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A Rapid Method for Modeling a Variable Cycle Engine
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Efficient simulation strategy to design a safer motorcycle.

Steffen Maier1, Jörg Fehr1

  • 1Institute of Engineering and Computational Mechanics, University of Stuttgart, Pfaffenwaldring 9, 70569 Stuttgart, Germany.

Multibody System Dynamics
|February 13, 2023
PubMed
Summary
This summary is machine-generated.

This study introduces a virtual strategy for developing motorcycle passive safety systems, reducing development time and cost. Simulations show improved rider safety with controlled deceleration and reduced biomechanical loads during impacts.

Keywords:
CrashworthinessImpact biomechanicsMultibody systemNonlinear finite elementsPassive safety

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Area of Science:

  • Engineering
  • Biomechanics
  • Computer Simulation

Background:

  • Motorcycle safety remains a critical concern, with a need for advanced passive restraint systems.
  • Current development cycles for safety innovations are often time-consuming and expensive.

Purpose of the Study:

  • To present a time and cost-efficient numerical strategy for virtual product development of a novel passive safety restraint concept for motorcycles.
  • To investigate the structural behavior and impact dynamics of a powered two-wheeler with integrated safety systems and rider response.

Main Methods:

  • A three-stage virtual development strategy with increasing detail and fidelity.
  • Integration of multibody dynamics and nonlinear finite element simulations.
  • Simulation of motorcycle-rider impact scenarios.

Main Results:

  • The virtual strategy enables a comprehensive concept study of motorcycle safety systems.
  • Simulations demonstrated a guided and controlled trajectory and deceleration for the motorcycle rider.
  • Reduced critical biomechanical loads on the rider were observed compared to conventional impacts.

Conclusions:

  • A novel virtual procedure for motorcycle accident research is outlined.
  • The combined multibody dynamics and finite element approach effectively investigates structural and impact dynamics.
  • Future work can focus on step-by-step validation of individual components using this strategy.