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Dynamic characteristics of a shock absorber module

Optimization of vehicle acoustics

  • Development
  • Chassis
  • Published:
ATZ worldwide Aims and scope

Abstract

The mutual interaction of the chassis components and with the vehicle body plays a decisive role for the buildup of noise in the high frequency range. The shock absorber itself represents only a part of the total system “Chassis — Body”. An additional special challenge lies in the vehicle dependency of the vibro-acoustic quality of the shock absorber. The systematic NVH analysis integrated in the product development process at ZF Sachs AG and performed with the help of modern experimental and virtual methods allows for efficient product optimization.

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References

  1. Kruse, A.; Schreiber, R.; Einfluss des dynamischen Druckaufbaus im Stossdämpfer auf Fahrwerksgeräusche. In: VDI-Berichte 2003, S. 437–448 (Tagung Schwingungsdämpfung 2007)

  2. Kruse, A.; Characterizing and Reducing Structural Noises of Vehicle Shock Absorber Systems. SAE Paper, no. 2002-01-1234

  3. Kruse, A.; NVH improvement of car suspension using Transfer Path and Running Mode Analysis. SAE Paper, no. 2006-01-0485

  4. Beyer, O.; Becher, D.; Stüwing, M.; Zimmermann, G.; Measurement and simulation of the hydraulic behaviour of the damping piston valve in a single piston shock absorber. In: 7th International Conference & Exhibition FLORENENCE ATA, 2001

  5. Zimmermann, G.; Sonnenburg, R.; Planitzer, M.; Vier unterschiedliche Ansätze zur Simulation von Stossdämpfern und deren Einsatzgebiete in der ZF Sachs AG. Tagung „Simulation in der Fahrzeugdynamik“ Essen, 2003

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Authors and Affiliations

  1. ZF Sachs AG, Schweinfurt, Germany

    Mathias Eickhoff (Director of Technology, Suspension Division),  Alexander Kruse (Manager NVH - Noise, Vibration, Harshness, Suspension Division),  Andreas Tischer (Senior Manager Testing Services, Suspension Division),  Jörg Pagel (Manager CAE-Applications, Suspension Division) &  Hendrik Marquar (works in Advanced Engineering of Modules, Suspension Division)

Authors
  1. Mathias Eickhoff
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  2. Alexander Kruse
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  3. Andreas Tischer
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  4. Jörg Pagel
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  5. Hendrik Marquar
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Eickhoff, M., Kruse, A., Tischer, A. et al. Dynamic characteristics of a shock absorber module. ATZ Worldw 111, 28–35 (2009). https://doi.org/10.1007/BF03225071

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  • DOI: https://doi.org/10.1007/BF03225071

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