Building a Car Model with an Aerodynamic System

In Altair MotionView, models are assembled from libraries of pre-defined systems using the Assembly Wizard. The Assembly Wizard dialog guides you through the assembly process, ensuring that your selections are compatible.
Note: The MBD Vehicle Dynamics Tools preference files must be loaded before using the event builder. Select File > Load > Preference File > MBD Vehicle Dynamics Tools from the Altair MotionView interface.
Starting the Assembly Wizard.
  1. Start MotionView from the installation folder of HyperWorks.
    The MotionView window is displayed.

    Figure 1.
  2. Click Model > Assembly Wizard.

    Figure 2.

    The Car/Small truck - Model Type dialog opens.

Building a Full Vehicle Model with Aerodynamic Forces
The following steps how to make a Full vehicle model with Aerodynamic Forces.
  1. Select the Full vehicle with driver option from the Model Type dialog and click Next.

    Figure 3.
  2. Select the Aerodynamic Forces on the additional systems page and complete the model selection.

    Figure 4.
    Note: Aerodynamic Forces is now included as a system.
  3. The Full vehicle with driver model including the aerodynamic forces system build through the Assembly Wizard is displayed in the graphics area.

    Figure 5.
  4. The subsystems with the Aerodynamic Forces you have selected in the Assembly Wizard to build the model are displayed in the browser.

    Figure 6.

Aerodynamic Forces Graphical User Interface

The following steps outline how to use the Aerodynamic Forces graphical user interface:
  1. Click on Aerodynamic Forces in the browser to bring up the Attachments section in the panel area.

    Figure 7.
    The corresponding panel is displayed.

    Figure 8.
    Attachments Description

    Vehicle Body

    Vehicle body where the action forces of Aerodynamic system is applied.

    Front wheel center

    Wheel center point pair for front axle.

    Rear wheel center

    Wheel center point pair for rear axle.