Structural acoustics analysis of automobile parts by using finite element method

Didolkar, Apurva Ajay; Dhavale, Spruha Aniket; Kothavale, Basvaraj

doi:10.1016/j.matpr.2022.09.302

Materials Today: Proceedings

2023

DOI: 10.1016/j.matpr.2022.09.302

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Structural acoustics analysis of automobile parts by using finite element method

Apurva Ajay Didolkar

Spruha Aniket Dhavale

Basvaraj Kothavale

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2024

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Cited by 2 publications

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Modal analysis of key components of crusher based on digital simulation technology

Yao,

2024

Vib. proced.

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The modal characteristics of the crusher rotor and shell constitute the crucial factors influencing vibration and noise. Based on the principle of simplification, the rotor component model was established. Through mesh optimization, the model accuracy and calculation efficiency can be ensured, and the calculation of natural frequency and modal shapes was completed based on ANSYS. To verify the accuracy of the finite element model, the modal test was carried out by the hammering method. Sensors were set in three different directions to obtain the frequency response function and the modal assurance criterion matrix mode confidence criterion. Using the same research method, the modal characteristics of the shell model were simulated and analyzed. The research results show that the modal parameters identified by the modal test are basically consistent with the simulation model. The natural frequencies of the rotor and the shell are quite different from the excitation frequency of the motor, and resonance problems will not occur when the crusher is proper functioning.

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Modal analysis of key components of crusher based on digital simulation technology

Yao,

2024

Vib. proced.

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Modal and dynamic stress analysis of crane support frame based on CAE technology

Lin

2024

Vib. proced.

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The support frame is the main load-bearing component of crane equipment, of which modal and dynamic stress response characteristics have a critical impact on the safety and service life of the entire mechanical structure. Based on the finite element method, the support frame model was reasonably simplified and established. By arranging REB2 elements on the contact surface of the components to be connected, the rigid connection effect of the weld was realized. Through simulation calculation and modal testing, the natural frequency and vibration mode were obtained. Through modal analysis, the dynamic response analysis model was established to determine the maximum dynamic stress variation under instantaneous loading and emergency braking conditions. The results indicate that the reliability and accuracy of the finite element analysis model are high, and the maximum deviation of natural frequencies between experimental and simulation results is less than 10 %. Besides, the performance of the support frame shows good dynamic response efficiency, which proves that the mechanical structure has high stability.

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Structural acoustics analysis of automobile parts by using finite element method

Cited by 2 publications

References 8 publications

Modal analysis of key components of crusher based on digital simulation technology

Modal analysis of key components of crusher based on digital simulation technology

Modal and dynamic stress analysis of crane support frame based on CAE technology

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