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Technical Paper

Monolithic, Lightweight, and Pedestrian-Safe Thermoplastic Energy-Absorbing System for Automobiles

2015-01-14
2015-26-0168
With a significant increase in awareness of safety and sustainability among the automobile original equipment manufacturers and end users, every car manufacturer is looking for lightweight, safe and cost-effective solutions for every unit present in their vehicle. The latter gets much more focus in developing countries, where the automobile market is extremely cost sensitive. Further, with implementation of the proposed global technical regulations on pedestrian safety in the near future and low-speed vehicle damageability requirements, demand for a low-cost, lighter and safer bumper system is ever increasing. This paper focuses on development of a unique thermoplastic energy-absorbing device for vehicle bumpers. Conventionally, major energy absorbing members of these bumper systems consist of three separate pieces: energy absorber, bumper beam and crash cans. A hybrid approach based on logical reasoning and topology optimization is used to conceive the design.
Technical Paper

Virtual Design Optimization of Thermoplastic Steering Wheel

2011-04-12
2011-01-0023
Automotive steering wheels, which play an important role as a human machine interface, are evolving over time with numerous integrations and innovations. Thermoplastic steering wheel, one of the innovations in recent times, offers significant reduction in mass along with part integration and styling flexibility and is an excellent replacement to traditional metal armature steering wheels. Typical steering wheels need to meet many performance requirements before they enter production. With the advancement of computational mechanics and increase in computational capabilities, it has become much easier to evaluate and optimize steering wheel performance in different ways. Instead of manufacturing and running prototype tests, steering wheel designs can be modeled and optimized virtually in various scenarios using standard finite element analysis technique, thus facilitating faster development cycle.
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