NVH & Acoustics for Conventional Powertrain

NVH & Acoustics for Conventional Powertrain

Fuel economy measures have a positive effect on the vehicle’s fuel consumption, but inevitably impact other aspects of the vehicle’s performance, such as powertrain related NVH and acoustics.

Our integrated solutions help diagnose, analyze and resolve powertrain NVH issues such as engine vibration and acoustic radiation. Our integrated approach supports powertrain and driveline integration related NVH issues, while balancing with other performance attributes such as fuel economy, drivability and ride comfort, and increasing the efficiency of the NVH development process.

Fuel economy measures have a positive effect on the vehicle’s fuel consumption, but inevitably impact other aspects of the vehicle’s performance, such as powertrain related NVH and acoustics.

Our integrated solutions help diagnose, analyze and resolve powertrain NVH issues such as engine vibration and acoustic radiation. Our integrated approach supports powertrain and driveline integration related NVH issues, while balancing with other performance attributes such as fuel economy, drivability and ride comfort, and increasing the efficiency of the NVH development process.

NVH & Acoustics for Conventional Powertrain

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The global demand for more eco-friendly vehicles compels automotive OEMs and suppliers to develop fuel-efficient internal combustion engines. While fuel economy measures positively impact the emission of greenhouse gasses, it inevitably affects the vehicle’s noise, vibration and harshness (NVH) and acoustic behavior. Weight reduction and downsized turbocharged engines might increase torsional excitation causing low frequency driveline NVH issues when integrating the driveline into the vehicle. In addition, new energy management systems such as cylinder deactivation systems and start-stop systems can cause new transient NVH phenomena. These new complex NVH issues need to be addressed on top of the typical engine-related NVH topics, such as; engine radiation, gearbox rattle, whine, judder, clunk, fuel slosh, intake and exhaust noise, and auxiliary noises.

Siemens PLM Software solutions do the trick. By integrating test and simulation techniques with engineering insights, they combine proven and new technologies to address NVH and acoustic issues at all stages of the development. They help manufacturers save time and cost to diagnose, analyze and resolve driveline NVH and drivability issues while balancing fuel economy, drivability, NVH and ride comfort, and increasing the efficiency of the NVH development process.

NVH & Acoustics for Conventional Powertrain
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