Suchergebnisse

Intro -- 1 Challenges of achieving better NVH performance for Chinese domestic brands -- ABSTRACT -- INTRODUCTION -- LIGHTWEIGHT ACTIONS -- LIGHTWEIGHT STRATEGY FOR NVH PERFORMANCE -- OPPORTUNITIES FOR CHINESE DOMESTIC OEMs -- Summary -- References -- 2 Low- and high-frequency NVH CAE - test methods for development of a lightweight sedan design -- 1 Introduction -- 2 Vehicle Trimmed Body LP6 CAE and Test -- 2.1 Vehicle Trimmed Body FEA Modelling for LP6 CAE Analysis -- 2.2 Vehicle Trimmed Body Vehicle Acoustic Transfer Function Test/CAE Correlation -- 3 Lightweight Sound Package Development -- 3.1 MMLV Sound Package Designs -- 3.2 MMLV NVH Performance with Lightweight Sound Packages -- 4 Vehicle Engine Noise and Tire Patch Noise Reduction Test/CAE Correlation -- 5 Vehicle Transparency Tests -- 6 MMLV Road NVH and Wind Tunnel Tests -- 7 Conclusions -- Acknowledgements -- References -- 3 Vibration reduction in automotive applications based on the damping effect of granular material -- Introduction -- Experimental setup -- Vibrational behavior of a one cavity oil pan -- Vibration reduction of an electric engine -- Combination of a honeycomb structure and granularmaterial -- Experimental investigation of alternative materials -- Attenuation of selected modes -- Comparison of the honeycomb plate under horizontaland vertical suspension -- Summary -- Acknowledgements -- Literature -- 4 State-of-the-art digital road noise cancellation by Harman -- 1 Introduction to digital RNC -- 1.1 Structure-borne road noise and multiple coherence -- 1.2 Novel RNC system -- 2 Novel RNC algorithm -- 3 RNC system realization -- 3.1 Accelerometer sensors -- 3.2 Prototype platform -- 4 RNC performance results -- 4.1 Bench performance -- 4.2 Vehicle performance -- 5 Conclusion -- Acknowledgements -- References.