from Main Menu:

Inserts and Analysis

2 Select Main menu: Properties Æ Materials

3 Select Al6061 from the Material in Library List

4 Click add it to the Material in Model List

Figure 19 Materials

5 Click Assign button, Select Part from the list menu Pro/E will hide the materials

dialog and let you choose the part for the material

6 Move mouse over the Rod, it will become highlighted Click on it

7 Click middle mouse button to confirm the selection Or Click the OK button

in the Select window

8 close the materials window

9 Save the file

1 Select Al 6061

2 Click it

3 Click Assign Æ Part

Apply Boundary Conditions: Constraints and Loads

Boundary conditions including loads and constraints are applied in this section You

can use the shortcut on the toolbar or use corresponding menu

Displacement boundary

1 Click empty area in the graphic area to deselect anything

2 Click or main menu: Insert Æ Displacement Constraint … , You will see

something like Figure 20

3 Select one end of the rod ( Long arm end)

4 Click mouse middle button to confirm the selection ( or click OK button in the

select window) Then the two small windows at the bottom will close

Figure 20 Apply constraints

These 3 new windows will pop up for inputting corresponding information

Click this end to select

Click middle mouse button

or OK button

Notice this!

5 Input Fixed_End as the name of the constraint, and then click OK button to finis

Apply Load

6 Rotate the Rod, let the end of the short arm facing you This time you will use a

new method to apply load

7 Let’s select the surface as shown in Figure 22 first

8 Then click the or main menu: Insert Æ Force/Moment Load…

9 Notice that in the Force/Moment Load window, reference has been selected

already

10 Change the name to Applied_Load,

11 Input the load as shown in Figure 22, x= -75, y = -80, z =100

12 Click Ok to confirm it

13 Now the Boundary conditions are all setup We are ready to do the analysis

Figure 22 Apply Load

1 Select this surface

first

2 Click Force/Moment Load …

3 Selection is finished

already

Figure 23 Rod with Load and displacement boundary condition applied

You can review and edit load and displacement boundary conditions from Model Tree

14 Click main menu: Analysis Æ Mechanical Analysis/Studies …

15 It will bring the Analysis and Design Studies window (Figure 24)

16 Click menu FileÆNew Static …from Analysis and Design studies window

Figure 24

17 It will bring the Static Analysis Definition window (Figure 25)

18 Make sure Constrains and Loads set are highlighted

19 Click OK to proceed

Figure 25

20 Click menu: Run Æ Start in the Analysis and Design Studies

window(Figure 26)

21 Click Yes on the Question window for error detection

22 Click the Display study status button to see the status of analysis

Figure 26 Run analysis

Display study status

Showing results later

Figure 27 Run status

23 Analysis will be done once you see the Run Completed Close the window when

it is done

24 click the main menu: Analysis Æ Results … ( button ), Pro/E will start a

new window Click menu: Insert Æ Results Window…, you will see a new window popped up, Result Window Definition

25 If you click the button directly in the window show in Figure 26, it will automatically pop up Result Window Definition with opened result (Figure

30) So you can go to Step 29 directly

Figure 28

26 Click the button

27 chose Analysis1, click Open

Figure 29 Open the result file

28 Result Window Definition is extended, more options are shown

29 Choose xx component in Quantity page(Figure 30)

30 Select Display Options page, setup as shown in the following figure Make sure

Deformed option is un-checked

31 Click OK and Show to display the stress distribution

32 You can turn off the shade option by click: View Æ Shade ( un-check it)

Figure 31 Setup options

33 You can edit the Result window options anytime by select menu: Edit Æ Result

Window (or click ) to edit the result window

Figure 32 Results

34 In the Result Surface Definition window, change the type to Capping

Surface, select YZ –plane, and the Below location Uncheck the % box and

type in a depth of 8 inches from the origin (elbow of the rod) as shown below The Click Apply button to see the effect

Figure 34

35 Click the Left view from the Save view list , you can then zoom in to check

the detailed stress distribution

36 Use the technique in Tutorial 02 to save the result as an image file

37 Alternative method to save results as an image file: Press key: Alt + Print

Screen to copy the full result window into clip board, then use windows

program Paint or any other program to save it into a JPEG file For Paint

program, Click Start Æ Programs Æ Accessories Æ Paint Use Ctrl + V to

paste it Save it as jpeg file All pictures in these tutorials were obtained through this method

Figure 35