HMCFD-T:3200 Passenger Vehicle Morphing

Tutorial Level: Advanced DriveAer model morphing with HyperMesh CFD.

In this tutorial, you are going to create a series of morph shapes for a vehicle model in HyperMesh CFD Design Exploration environment. Any pre-processing procedures required for the model have already been completed in the Geometry Repair environment.

Solution and Environment Selection

When opening HMCFD, the Create Session dialog will appear. Select the Design Exploration environment.
Figure 1.

File Open

Before you begin, copy the file(s) used in this tutorial to your working directory.
  1. From the horizontal toolbar, click File > Open > Model File.
    The File Browser opens.
  2. From the File Browser, change the file type to .hmcfd.
  3. Navigate to your model’s directory, select the DriVAer_Morphing_Tutorial_Start.hmcfd file and click Open.

Design Exploration Environment

From the horizontal toolbar, click View > Part Browser to activate the Part Browser.

Morphing

Rear Window Length

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool.
    Figure 2.
  2. From the secondary toolset, click on the Enclosed tool.
    Figure 3.
  3. From the graphics area, select the elements of the model as shown in the following picture.
    Figure 4.
  4. For Buffer %, set a value of 30.
  5. Click on Confirm to create the control volume.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool.
    Figure 5.
  2. On the guidebar select Seeds and create the following control points on the model.
    Figure 6.
  3. From the Control Points menu, right click on the newly created control points and rename them to RearWindowLength_Active.

Morph

  1. From the Morphing ribbon, Setup group, click on the Morph tool.
    Figure 7.
  2. From the guidebar, select Parts, and then select RearEnd_Fastback part.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 5.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar.
    Figure 8.
    The Advanced Selection dialog opens.
  6. From the dialog, select RearWindowLength_Active control point set, and then close the dialog.
  7. For the Translation Vector, set a value of -0.1 for X direction and a 0.03 for Z direction.
  8. Keep the default value of 0.1 for Impact Radius.
    Note: Attention is required while selecting the Active control points of the morph and their corresponding Impact Radius. Keep the whole area of interest in the effective area of these points (this will be clear later when we visualize the resulting shape).
  9. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  10. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  11. From the Morph Shape menu, right click on the created shape and rename it to RearWindowLength.
    Figure 9.
  12. Click on the green checkmark to exit the tool.

Front Bumper Length

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area, select the elements of the model as shown in the following picture.
    Figure 10.
  3. For Buffer% keep a value of 30.
  4. Click on the Confirm button to create the control volume.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool.
  2. From the guidebar, set the Selection to Elements. A dialog pops up. Select Uniform Method and set Number of Seeds to 50.
  3. From the graphics area, select the elements on the front side of the model as shown in the following picture.
    Figure 11.
  4. Click on the Calculate button to create the control points.
  5. Click on the Play button to create the control points set. From the Control Points menu, right click on the newly created control points and Rename the set to FrontBumperLength_Active.
  6. Repeat Steps 1-5 to create the control points shown in the following picture. From the Control Points menu, right click on the newly created control points and Rename the set to FrontBumperLength_Fixed.
    Figure 12.
  7. Optional: Alternatively, to make sure wheelwells are properly described by the control points, isolate Underbody part from the Part Browser. From Control Points tool guidebar, set the selection to Elements, and select from the graphics area the elements that correspond to the wheelwells. Select Uniform method and a value of 60 to 80 for Number of seeds. Click on the Calculate button to create these control points. Then from the Part Browser, proceed to Show All the parts and then continue to place the rest of the displayed Fixed points.
    Figure 13.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select 10_grill, Underbody, Body parts.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 4.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar.
  6. From the dialog, select FrontBumperLength_Active control point set, and then close the dialog.
  7. Click on Fixed on the guidebar.
  8. Click on the three dots button next to Fixed on the guidebar.
    The Advanced Selection dialog opens.
  9. From the dialog, select FrontBumperLength_Fixed control point set, and then close the dialog.
  10. For the Translation Vector, set a value of -0.15 for X direction.
  11. Set a value of 0.5 for Impact Radius.
  12. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  13. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  14. From the Morph Shape menu, right click on the created shape and rename the new shape as FrontBumperLength. Click on the green checkmark to exit the tool.

Ramp Angle

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area select the elements of the model as shown in the following picture.
  3. For Buffer% keep a value of 30.
  4. Click on the Confirm button to create the control volume.
    Figure 14.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool. Select the Seeds option.
  2. Place control points in the front area of the model as shown in the following picture.
    Figure 15.
  3. Click on the Play button to create the control points set. From the Control Points menu, right click on the newly created control points and Rename the set to RampAngle_Active.
  4. From the Morphing ribbon, Setup group, click the Control Points tool.
  5. From the guidebar, set the Selection to Elements. A dialog pops up. Select Uniform Method and set Number of Seeds to 100.
  6. Click on the Calculate button. Click on the Play button to create the control points set. From the Control Points menu, right click on the newly created control points and Rename the set to RampAngle_Fixed.
    Figure 16.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select Underbody, 10_grill, Body parts.
  3. From the guidebar, click on the MorphVolumes and in the graphics area select the volume created on Step 4.
  4. Click on Active, then click on the three dots button next to it on the guidebar. From the Advanced Selection dialog select RampAngle_Active and close the dialog.
  5. Click on Fixed, then click on the three dots button next to it on the guidebar. From the Advanced Selection dialog select RampAngle_Fixed and close the dialog.
  6. For the Translation Vector, set a value of 0.04 for Z direction.
  7. For Impact Radius, set a value of 1. Keep the Uniform option for Impact Radius type.
  8. From the guidebar, click on the Preview button, examine the morphed geometry and then click on the Play button to create the shape.
  9. From the Morph Shape menu, right click on the new shape and Rename it as RampAngle. Click on the green checkmark to exit the tool.

Trunklid Length

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select the Enclosed tool.
  2. From the graphics area, select the elements of the model as shown in the following picture.
  3. For Buffer% retain a value of 30.
  4. Click Confirm to create the control volume.
    Figure 17.

Control Points

  1. Exit any open tool and right click anywhere in the graphics area. From the right click dialog, click the Polyline button.
    Figure 18.
  2. From the Morphing ribbon, Setup group, click the Control Points tool.
  3. From the guidebar, set the Selection to Elements. A dialog pops up. Select Uniform Method and set Number of Seeds to 50.
  4. From the graphics area select the elements on the rear side of the model as shown in the following picture.
    Figure 19.
  5. Click on the Calculate button. Review the seeds location and then click on the Play button to create the control points set.
  6. From the Control Points menu, right click on the new control points set and rename as TrunklidLength_Active.
  7. Repeat Step 1 to return to Box Select.
  8. Click on the Control Points tool, then click on Seeds and create the following control points on the rear windshield of the model.
    Figure 20.
  9. Click on the Play button to create the set, and from the Control Points menu right click and rename it as TrunklidLength_Fixed.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select Underbody, RearEnd_FastBack, ExhaustSystem, Body parts.
  3. From the guidebar click on the MorphVolumes and in the graphics area select the volume created on Step 4.
  4. Click on Active, then click on the three dots button next to it on the guidebar. From the Advanced Selection dialog, select TrunklidLength_Active and close the dialog.
  5. Click on Fixed, then click on the three dots button next to it on the guidebar. From the Advanced Selection dialog, select TrunklidLength_Fixed and close the dialog.
  6. For the Translation Vector, set a value of 0.15 for X direction.
  7. For Impact Radius, use a value of 0.5. Keep the Uniform option for Impact Radius type.
  8. From the guidebar, click on the Preview button, examine the morphed geometry and then click on the Play button to create the shape.
  9. From the Morph Shape menu right click on the new shape and Rename it as TrunklidLength. Click on the green checkmark to exit the tool.

Diffusor Angle

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area select the elements of the model as shown in the following picture.
  3. For Buffer% set a value of 30.
  4. Click on Confirm to create the control volume.
    Figure 21.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on the Parts and select Underbody, Body, ExhaustSystem parts.
  3. From the guidebar, click on the Morph Volumes and in graphics select the volume created on Step 4.
  4. From the guidebar click on Active and create the following control points on the model.
    Figure 22.
  5. For the Translation Vector set a value of -0.03 on Z direction.
  6. For Impact Radius set Non-Uniform type and a value of (0.4, 0.2, 0.2).
  7. Set a value of 1 for Smoothing factor.
  8. From the guidebar, click on Preview button, examine the morphed geometry and then click on the Play button to create the new shape.
  9. From the Morph Shape menu, right click on the new shape and Rename it as DiffusorAngle. Click on the green checkmark to exit the tool.

Trunklid Angle

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area, select the elements of the model as shown in the following picture.
    Figure 23.
  3. For Buffer% keep a value of 30.
  4. Click on the Confirm button to create the control volume.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts. Select RearEnd_Fastback, Body.
  3. From the guidebar, click on MorphVolumes and in the graphics area select the control volume created on Step 4.
  4. Click on Active on the guidebar. In the graphics area, create the following control points.
    Figure 24.
  5. For the Translation Vector, set a value of 0.05 in Z direction.
  6. Set a value of 0.05 for Impact Radius.
  7. From the guidebar, click on the Preview button. Examine the morphed geometry and then click on the Play button to create the shape.
  8. From the Morph Shape menu, right click on the created shape and rename the new shape as TrunklidAngle. Click on the green checkmark to exit the tool.

Front Bumper Curvature

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area, select the elements on the front end of the model as shown in the following picture.
    Figure 25.
  3. For Buffer% keep a value of 30.
  4. Click on the Confirm button to create the control volume.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool. Select the Seeds option.
  2. Place the following control points on the model, as shown in the following picture.
    Figure 26.
  3. Click on the Play button to create the control points set. From the Control Points menu, right click on the newly created control points and Rename the set to FrontBumperCurvature_Active.
  4. Repeat Steps 1-3 and create the control points shown in the following picture. From the Control Points menu, right click on the newly created control points and Rename the set to FrontBumperCurvature_Fixed.
    Figure 27.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select 10_grill, Underbody, Body parts.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 4.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar. The Advanced Selection dialog opens. From the list, select FrontBumperCurvature_Active and close the dialog.
  6. Click on Fixed on the guidebar. Click on the three dots button next to Fixed on the guidebar. The Advanced Selection dialog opens. From the list, select FrontBumperCurvature_Fixed and close the dialog.
  7. For the Translation Vector, set a value of -0.15 for X direction.
  8. Set a value of 0.2 for Impact Radius.
  9. Enable the Consider Symmetry option. Set Symmetry plane normal as (0, -1, 0).
  10. From the guidebar click on Preview, Examine the morphed geometry and then click on the Play button to create the shape.
  11. From the Morph Shape menu, right click on the created shape and rename the new shape as FrontBumperCurvature. Click on the green checkmark to exit the tool.
    Note: For this morph, Active control points were set on the outer side of the control volume to make an X direction translation that will affect the desired angle for Front Bumper Curvature. An alternative way of work is to select the control points set near the grill as the Active control points and create a morph by setting a Y direction translation to achieve a similar result (but keeping a different side of the model as fixed).

Car Width

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area, select all the elements of the model.
    Figure 28.
  3. Click Confirm to create the control volume.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool.
  2. From the guidebar, set the Selection to Elements. A dialog pops up. Select Uniform Method and set Number of Seeds to 150.
  3. From the graphics area, select the elements on the left side of the model as shown in the following picture.
  4. Click on the Calculate button. Review the seeds location and then click on the Play button to create the control points set.
    Figure 29.
  5. From the Control Points menu, right click on the newly created control points and rename the set to CarWidth_Active.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select all the parts in the graphics area.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 3.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar. The Advanced Selection dialog opens. From the list select CarWidth_Active and close the dialog.
  6. For the Translation Vector, set a value of -0.15 for Y direction.
  7. Set a value of 0.5 for Impact Radius.
  8. Enable the Consider Symmetry option. Set Symmetry plane normal as (0, -1, 0).
  9. From the guidebar click on Preview. Examine the morphed geometry and then click on the Play button to create the shape.
  10. From the Morph Shape menu, right click on the created shape and rename the new shape as CarWidth. Click on the green checkmark to exit the tool.

Car Roof Height

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area select the elements of the model as shown in the following picture.
  3. Keep a Buffer% value of 30.
  4. Click on Confirm to create the control volume.
    Figure 30.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool.
  2. From the guidebar, set the Selection to Elements. A dialog pops up. Select Uniform Method and set Number of Seeds to 50.
  3. From the graphics area, select the elements on the left side of the model as shown in the following picture.
  4. Click on the Calculate button. Review the seeds location and then click on the Play button to create the control points set.
    Figure 31.
  5. From the Control Points menu, right click on the newly created control points and rename the set to CarRoofHeight_Active.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select RearEnd_Fastback, Body parts.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 5.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar.
    The Advanced Selection dialog opens.
  6. From the dialog, select CarRoofHeight_Active control point set, and then close the dialog.
  7. For the Translation Vector, set a value of -0.05 for X direction.
  8. Set a value of 0.5 for Impact Radius.
  9. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  10. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  11. From the Morph Shape menu, right click on the created shape and rename the new shape as CarRoofHeight. Click on the green checkmark to exit the tool.

Front Windscreen Width

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area, select the elements of the model as shown in the following picture.
    Figure 32.
  3. Click on Confirm to create the control volume.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool. Select the Seeds option.
  2. Place control points in the front area of the model as shown in the following picture.
    Figure 33.
  3. Click on the Play button to create the control points set. From the Control Points menu, right click on the newly created control points and Rename the set to FrontWindscreenWidth_Active.
  4. Repeat Steps 1-3 to create the control points shown in the following picture. From the Control Points menu, right click on the newly created control points and Rename the set to FrontWindscreenWidth_Fixed.
    Figure 34.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select Body, RearEnd_Fastback parts.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 3.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar.
    The Advanced Selection dialog opens.
  6. From the dialog, select FrontBumperLength_Active control point set, and then close the dialog.
  7. Click on Fixed on the guidebar.
  8. Click on the three dots button next to Fixed on the guidebar.
    The Advanced Selection dialog opens.
  9. From the dialog, select FrontBumperLength_Fixed control point set, and then close the dialog.
  10. For the Translation Vector, set a value of 0.03 for Y direction.
  11. Set a value of 0.15 for Impact Radius.
  12. Enable the Consider Symmetry option. Set Symmetry plane normal as (0, -1, 0).
  13. From the guidebar click on Preview, Examine the morphed geometry and then click on the Play button to create the shape.
  14. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  15. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  16. From the Morph Shape menu, right click on the created shape and rename the new shape as FrontWindscreenWidth. Click on the green checkmark to exit the tool.

Front A Pillar Thickness

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool. Select the Seeds option.
  2. Place control points in the front area of the model as shown in the following picture.
    Figure 35.
  3. From the Control Points menu, right click on the newly created control points and Rename the set to FrontAPillarThickness_Active.
  4. Repeat Steps 1-3 to create the control points shown in the following picture. From the Control Points menu, right click on the newly created control points and rename the set to FrontAPillarThickness_Fixed.
    Figure 36.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select Body parts.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 3.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar.
    The Advanced Selection dialog opens.
  6. From the dialog, select FrontAPillarThickness_Active control point set, and then close the dialog.
  7. Click on Fixed on the guidebar.
  8. Click on the three dots button next to Fixed on the guidebar.
    The Advanced Selection dialog opens.
  9. From the dialog, select FrontAPillarThickness_Fixed control point set, and then close the dialog.
  10. For the Translation Vector, set a value of 0.03 for Y direction.
  11. Set a value of 0.1 for Impact Radius.
  12. Enable the Consider Symmetry option. Set Symmetry plane normal as (0, -1, 0).
  13. From the guidebar, click on Preview. Examine the morphed geometry and then click on the Play button to create the shape.
  14. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  15. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  16. From the Morph Shape menu, right click on the created shape and rename the new shape as FrontAPillarThickness. Click on the green checkmark to exit the tool.

Rear Windscreen Width

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area select the elements of the model as shown in the following picture.
    Figure 37.
  3. Click on the Confirm button to create the control volume.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool. Select the Seeds option.
  2. Place control points in the front area of the model as shown in the following picture.
    Figure 38.
  3. Click on the Play button to create the control points set. From the Control Points menu, right click on the newly created control points and rename the set to RearWindscreenWidth_Active.
  4. Repeat Steps 1-3 to create the control points shown in the following picture. From the Control Points menu, right click on the newly created control points and rename the set to RearWindscreenWidth_Fixed.
    Figure 39.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select RearEnd_Fastback part.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 3.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar.
    The Advanced Selection dialog opens.
  6. From the dialog, select RearWindscreenWidth_Active control point set, and then close the dialog.
  7. Click on Fixed on the guidebar.
  8. Click on the three dots button next to Fixed on the guidebar.
    The Advanced Selection dialog opens.
  9. From the dialog, select RearWindscreenWidth_Fixed control point set, and then close the dialog.
  10. For the Translation Vector, set a value of 0.03 for Y direction.
  11. Set a value of 0.1 for Impact Radius.
  12. Enable the Consider Symmetry option. Set Symmetry plane normal as (0, -1, 0).
  13. From the guidebar click on Preview, Examine the morphed geometry and then click on the Play button to create the shape.
  14. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  15. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  16. From the Morph Shape menu right click on the created shape and rename the new shape as RearWindscreenWidth. Click on the green checkmark to exit the tool.

C Pillar Thickness

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool. Select the Seeds option.
  2. From the graphics area select the elements of the model as shown in the following picture.
    Figure 40.
  3. From the Control Points menu, right click on the newly created control points and rename the set to CPillarThickness_Active.
  4. Repeat Steps 1-3 to create the control points shown in the following picture. From the Control Points menu, right click on the newly created control points and rename the set to CPillarThickness_Fixed.
    Figure 41.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select RearEnd_Fastback part.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 3.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar.
    The Advanced Selection dialog opens.
  6. From the dialog, select CPillarThickness_Active control point set, and then close the dialog.
  7. Click on Fixed on the guidebar.
  8. Click on the three dots button next to Fixed on the guidebar.
    The Advanced Selection dialog opens.
  9. From the dialog, select CPillarThickness_Fixed control point set, and then close the dialog.
  10. For the Translation Vector, set a value of 0.03 for Y direction.
  11. Set a value of 0.1 for Impact Radius.
  12. Enable the Consider Symmetry option. Set Symmetry plane normal as (0, -1, 0).
  13. From the guidebar click on Preview, Examine the morphed geometry and then click on the Play button to create the shape.
  14. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  15. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  16. From the Morph Shape menu right click on the created shape and rename the new shape as CPillarThickness. Click on the green checkmark to exit the tool.

Windscreen Length

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area select the elements of the model as shown in the following picture.
    Figure 42.
  3. Click on the Confirm button to create the control volume.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select Body part.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 3.
  4. Click on Active on the guidebar.
  5. From the graphics area create the following control points on the model.
    Figure 43.
  6. For the Translation Vector, set a value of 0.1 for X direction and 0.025 for Z direction.
  7. Set a value of 0.1 for Impact Radius.
  8. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  9. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  10. From the Morph Shape menu right click on the created shape and rename the new shape as WindscreenLength. Click on the green checkmark to exit the tool.

Door Handles X-Z Position

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area select the elements of the model as shown in the following picture.
    Figure 44.
  3. From the View cube, select the Front-Right view angle.
  4. While holding Shift on the keyboard, box-select the door handle elements on the right-hand side of the model. This will remove the selected elements from the Enclosed tool selection. The final control volume should look like the following.
    Figure 45.
  5. Click on the Confirm button to create the control volume.
    Figure 46.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool.
    Select the Seeds option.
  2. Place control points in the front area of the model as shown in the following picture.
    Figure 47.
  3. Click on the Play button to create the control points set. From the Control Points menu, right click on the newly created control points and rename the set to DoorhandlePos_Active.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select RearEnd_Fastback and Body parts.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 5.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar. The Advanced Selection dialog opens. From the list select DoorhandlePos_Active and close the dialog.
  6. For the Translation Vector, set a value of 0.05 for X direction and 0.01 for Z direction.
  7. Set a value of 0.1 for Impact Radius.
  8. Click on the Consider Symmetry button and set a Symmetry plane normal of (0, -1, 0).
  9. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  10. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  11. From the Morph Shape menu right click on the created shape and rename the new shape as DoorHandlePosition. Click on the green checkmark to exit the tool.

Car Length

Control Volume

Repeat Steps 1-3 to create a control volume around the whole model.
Note: If the control volume created on Step 3 is present, you can use that volume in the Morph tool.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool.
  2. From the guidebar, set the Selection to Elements. A dialog pops up. Select Uniform Method and set Number of Seeds to 100.
  3. From the graphics area select the elements on the left side of the model as shown in the following picture.
  4. Click on the Calculate button. Review the seeds location and then click on the Play button to create the control points set.
  5. From the Control Points menu, right click on the newly created control points and rename the set to CarLength_Active.
    Figure 48.
  6. Repeat Steps 1-5 and create a control point set by selecting the elements on the rear end of the model as shown in the following picture. Rename the new set as CarLength_Fixed.
    Figure 49.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select all the parts.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 1.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar. The Advanced Selection dialog opens. From the list select CarLength_Active and close the dialog.
  6. Click on Fixed on the guidebar.
  7. Click on the three dots button next to Fixed on the guidebar. The Advanced Selection dialog opens. From the list select CarLength_Fixed and close the dialog.
  8. For the Translation Vector, set a value of -0.2 for X direction.
  9. Set a value of 1 for Impact Radius.
  10. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  11. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  12. From the Morph Shape menu right click on the created shape and rename the new shape as CarLength. Click on the green checkmark to exit the tool.

Windscreen Inclination

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area select the elements of the model as shown in the following picture.
    Figure 50.
  3. For Buffer% set a value of 10.
  4. Click on the Confirm button to create the control volume.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool. Select the Seeds option.
  2. Place control points in the front area of the model as shown in the following picture.
    Figure 51.
  3. Click on the Play button to create the control points set. From the Control Points menu, right click on the newly created control points and rename the set to WindscreenInclination_Active.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select Body, RearEnd_Fastback parts.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 3.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar. The Advanced Selection dialog opens. From the list select WindscreenInclination_Active and close the dialog.
  6. For the Translation Vector, set a value of -0.01 for X direction and 0.04 for Z direction.
  7. Set a value of 0.3 for Impact Radius.
  8. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  9. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  10. From the Morph Shape menu, right click on the created shape and rename the new shape as WindscreenInclination. Click on the green checkmark to exit the tool.

Rear Window Inclination

Control Volume

  1. From the Morphing ribbon, Setup group, click the Volumes tool, and from the secondary tool select Enclosed tool.
  2. From the graphics area select the elements of the model as shown in the following picture.
  3. For Buffer% set a value of 10.
  4. Click on the Confirm button to create the control volume.
    Figure 52.

Control Points

  1. From the Morphing ribbon, Setup group, click the Control Points tool. Select the Seeds option.
  2. Place control points in the front area of the model as shown in the following picture.
    Figure 53.
  3. Click on the Play button to create the control points set. From the Control Points menu, right click on the newly created control points and rename the set to RearWindowInclination_Active.
  4. Repeat Steps 1-3 to create the control points shown in the following picture. From the Control Points menu, right click on the newly created control points and rename the set to RearWindowInclination_Fixed.
    Figure 54.

Morph

  1. From the Morphing ribbon, Setup group, click the Morph tool.
  2. From the guidebar, click on Parts and select Body, RearEnd_Fastback parts.
  3. From the guidebar, select MorphVolumes, and in the graphics area select the control volume created on Step 4.
  4. Click on Active on the guidebar.
  5. Click on the three dots button next to Active on the guidebar. The Advanced Selection dialog opens. From the list select RearWindowInclination_Active and close the dialog.
  6. Click on Fixed on the guidebar.
  7. Click on the three dots button next to Fixed on the guidebar. The Advanced Selection dialog opens. From the list select RearWindowInclination_Fixed and close the dialog.
  8. For the Translation Vector, set a value of 0.01 for X direction and 0.04 for Z direction.
  9. Set a value of 0.5 for Impact Radius.
  10. From the guidebar, click on the Preview button. Examine the resulting morphed geometry.
  11. If the shape describes the desired geometry changes, click on the Play button to create the shape.
  12. From the Morph Shape menu right click on the created shape and rename the new shape as RearWindowInclination. Click on the green checkmark to exit the tool.

Shapes

  1. From the Morphing ribbon, Review group, click on the Shapes tool.
    The Edit Shapes dialog opens.
  2. Select FrontBumperLength shape from the list.
  3. Click on the Apply Shape button (or right click and click on Apply by Factor option). This will open the Apply Shape dialog where a Scale Factor can be determined. Try applying the shape for factors of 0.5, 0.75, 1.
  4. To remove any applied shapes from the model, use the Undo All button in the Review group, Shapes tool.
    Figure 55.
    Figure 56.
  5. Click on the Shapes tool, and from the list select FrontBumperLength shape.
  6. Click on the Animate button (or right click and click on Animate option).
    Figure 57.
    The Animation guidebar opens.
  7. Click on the hamburger menu and enable the Contour Plot option.
    Figure 58.
  8. Review the animation of the selected shape.
  9. From the guidebar, pause the animation and then click on the Display button . This will switch between the displayed current frame number and the displayed current applied factor.
  10. Use the multimedia arrow-keys on the guidebar to navigate between different applied factors for the displayed shape.
    Note: In Step 2, you can select any number of shapes to review with the Animation tool. Note that the tool might take longer to generate the animations if too many shapes are selected at once and if all those shapes include a large number of nodes.
  11. Click on the green checkmark button to exit the tool.