Trimmed Body Static Stiffness Identification Using Dynamic Measurements: Test Methodology and Correlation with CAE Results

Ottaiano, Simona Anna; Geluk, Theo; Teipen, Elmar; El-Kafafy, Mahmoud

doi:10.4271/2018-01-1496

SAE Technical Paper Series 2018

DOI: 10.4271/2018-01-1496

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Trimmed Body Static Stiffness Identification Using Dynamic Measurements: Test Methodology and Correlation with CAE Results

Simona Anna Ottaiano¹,

Theo Geluk²,

Elmar Teipen³

et al.

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2019

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Cited by 2 publications

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Simulation analysis and experimental verification on body-in-white static stiffness of a certain commercial vehicle

Ding¹,

Wang²

2019

Vib. proced.

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The body-in-white simulation model of a certain commercial vehicle was established to make a numerical analysis of the vehicle body static stiffness in this research. Meanwhile, the effectiveness of the simulation model was verified using the physical test of body-in-white static stiffness. Research results showed that the error of body-in-white static stiffness test and simulation analysis was within the range of ±10 %, which could reduce the test cost and guarantee the test precision. The research findings do provide a better application value and references for vehicle engineering developers.

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Simulation analysis and experimental verification on body-in-white static stiffness of a certain commercial vehicle

Ding¹,

Wang²

2019

Vib. proced.

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Target Setting for the Stiffness of Local Mounting Area in the Vehicle Body for NVH and R&H

Kim¹,

Lee²

2019

SAE Int. J. Adv. & Curr. Prac. in Mobility

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<div class="section abstract"><div class="htmlview paragraph">Performance criterion of local stiffness in BIW(Body in White) for NVH(Noise, Vibration, and Harshness) and R&H (Ride and Handling) are presented in this study. A process to develop the local stiffness of the vehicle body has been established for the performances. For handling performance, not only suspension bush stiffness but local stiffness in BIW structure is important. However, there is no good standard to describe handling performance using BIW local stiffness. In this paper, a new evaluation standard for local stiffness in BIW is developed and verified considering actual vehicle driving condition for handling performance. Also, new evaluation process regarding local stiffness in BIW for vibration transmissibility is presented. The new process is developed considering optimal relation between connecting bush stiffness and BIW local stiffness. It is shown that the interior noise of the vehicle is reduced by applying the evaluation process, which is verified through several cases.</div></div>

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Trimmed Body Static Stiffness Identification Using Dynamic Measurements: Test Methodology and Correlation with CAE Results

Cited by 2 publications

References 4 publications

Simulation analysis and experimental verification on body-in-white static stiffness of a certain commercial vehicle

Simulation analysis and experimental verification on body-in-white static stiffness of a certain commercial vehicle

Target Setting for the Stiffness of Local Mounting Area in the Vehicle Body for NVH and R&H

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