Full Content is available to subscribers

Subscribe/Learn More  >

A Generalized Madymo Modeling Approach With Both Frontal Occupants in a Range of Impact Situations

[+] Author Affiliations
Rex T. Shea

General Motors Corporation

Paper No. IMECE2004-61533, pp. 639-646; 8 pages
  • ASME 2004 International Mechanical Engineering Congress and Exposition
  • Applied Mechanics
  • Anaheim, California, USA, November 13 – 19, 2004
  • Conference Sponsors: Applied Mechanics Division
  • ISBN: 0-7918-4702-0 | eISBN: 0-7918-4178-2, 0-7918-4179-0, 0-7918-4180-4
  • Copyright © 2004 by ASME


A generalized MADYMO model that includes both the driver and passenger was developed to simulate the occupant responses under different restraint conditions in various impact situations. Traditionally in safety simulations the occupant was given the inverse of the vehicle acceleration and the vehicle compartment remains stationary. This approach works for frontal impacts where the longitudinal motion of the occupants dominates the kinematics. For an offset or angled impact, where the vehicle experiences a general three-dimensional motion, this approach loses its advantage. A prescribed motion approach is used instead, where the vehicle was given a prescribed three-dimensional motion, and the occupant’s responses are recorded similar to an actual crash. Driver and passenger models are generally being developed separately for each impact situation. This creates a maintenance and updating problem, because a single design change could require modifying a family of models. In this study a master model was developed using the prescribed motion approach, and both the driver and the passenger were incorporated into the model. This has the advantage of streamlining the restraint system development process, and avoiding tedious maintenance at the same time. A single model can be used for a range of impact situations, and all occupant responses can be generated. The model can be used to simulate frontal impacts at different speeds, angled impacts, and offset deformable barrier tests. A pair of angled impacts and an NCAP test were used as examples to demonstrate the versatility of the model and correlations to barrier tests were discussed.

Copyright © 2004 by ASME



Interactive Graphics


Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In