Chassis development advanced

  • 09-Feb-2010 10:10 EST
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Altair ProductDesign’s correlated simulation technology is applied here to a single-lane-change vehicle-dynamics event.

Altair ProductDesign and Summitech Engineering recently announced the joint development of a method to create correlated passenger-car multibody dynamics (MBD) models without requiring OEM information.

"We are delighted with the methodology this partnership has produced," said Dr. Hong Su, Engineering Director, Summitech. "Using a combination of Summitech facilities, Altair MotionSolve software, and the experiences of both organizations, we have successfully created correlated vehicle dynamics models of two very different vehicles. These models will be central to the optimal design of future vehicle components."

Summitech partnered with Altair ProductDesign for its broad expertise in chassis development, including subjective vehicle evaluations, objective lab and proving ground measurement, target setting, MBD model creation and correlation, and CAE-driven design and vehicle development. The goal of this initial engagement was to establish a repeatable process, without requiring OEM and supplier data and resources, that allows a deeper understanding of benchmark vehicles and determination of baseline performances to employ simulation-driven design methods.

Tony Norton, Land Vehicles Practice Leader at Altair ProductDesign, said: "The model-building process starts with key benchmark data and judicious population of half-car models. After a comparison with kinematics and compliance test results, full vehicle models are assembled. The process has provided great correlation with the proving grounds data measured by our team."

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