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NVH Analysis


NVH occurs in all drive systems and, in addition to system and component dynamics, is an essential development prerequisite for the targeted development of acoustic properties.


NVH analysis is a downstream evaluation based on the results of time domain simulation with a complete 3D MBS model of the combustion engine and transmission. Our fully integrated platform approach enables fast and convenient acoustic evaluations and offers all common methods without interfaces and data conversion. With this approach, a virtual test bench is available to analyze and understand problems without expensive hardware. Remedial measures can then be developed within the framework of design and topology optimization under various stationary and transient driving conditions.

Evaluation variables are:
  • Campbell diagrams

  • modal expansion

  • surface velocities

  • ERP analysis

  • operational mode animation

  • modal stress analysis

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