MSC Software Announces Volvo Group's Use of Actran Simulation Software to Improve Truck Acoustic Design

NEWPORT BEACH, Calif. — (BUSINESS WIRE) — November 5, 2013MSC Software Corporation, the leader in multidiscipline simulation solutions that accelerate product innovation, today announced that Volvo Group, one of the world’s largest truck manufacturers, is using Actran acoustic simulation software to improve driver comfort, productivity and safety by reducing cabin noise.

Cabin acoustics is one of the most challenging aspects of truck design because the complex acoustic environment in the cabin results from many interacting noise sources which may be transmitted over multiple air-borne and structure-borne paths to the cabin.

“By studying simulation results, engineers obtain insight into which design generates the greatest potential improvements and evaluate the impact of acoustic modifications without having to build expensive physical prototypes,” said Frederic Andre, Feature Development Manager at the Volvo Group Trucks Technology (VGTT) center in Lyon, France.

Volvo’s selection of an acoustic simulation tool was based on a benchmark test case involving noise radiation from a truck engine in a semi-anechoic room. “Among the several simulation tools that Volvo engineers used to model the physical experiments of engine acoustics, Actran was the one that delivered the most accurate results,” Andre said.

Since validating the ability of Actran to accurately simulate truck engine acoustics, VGTT engineers have used the software extensively to address the cabin noise design issues on new truck designs. Oleg Danilov, NVH Engineer based in Lyon, France, is using Actran to perform acoustic simulation on the air intake of truck engine. “Air intake performance is critical to the overall noise level in the cab,” Danilov said. “With Actran we can accurately predict the relative performance of design alternatives and rapidly move towards an improved design. Our objective is to minimize the noise radiated from the air intake to the cab while delivering a sufficient volume of air to meet the requirements of the engine. In this application, simulation saves us time and money and helps us deliver a more comfortable cabin.”

About Volvo Group

The Volvo Group is one of the world’s leading manufacturers of trucks, buses, construction equipment and drive systems for marine and industrial applications. Volvo designs and builds trucks under the Volvo, Renault, Mack and UD Truck brands. All research, engine development, product design and most of the purchasing takes place in Volvo Group Trucks Technology. Volvo Group Trucks Technology has approximately 10,000 employees, mostly engineers, working in global teams with offices, workshops and laboratories in many countries worldwide.

About MSC Software

MSC Software is one of the ten original software companies and the worldwide leader in multidiscipline simulation. As a trusted partner, MSC Software helps companies improve quality, save time, and reduce costs associated with design and test of manufactured products. Academic institutions, researchers, and students employ MSC’s technology to expand individual knowledge as well as expand the horizon of simulation. MSC Software employs 1,100 professionals in 20 countries. For additional information about MSC Software’s products and services, please visit:

The MSC Software corporate logo, Simulating Reality, MSC Nastran, Adams, Actran, Digimat, Dytran, Easy5, Marc, Patran, MSC, MasterKey, MasterKey Plus, MaterialCenter, SimDesigner, SimManager, and SimXpert are trademarks or registered trademarks of MSC Software Corporation and/or its subsidiaries in the United States and/or other countries. NASTRAN is a registered trademark of NASA. All other trademarks belong to their respective owners.


MSC Software Corporation
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