Movies portray the pleasure of drivers racing down the road with windows open or the top down, but most people would rather have near silence than the roar that comes with that wind-in-the-hair feeling. That's made sound and vibration testing a more important part of vehicle analysis. It also involves far more engineers.
"Originally, the community of sound and vibration experts was small, but now the number of engineers who need to deal with sound and vibration is growing exponentially," says Gabriella Cerrato Jay, technical director at MTS System Corp.'s software and consulting group. As more drivers expect to mimic the sound quality they're used to at home, stereo systems and voice recognition for hands-free phone calls will become more common. To help engineers find information about their noise and vibration issues, Jay has started a blog that includes technical articles on various topics, not all of them automotive. Several other experts in sound and vibration analysis also post to http://rbi.ims.ca/4398-534. MTS engineers blog about the topic at http://rbi.ims.ca/4398-535.
Design collaboration now includes the entire value chain. From suppliers to customers, purchasing to outside experts, the collaborative design team includes internal and external groups. The design process now stretches across the globe in multiple software formats.
A new high-pressure injection-molding technology produces near-net shape parts with 2-inch-thick walls from high-performance materials like PEEK, PAI, and carbon-filled polymers. Parts show no voids, sinks, or porosity, have more consistent mechanical properties, and are stronger.
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