• An automotive seat comprises many metallic parts. All must be sized to meet regulations—while not exceeding weight targets
  • The numerous parts of a seat form a complex system that determines structural performance during a crash
  • Automotive seat manufacturers must verify that their seat designs meet safety regulations
  • The optimized design will reduce mass, improve reliability, and meet safety requirements
  • Design team must determine whether to re-design a mature part to make it more efficient
  • OR
  • Create a brand new part

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Step 1

Identify critical parts for mass and safety performance

  • Seventeen of the 50 shell components that make up the model are potentially critical for mass and crash performance
  • Components must be identified for both load cases
  • Thicknesses of these components are used as design variables
  • Lower and upper bounds of the variables are set to be 5% of the initial design values
Step 2

Define the responses

Cargo Retention Case:

  • Seatback is impacted by a moving 18 kg. cube cargo block during a crash event.
  • Seat must protect the occupant from the cargo.
  • Seatback frame must not displace beyond a particular reference plane.
  • Initial value of the response defined for this measurement is 322mm.

Rear Impact Case:

  • Occupant loads the seatback frame. Displacement must be limited in order to retain the occupant.
  • This is measured as the displacement difference in x-direction between the floor and the mid-point of the seat upper back.
  • Initial value of response defined for this measurement is 187mm.
Step 3

Define a design exploration strategy based on the resources

  • Altair HyperStudy lowers the barrier for engineers to conduct multi-disciplinary design exploration.
  • Altair HyperWorks Unlimited offers seamlessly integrated hardware and software resources to make design exploration even easier!

The Capabilities

Design Exploration and Optimization with the industry’s most innovative public and private cloud solution

The Result:A fully optimized automotive seat

  • Meets
    all design
    safety
    requirements

  • Seat mass
    reduced by 7%

  • Reliability
    substantially
    increased

The Benefits

HyperWorks Unlimited reaches new design horizons

Want to learn more about the benefits of design exploration and optimization?

Download the in-depth white paper on Seat Design for Crash in the Cloud now!

Request white paper Contact Us