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Journal articles on the topic 'Automotive NVH'

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Author: Grafiati

Published: 14 March 2023

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1

BENNOUNA, SAAD. "NVH investigation of automotive HVAC brushless motors." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, no. 6 (February 1, 2023): 1751–60. http://dx.doi.org/10.3397/in_2022_0248.

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In the automotive industry, thermal systems are of critical importance in securing optimum vehicle operating, preserving battery capacities and ensuring passenger comfort. These systems involve a wide range of components with various technologies, designs and more innovation. Currently, thermal engine market shares are decreasing as facing increasing electrification trends worldwide. Consequently, thermal systems may become major sources of noise and vibration that may emerge inside the car cabin. This may cause significant discomfort to passengers and can create disturbances to passersby outside the car. As a system supplier, Valeo ensures NVH compliance according to internal standards and OEM specifications during development and production stages. However, as electrification trends involve more and more innovations with less technical background, ensuring NVH compliance becomes a formidable challenge to deal with. Among the main NVH sources, the HVAC Brushless motor is highly critical as implanted inside the car cabin. This paper focuses on the main NVH topics encountered on HVAC BLDC motors. First, the NVH sources are analyzed from mechanical and magnetic design perspectives. Furthermore, solutions to control the NVH behavior are presented which sets the product's intrinsic limitations and operating conditions. Finally, from a technical compliance perspective, specification design implications are discussed.

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2

Steffens, Christoph, Klaus Wolff, Stefan Heuer, and Georg Eisele. "NVH-Zielwertdefinition." MTZ - Motortechnische Zeitschrift 69, no. 11 (November 2008): 928–33. http://dx.doi.org/10.1007/bf03227500.

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3

French, M., and M. Jay. "AN INTRODUCTION TO AUTOMOTIVE NVH TESTING." Experimental Techniques 22, no. 4 (July 1998): 32–33. http://dx.doi.org/10.1111/j.1747-1567.1998.tb02336.x.

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4

Brouckaert, Richard. "Automotive OEM acoustics - the ideal application for carbon neutral solutions." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 264, no. 1 (June 24, 2022): 917–24. http://dx.doi.org/10.3397/nc-2022-835.

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The Automotive acoustics arena is rich with application opportunities for carbon neutral or climate positive parts. Designing possible "green" NVH solutions however must never compromise the intended acoustical performance of the parts. This paper investigates the acoustical needs of OEM vehicles with an emphasis on applying green solutions. Furthermore, it demonstrates that vehicular acoustic performance need not be compromised as the industry moves down the road towards more climate friendly initiatives. This paper details that the traditional NVH treatment packages can easily be modified to create NVH solutions that quiet the vehicle without negatively affecting the planet. Lastly, the paper will identify what the writer considers to be ideal applications for planet friendly, carbon neutral NVH solutions using acoustical barrier applications specifically, that are production ready and commercially available today.

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5

Minas, I., N. Morris, S. Theodossiades, M. O’Mahony, and J. Voveris. "Automotive dry clutch fully coupled transient tribodynamics." Nonlinear Dynamics 105, no. 2 (July 2021): 1213–35. http://dx.doi.org/10.1007/s11071-021-06605-x.

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AbstractDetermining the root causes of Noise, Vibration and Harshness (NVH) phenomena in modern automotive drivetrains is a task of critical importance. This research investigates the stability of dry clutch systems vibrational behaviour during engagement. A fully coupled dry clutch numerical model including the influence of friction is presented and validated using vehicle measurements. The clutch component frictional properties are measured using parts that exhibit aggressive NVH behaviour using representative tribometric experiments. The validated numerical tool highlights the occurrence of instabilities which are caused by modal couplings, particularly between the input shaft bending and clutch disc radial motions. Such a validated transient dynamics model of a dry clutch system has not hitherto been presented in the open literature.

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6

Wróbel, Jakub, Damian Pietrusiak, Wiesław Fiebig, and Mateusz Czechowski. "Automotive Electric Power Steering Systems NVH Performance Investigations." International Journal of Automotive Technology 23, no. 4 (August 2022): 1153–61. http://dx.doi.org/10.1007/s12239-022-0101-3.

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7

Liu, Xing. "Research on Improvement Methods of Automotive NVH Performance." IOP Conference Series: Materials Science and Engineering 793 (April 10, 2020): 012011. http://dx.doi.org/10.1088/1757-899x/793/1/012011.

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8

French, M., and M. Jay. "INSTRUMENTATION AND DATA PROCESSING FOR AUTOMOTIVE NVH TESTING." Experimental Techniques 22, no. 6 (November 1998): 43–44. http://dx.doi.org/10.1111/j.1747-1567.1998.tb02301.x.

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9

Buchberger, Reinhard, Oliver Grieshofer, Walter Hinterberger, and Roman Sereinig. "NVH-Entwicklungsprozess für elektrische Antriebe." ATZ - Automobiltechnische Zeitschrift 119, no. 10 (September 20, 2017): 26–31. http://dx.doi.org/10.1007/s35148-017-0113-x.

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10

Böttcher, Thomas, Michael Kwade, and Lutz Eckstein. "NVH-gerechter Entwicklungsprozess für Fahrwerkssysteme." ATZ - Automobiltechnische Zeitschrift 125, no. 1 (December 30, 2022): 44–48. http://dx.doi.org/10.1007/s35148-022-1539-3.

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11

Yoo, Hee, Young-Woo Lee, Byoung-Ki Choi, Jong-Kuk Kim, and Young-Jin Yum. "Effect of the Curved Automotive Panels for NVH Performance Improvement." Transactions of the Korean Society of Mechanical Engineers A 33, no. 7 (July 1, 2009): 700–705. http://dx.doi.org/10.3795/ksme-a.2009.33.7.700.

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12

Brohmer, Andreas, Jörg Kemmerling, Jakob Nehl, Stefan Heuer, and Eugen Schäfer. "NVH-Entwicklungsaspekte bei Ottomotoren mit Direkteinspritzung." MTZ - Motortechnische Zeitschrift 63, no. 11 (November 2002): 906–13. http://dx.doi.org/10.1007/bf03226659.

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13

Höfler, Dieter, and Stefan Maxl. "NVH-Prüfstand für hochdrehende E-Motoren." MTZ - Motortechnische Zeitschrift 82, no. 1 (December 11, 2020): 48–53. http://dx.doi.org/10.1007/s35146-020-0606-0.

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14

Van Keymeulen, Johan, Christof Nussmann, Christoph Steffens, and Georg Eisele. "Auslegung von Motorlagern aus NVH-Sicht." ATZ - Automobiltechnische Zeitschrift 118, no. 3 (February 17, 2016): 26–31. http://dx.doi.org/10.1007/s35148-015-0204-5.

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15

Duvigneau, Fabian, Christian Daniel, Sebastian Koch, and Elmar Woschke. "NVH in der Elektromobilität - Schwingungsanalyse mit Derotator." ATZ - Automobiltechnische Zeitschrift 121, no. 6 (May 24, 2019): 68–73. http://dx.doi.org/10.1007/s35148-019-0049-4.

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16

Cardillo, Marco, Federico Di Marco, and Francesca Ronzio. "Ganzheitliches NVH-Design für Hochvoltbatterien in BEVs." ATZ - Automobiltechnische Zeitschrift 122, no. 12 (November 27, 2020): 52–58. http://dx.doi.org/10.1007/s35148-020-0346-y.

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17

Schlegel, Jennifer. "Responsibility in NVH Development." ATZautotechnology 8, no. 7 (July 2008): 46–49. http://dx.doi.org/10.1007/bf03247069.

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18

Ulz, Alexander, Bernhard Graf, Christoph Priestner, and Mehdi Mehrgou. "Kriterien für die NVH-Entwicklung von elektrischen Antriebseinheiten." ATZ - Automobiltechnische Zeitschrift 123, no. 7-8 (July 2021): 26–33. http://dx.doi.org/10.1007/s35148-021-0713-3.

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19

Prokop, Aleš, Kamil Řehák, Martin Zubík, and Pavel Novotný. "Experimental Validation Of The Gearbox NVH Parameters." Journal of Middle European Construction and Design of Cars 13, no. 2 (November 1, 2015): 16–21. http://dx.doi.org/10.1515/mecdc-2015-0007.

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Abstract The noise, vibration and harshness (NVH) plays an important role in the transmission area of automotive industry. To understand all the impacts on the gearbox’s global dynamic behavior it is necessary to gain information from a simplified model, create methods and get an appropriate and well correlated results with the experiment. The method itself can be afterwards reused for more complex transmission, which could be supported by other measurements. This paper deals with creation of a gearbox’s simplified model, including essential mechanisms as gear mesh stiffness, backlash, bearing stiffness and modal properties of the main components. Except for the presented model, more models with different difficulty levels are used. Numerical results are compared with data from experiment with good correlation.

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20

Genender, Peter, Klaus Wolff, Kiran Govindswamy, and Michael Hueser. "NVH-Aspekte der Integration des Antriebsstrangs in das Fahrzeug." MTZ - Motortechnische Zeitschrift 63, no. 6 (June 2002): 470–77. http://dx.doi.org/10.1007/bf03226633.

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21

Schwaderlapp, Markus, Franz J. Maassen, Christof Tiemann, and Hans-Dieter Sonntag. "Das Leichtbaukurbelgehäuse — Konstruktive Lösungen für Gewicht, Reibung und NVH." MTZ - Motortechnische Zeitschrift 63, no. 9 (September 2002): 706–14. http://dx.doi.org/10.1007/bf03226643.

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22

Höfer, Andreas, Wladislaw Peschkow, and Philippe Hamon. "Elektrische Achsen im Spannungsfeld von NVH, Wirkungsgrad und Leistungsdichte." ATZ - Automobiltechnische Zeitschrift 122, no. 4 (March 25, 2020): 48–53. http://dx.doi.org/10.1007/s35148-020-0219-4.

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23

Kruse, Enrico, and Michael Reichenbach. ""Beim Thema NVH lernen wir gemeinsam mit unseren Partnern"." ATZ - Automobiltechnische Zeitschrift 122, no. 6 (May 29, 2020): 22–25. http://dx.doi.org/10.1007/s35148-020-0269-7.

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24

Orand, Nicolas. "Besseres NVH-Verhalten durch Schall- und Schwingungsanalyse im Kraftstoffsystem." MTZ - Motortechnische Zeitschrift 74, no. 9 (August 10, 2013): 680–85. http://dx.doi.org/10.1007/s35146-013-0201-8.

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25

WU, Guangqiang. "Review of Dynamic Research for NVH Problems Related to Automotive Driveline." Journal of Mechanical Engineering 49, no. 24 (2013): 108. http://dx.doi.org/10.3901/jme.2013.24.108.

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26

Batel, Mehdi. "Deploying successfully Laser Doppler Vibrometry techniques within the automotive NVH process." Journal of the Acoustical Society of America 123, no. 5 (May 2008): 3868. http://dx.doi.org/10.1121/1.2935746.

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27

Jeoung, Sun Kyoung, Jin Uk Ha, Youn Ki Ko, Bo-Ram Kim, Seung Eul Yoo, Ki Dong Lee, Su Nam Lee, and Pyoung-Chan Lee. "Aerobic biodegradability of polyester/polylactic acid composites for automotive NVH parts." International Journal of Precision Engineering and Manufacturing 15, no. 8 (August 2014): 1703–7. http://dx.doi.org/10.1007/s12541-014-0522-7.

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28

Sang, Jochen, Massimo Venturi, and Ralf Bocksch. "NVH-Challenges of Air Supply Subsystems for Automotive Fuel Cell Applications." SAE International Journal of Engines 1, no. 1 (April 14, 2008): 258–66. http://dx.doi.org/10.4271/2008-01-0316.

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29

Periyathamby, Haran, Michael E. Anderson, David A. Nash, and Y. Charles Lu. "NVH characteristics of thermoplastic composite engine covers." International Journal of Vehicle Noise and Vibration 5, no. 3 (2009): 205. http://dx.doi.org/10.1504/ijvnv.2009.031027.

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30

Shitole, Vishal, and Rajesh Bhangale. "Upfront truck NVH refinement through virtual simulation approach." International Journal of Vehicle Noise and Vibration 16, no. 3/4 (2020): 199. http://dx.doi.org/10.1504/ijvnv.2020.117824.

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31

Shitole, Vishal, and Rajesh Bhangale. "Upfront truck NVH refinement through virtual simulation approach." International Journal of Vehicle Noise and Vibration 16, no. 3/4 (2020): 199. http://dx.doi.org/10.1504/ijvnv.2020.10041360.

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32

Úradníček, Juraj, Pavel Kraus, Miloš Musil, and Michal Bachratý. "Investigation of Frictional Stick-Slick Effect in Disk Brake NVH." Strojnícky casopis – Journal of Mechanical Engineering 67, no. 1 (April 1, 2017): 93–100. http://dx.doi.org/10.1515/scjme-2017-0010.

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Abstract Paper describes the mechanism of vibration of a minimal automotive disc brake model which can lead to unwanted effects known as brake Noise Vibrations and Harshness (NVH). Stick-slip frictional effects are mathematically described by simplification of physical assumptions. Self-excited vibrations due to stick-slip and also stability conditions are defined using a 1 degree of freedom mechanical system. Non-Coulomb nonlinear behavior of the friction force with negative slope is considered. Response is obtained by the numerical solution of ordinary differential equation.

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33

Kumbhar, S., Subhasis Maji, and Bimlesh Kumar. "Automotive vibration and noise control using smart materials: a state of art and challenges." World Journal of Engineering 10, no. 6 (December 1, 2013): 535–42. http://dx.doi.org/10.1260/1708-5284.10.6.535.

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In the past several years, there has been increased market place awareness of noise, vibration, and harshness performance in automobiles. The differentiation between the quality and reliability levels of automobiles has become less pronounced and, as a result, manufacturers have had to demonstrate superiority by focusing on NVH concerns. The automotive industry is currently spending millions of dollars on NVH work to develop new materials and damping techniques so that the damping treatments are lighter, cheaper, and more effective. Some of the methods used to control noise, vibration, and harshness includes the use of different carpeting treatments, the addition of rubber or asphalt material to car panels, gap sealant, and the injection of expandable foam into body panels. The aim of this study is to explore the feasibility of smart damping materials such as magnet orheological elastomers (MRE), piezoelectric materials, with its basic properties, for augmenting and improving the performance benefits of damping materials. This study also evaluates the noise and vibration benefits of smart damping materials as compared to conventional damping treatments.

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34

Kumbhar, S., Subhasis Maji, and Bimlesh Kumar. "Automotive vibration and noise control using smart materials: a state of art and challenges." World Journal of Engineering 11, no. 4 (August 1, 2014): 413–20. http://dx.doi.org/10.1260/1708-5284.11.4.413.

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In the past several years, there has been increased market place awareness of noise, vibration, and harshness performance in automobiles. The differentiation between the quality and reliability levels of automobiles has become less pronounced and, as a result, manufacturers have had to demonstrate superiority by focusing on NVH concerns. The automotive industry is currently spending millions of dollars on NVH work to develop new materials and damping techniques so that the damping treatments are lighter, cheaper and more effective. Some of the methods used to control noise, vibration and harshness includes the use of different carpeting treatments, the addition of rubber or asphalt material to car panels, gap sealant, and the injection of expandable foam into body panels. The aim of this study is to explore the feasibility of smart damping materials such as magnetorheological elastomers (MRE), piezoelectric materials, with its basic properties, for augmenting and improving the performance benefits of damping materials. This study also evaluates the noise and vibration benefits of smart damping materials as compared to conventional damping treatments.

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35

Yu, Zhenqi, Dong Cheng, and Xingyuan Huang. "Low-Frequency Road Noise of Electric Vehicles Based on Measured Road Surface Morphology." World Electric Vehicle Journal 10, no. 2 (May 30, 2019): 33. http://dx.doi.org/10.3390/wevj10020033.

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In this paper, the noise vibration harshness (NVH) road surface morphology of a test site is scanned to establish a data processing system for the road surface, which can be used to transform the road surface morphology into the road surface excitation required for the road noise simulation analysis. The road surface morphology of the test site is used as the excitation input of the simulation analysis. The results obtained from the simulation analysis are equivalent to the experimental results. Using the actual scanning road surface morphology to simulate the excitation of a vehicle, the noise, as well as the vibration response of the vehicle under the actual road excitation of NVH in the early stage of vehicle development, can be accurately predicted. In the physical prototype stage, the rectification of vehicle road noise and the optimization to provide the needed excitation for the simulation analysis can be done, which will reduce the labor costs of the relevant experiment. Therefore, this method of road noise research has important engineering significance.

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36

Cheng, Yang, Yang Liang, and Luo Hong. "Design of a Web-Based Information Management Platform for Automotive Intake and Exhaust System." Applied Mechanics and Materials 148-149 (December 2011): 397–402. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.397.

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The management and sharing of varied automotive intake and exhaust system data makes it imperative for modern automotive companies. Based on needs of a certain company’s NVH department, much work has been done to analyze the data management method and data features, then a web platform based on B/S model has been built and also the solutions to transformation methods between different data types, data visualization, processing of massive data and data dynamic expansion are presented. Based on the key technologies, a practical web-based information system is designed for the management of intake and exhaust system data, which remarkably facilitates the company’s data management work.

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37

Juang, T. B., M. Cheng, and L. Na. "Experimental and finite element analyses of a sliding-tube-type driveshaft-induced vehicle vibration." Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics 221, no. 3 (September 1, 2007): 375–85. http://dx.doi.org/10.1243/14644193jmbd76.

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Driveline noise, vibration, and harshness (NVH) has become an integral attribute in defining how the vehicle NVH performance is perceived by the customers of the automotive industry. The driveshaft component design requirements need to make sure that the designed driveline system is robust and reliable in order to achieve the vehicle NVH targets. They also need to ensure that the system maintains its durability performance as well. A slip mechanism in the driveline system is needed to accommodate the movements caused by the rear axle and rear suspensions when the vehicle travels on a rough road or accelerates/ decelerates abruptly. One design option to accommodate the slip mechanism is to use a press-fitted sliding-tube design. This slip mechanism causes the fluctuation of the contact forces in the tubes, particularly in the vehicle coast down course, and becomes a non-linear contact force phenomenon. This paper uses experimental and finite element method linear tools to explain the non-linear behaviour of the sliding-tube driveshaft, and to provide design options to prevent vehicle vibration issues created by the current sliding-tube driveshaft design.

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38

Virgillito, Enrico, Lorenzo Sisca, and Massimiliana Carello. "Influence of Freeze-Thaw Aging on the Impact Performance of Damped Carbon Fiber Reinforced Plastics for Automotive Applications." Applied Sciences 12, no. 8 (April 15, 2022): 4020. http://dx.doi.org/10.3390/app12084020.

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The increasing use of composite materials in the automotive field requires more attention with regards to the appearance of noise, vibration and harshness (NVH) study in cars construction. However, in car door panels production, impact characteristics need to be evaluated in sandwich laminates. Furthermore, it is important to consider the effect of prolonged environmental aging on crashworthiness properties. The innovative content of the work is the hygrothermal effects evaluation on impact performance for two damped CFRP sandwich laminates. In this paper, two damping materials, Kraibon HHZ9578/99 and SUT9609/24, were used as core between two skins of CFRP for sandwich composite production. Freeze-Thaw aging treatment according to IEC 60068, specific for Automotive, was performed to investigate environmental effects on components. Up to 750 h, it was demonstrated that water absorption is regulated by Fick’s Law. The low-velocity impact behavior of the damped sandwiches has been studied according to ASTM D7136 throughout drop dart test equipment. Both main peak forces and energy absorption characteristics are negatively affected by aging condition. The introduction of damping core inside the composite structure of vehicle components can satisfy NVH constrictions. By contrast, at least same operating conditions must be assured in relation to not-damped components.

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39

Bin Talib, Mohamad Helmi, Nurulakmar Abu Husain, and Zaidi Farouk Bin Fauzi. "Preprocessing and Solving Finite Element Analysis for NVH Prediction." Applied Mechanics and Materials 471 (December 2013): 45–51. http://dx.doi.org/10.4028/www.scientific.net/amm.471.45.

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Current vehicle development period has become shorter; therefore, virtual testing has been considered as vital to assist design decision at the early stage of the development. Over the last three decades, Finite Element Method (FEM) is widely used to predict the Noise and Vibration level of a vehicle. With the latest technology of Computer Aided Engineering (CAE) simulation, the calculation time taken for NVH analysis can be reduced from few days to only few hours. This paper presents current simulation technique for automotive development using Altair Hyperworks as preprocessing tool for vehicle modeling as well as application of NASTRAN as calculation solver. Normal Mode analysis is conducted on the Trimmed Body to investigate the natural frequency of the steering and the vehicle resonance. The result obtained is comparable with the actual prototype testing result to present the level of correlation. Coupling structural-acoustic analysis also conducted to predict the Noise Transfer Function (NTF) at the driver's ear.

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40

Stoffels, Harald. "Balancing driveability, NVH, and fuel consumption on automotive powertrains using integrated simulation techniques." Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics 231, no. 3 (June 26, 2017): 556–67. http://dx.doi.org/10.1177/1464419317715844.

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41

Ih, Kang-duck. "New roles and responsibilities of automotive NVH engineers in an era of change." Noise News International 23, no. 4 (December 1, 2015): 156–62. http://dx.doi.org/10.3397/1.37023125.

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42

Abdallah, A., Bhaskar Avutapalli, Glen Steyer, Zhaohui Sun, and Kai Yang. "Effective NVH analysis and optimisation with CAE and computer experiments." International Journal of Vehicle Noise and Vibration 3, no. 1 (2007): 1. http://dx.doi.org/10.1504/ijvnv.2007.014396.

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43

Shively, Roger. "Automotive cabin acoustics and audio." Journal of the Acoustical Society of America 152, no. 4 (October 2022): A120. http://dx.doi.org/10.1121/10.0015744.

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We spend most of our quality listening time either at home or in a car. Unlike a concert hall -- where we spend the least amount of time listening, and on which there has been more than a century of research done -- there has very little research done for the home, and even less for the car. And this is why we put so much effort into the science of sound in homes and even more so into the science of sound in cars. Mr. Shively will explore the evolving path to becoming an audio engineer or an NVH engineer: the acoustic path. And, he will address the question of why sound quality does really matter, and the overlapping engineering disciplines which pursue sound quality. He will discuss how the audio systems are expanding to integrate Active Noise Control (ANC), Advanced Driver-Assistance Systems (ADAS), and Acoustic Vehicle Alert Systems (AVAS) for quiet car sound design and autonomous driver alerts in the pursuit of sound quality and how that is achieved. He will review the classical challenges of acoustics in a car and the new challenges for OEM audio system design and how they are being met. And, finally, he will touch on the evolution of expectations in automotive audio in existing markets and, more critically, emerging markets.

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44

Hu, Qiao Sheng, Feng Ni, Shu Guang Zuo, Jian Ping Lin, De Guang Fang, and Fu Xiang Guo. "Investigation on Technology of Automobile Vibration and Noise Reduction Based on Body-In-White Structure." Key Engineering Materials 474-476 (April 2011): 676–80. http://dx.doi.org/10.4028/www.scientific.net/kem.474-476.676.

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The automotive body system is not only a source for directly radiating noise into the vehicle interior space, but also a key component for transmitting various vibrations and noise. The optimization of the modes for body-in-white has significant meanings for improving the reliability and NVH (Noise, Vibration and Harshness) performance of the whole vehicle. Based on the current situation that there is more severe interior vibration and noise problem occurring in driving for a light passenger vehicle, a hybrid modal analysis method combined with experiment and simulation methods is applied to investigate the vibration and noise characteristics of the whole vehicle body. By performing such modal analysis, the modal frequencies of the auto-body are improved effectively by strengthening the vibration sensitive regions in the body structure. The experiment for measuring interior vibration and noise levels under cruise condition is conducted to validate that the structural optimization for body-in-white has significant contribution for improving the whole vehicle NVH performance.

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45

HUMBERT, Louis, P. Pellerey, and S. Cristaudo. "Electromagnetic and Structural Coupled Simulation to Investigate NVH Behavior of an Electrical Automotive Powertrain." SAE International Journal of Alternative Powertrains 1, no. 2 (June 13, 2012): 395–404. http://dx.doi.org/10.4271/2012-01-1523.

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46

AIZAWA, Nobuo. "Prediction of Noise and Vibration : Present State of NVH Simulation in the Automotive lndustry." Journal of the Society of Mechanical Engineers 105, no. 1009 (2002): 792–93. http://dx.doi.org/10.1299/jsmemag.105.1009_792.

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47

Liu, Xia, Hua Jin Yan, Xiu Jie Liu, and Xia Sun. "Analysis and Study of the Transmission Path Based on the Body and NVH." Applied Mechanics and Materials 385-386 (August 2013): 272–75. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.272.

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In the field of automotive engineering, noise and vibration in the car comes mainly from the engine and the road passed through the body, suspension, mount and exhaust system path to the car or reverberation. So this article , a model of white body transfer path analysis and research, improves the rigidity of white body, to reduce noise, vibration, and weight is reduced, and find out the resonance phenomena because of insufficient stiffness of car body, combining body CAE modal analysis results provide the theoretical basis for the optimization of structural damping.

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48

Sirafi, Mohammad, Yin Ping Chang, and Mohamad S. Qatu. "Robustness of mount systems for idle NVH, Part II: pendulum mounts." International Journal of Vehicle Noise and Vibration 2, no. 4 (2006): 334. http://dx.doi.org/10.1504/ijvnv.2006.012783.

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49

Senthil Kumar, M., C. D. Naiju, S. J. Chethan Kumar, and Joseph Kurian. "Vibration Analysis and Improvement of a Vehicle Chassis Structure." Applied Mechanics and Materials 372 (August 2013): 528–32. http://dx.doi.org/10.4028/www.scientific.net/amm.372.528.

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Abstract:

Product development cycle time is very important in automotive industry which is very competitive nowerdays. New products are introduced into the market with better designs in short period of time by carrying out different engineering analysis. This study is focused on analyzing the existing chassis design and the noise, vibration and harshness(NVH) characteristics are studied. Modeling of chassis structure is carried out using 3D modelling package CATIA V5 and finite element model is created by meshing using Hypermesh software. The main objective is to find the natural frequency and analyse the mode shape of the automotive chassis structure. Results of the analysis will help to study the dynamic behavior of the chassis structure with load application/real road condition and to improvise the car chassis structure assembly.

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Hadjit, Rabah, Fredrik Sjogren, Athanasios Poulos, and Cyril de Walque. "Auralization of road noise CAE simulation results for interactive sound quality evaluations." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 264, no. 1 (June 24, 2022): 858–64. http://dx.doi.org/10.3397/nc-2022-826.

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Abstract:

Road noise is one of the dominant contributions to a vehicle interior noise when driving below highway speed. In this paper, we present the process we developed to support automotive OEMs with road noise engineering during vehicle design and development. The process allows to auralize, in a driving simulator for NVH, road noise CAE simulation results obtained from coupled multibody, structural finite-elements and acoustic models. With this process, engineers can now listen to a vehicle sound and perform interactive sound quality evaluation for road noise even before physical prototypes are available.

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