ZHAO, Yongsheng ;YANG, Cheng ;CAI, Ligang ;SHI, Weimin ;HONG, Yi . Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution. Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 62, n.11, p. 665-677, june 2018. ISSN 0039-2480. Available at: <https://www.sv-jme.eu/article/stiffness-and-damping-model-of-bolted-joints-with-uneven-surface-contact-pressure-distribution/>. Date accessed: 19 dec. 2024. doi:http://dx.doi.org/10.5545/sv-jme.2016.3410.
Zhao, Y., Yang, C., Cai, L., Shi, W., & Hong, Y. (2016). Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution. Strojniški vestnik - Journal of Mechanical Engineering, 62(11), 665-677. doi:http://dx.doi.org/10.5545/sv-jme.2016.3410
@article{sv-jmesv-jme.2016.3410,
author = {Yongsheng Zhao and Cheng Yang and Ligang Cai and Weimin Shi and Yi Hong},
title = {Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {62},
number = {11},
year = {2016},
keywords = {Bolted joint, Contact stiffness and damping, Fractal contact theory, Uneven pressure distribution, Machine tool},
abstract = {Bolted connections are widely employed to fix the structural components, in which the bolted joint is one of the weakest parts and can significantly affect the dynamic characteristics of the machine tool. In this research, a stiffness and damping model based on the uneven surface contact pressure is presented for the bolted joint to accurately predict the dynamic characteristic of a bolted assembly. The normal and tangential stiffness and damping of the contact surface can be deduced based on the fractal contact theory. However, the contact surface pressure of bolted joint is unevenly distributed due to the influence of the concentrated force of multi-bolts. Therefore, the pressure of the contact surface is introduced to define the stiffness and damping of bolted joint. The assumption is that the contact surface is flat in the macro-scale. Then, we can obtain the pressure distribution of contact surface through the finite element (FE) method. The nonlinear relationship of stiffness, the damping of the bolted joint, and the pressure of contact surface can be obtained and assigned to the FE model based on the pressure distribution of the contact surface. An experimental set-up with a box-shaped specimen is designed for validating the proposed model. The equal pre-tightening force and bending moment effect case studies are provided to demonstrate the effectiveness of the model. The results show that the proposed model can be used to accurately predict the dynamic characteristic of the machine tool.},
issn = {0039-2480}, pages = {665-677}, doi = {10.5545/sv-jme.2016.3410},
url = {https://www.sv-jme.eu/article/stiffness-and-damping-model-of-bolted-joints-with-uneven-surface-contact-pressure-distribution/}
}
Zhao, Y.,Yang, C.,Cai, L.,Shi, W.,Hong, Y. 2016 June 62. Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 62:11
%A Zhao, Yongsheng %A Yang, Cheng %A Cai, Ligang %A Shi, Weimin %A Hong, Yi %D 2016 %T Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution %B 2016 %9 Bolted joint, Contact stiffness and damping, Fractal contact theory, Uneven pressure distribution, Machine tool %! Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution %K Bolted joint, Contact stiffness and damping, Fractal contact theory, Uneven pressure distribution, Machine tool %X Bolted connections are widely employed to fix the structural components, in which the bolted joint is one of the weakest parts and can significantly affect the dynamic characteristics of the machine tool. In this research, a stiffness and damping model based on the uneven surface contact pressure is presented for the bolted joint to accurately predict the dynamic characteristic of a bolted assembly. The normal and tangential stiffness and damping of the contact surface can be deduced based on the fractal contact theory. However, the contact surface pressure of bolted joint is unevenly distributed due to the influence of the concentrated force of multi-bolts. Therefore, the pressure of the contact surface is introduced to define the stiffness and damping of bolted joint. The assumption is that the contact surface is flat in the macro-scale. Then, we can obtain the pressure distribution of contact surface through the finite element (FE) method. The nonlinear relationship of stiffness, the damping of the bolted joint, and the pressure of contact surface can be obtained and assigned to the FE model based on the pressure distribution of the contact surface. An experimental set-up with a box-shaped specimen is designed for validating the proposed model. The equal pre-tightening force and bending moment effect case studies are provided to demonstrate the effectiveness of the model. The results show that the proposed model can be used to accurately predict the dynamic characteristic of the machine tool. %U https://www.sv-jme.eu/article/stiffness-and-damping-model-of-bolted-joints-with-uneven-surface-contact-pressure-distribution/ %0 Journal Article %R 10.5545/sv-jme.2016.3410 %& 665 %P 13 %J Strojniški vestnik - Journal of Mechanical Engineering %V 62 %N 11 %@ 0039-2480 %8 2018-06-27 %7 2018-06-27
Zhao, Yongsheng, Cheng Yang, Ligang Cai, Weimin Shi, & Yi Hong. "Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution." Strojniški vestnik - Journal of Mechanical Engineering [Online], 62.11 (2016): 665-677. Web. 19 Dec. 2024
TY - JOUR AU - Zhao, Yongsheng AU - Yang, Cheng AU - Cai, Ligang AU - Shi, Weimin AU - Hong, Yi PY - 2016 TI - Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution JF - Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2016.3410 KW - Bolted joint, Contact stiffness and damping, Fractal contact theory, Uneven pressure distribution, Machine tool N2 - Bolted connections are widely employed to fix the structural components, in which the bolted joint is one of the weakest parts and can significantly affect the dynamic characteristics of the machine tool. In this research, a stiffness and damping model based on the uneven surface contact pressure is presented for the bolted joint to accurately predict the dynamic characteristic of a bolted assembly. The normal and tangential stiffness and damping of the contact surface can be deduced based on the fractal contact theory. However, the contact surface pressure of bolted joint is unevenly distributed due to the influence of the concentrated force of multi-bolts. Therefore, the pressure of the contact surface is introduced to define the stiffness and damping of bolted joint. The assumption is that the contact surface is flat in the macro-scale. Then, we can obtain the pressure distribution of contact surface through the finite element (FE) method. The nonlinear relationship of stiffness, the damping of the bolted joint, and the pressure of contact surface can be obtained and assigned to the FE model based on the pressure distribution of the contact surface. An experimental set-up with a box-shaped specimen is designed for validating the proposed model. The equal pre-tightening force and bending moment effect case studies are provided to demonstrate the effectiveness of the model. The results show that the proposed model can be used to accurately predict the dynamic characteristic of the machine tool. UR - https://www.sv-jme.eu/article/stiffness-and-damping-model-of-bolted-joints-with-uneven-surface-contact-pressure-distribution/
@article{{sv-jme}{sv-jme.2016.3410},
author = {Zhao, Y., Yang, C., Cai, L., Shi, W., Hong, Y.},
title = {Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {62},
number = {11},
year = {2016},
doi = {10.5545/sv-jme.2016.3410},
url = {https://www.sv-jme.eu/article/stiffness-and-damping-model-of-bolted-joints-with-uneven-surface-contact-pressure-distribution/}
}
TY - JOUR AU - Zhao, Yongsheng AU - Yang, Cheng AU - Cai, Ligang AU - Shi, Weimin AU - Hong, Yi PY - 2018/06/27 TI - Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution JF - Strojniški vestnik - Journal of Mechanical Engineering; Vol 62, No 11 (2016): Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2016.3410 KW - Bolted joint, Contact stiffness and damping, Fractal contact theory, Uneven pressure distribution, Machine tool N2 - Bolted connections are widely employed to fix the structural components, in which the bolted joint is one of the weakest parts and can significantly affect the dynamic characteristics of the machine tool. In this research, a stiffness and damping model based on the uneven surface contact pressure is presented for the bolted joint to accurately predict the dynamic characteristic of a bolted assembly. The normal and tangential stiffness and damping of the contact surface can be deduced based on the fractal contact theory. However, the contact surface pressure of bolted joint is unevenly distributed due to the influence of the concentrated force of multi-bolts. Therefore, the pressure of the contact surface is introduced to define the stiffness and damping of bolted joint. The assumption is that the contact surface is flat in the macro-scale. Then, we can obtain the pressure distribution of contact surface through the finite element (FE) method. The nonlinear relationship of stiffness, the damping of the bolted joint, and the pressure of contact surface can be obtained and assigned to the FE model based on the pressure distribution of the contact surface. An experimental set-up with a box-shaped specimen is designed for validating the proposed model. The equal pre-tightening force and bending moment effect case studies are provided to demonstrate the effectiveness of the model. The results show that the proposed model can be used to accurately predict the dynamic characteristic of the machine tool. UR - https://www.sv-jme.eu/article/stiffness-and-damping-model-of-bolted-joints-with-uneven-surface-contact-pressure-distribution/
Zhao, Yongsheng, Yang, Cheng, Cai, Ligang, Shi, Weimin, AND Hong, Yi. "Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 62 Number 11 (27 June 2018)
Strojniški vestnik - Journal of Mechanical Engineering 62(2016)11, 665-677
© The Authors, CC-BY 4.0 Int. Change in copyright policy from 2022, Jan 1st.
Bolted connections are widely employed to fix the structural components, in which the bolted joint is one of the weakest parts and can significantly affect the dynamic characteristics of the machine tool. In this research, a stiffness and damping model based on the uneven surface contact pressure is presented for the bolted joint to accurately predict the dynamic characteristic of a bolted assembly. The normal and tangential stiffness and damping of the contact surface can be deduced based on the fractal contact theory. However, the contact surface pressure of bolted joint is unevenly distributed due to the influence of the concentrated force of multi-bolts. Therefore, the pressure of the contact surface is introduced to define the stiffness and damping of bolted joint. The assumption is that the contact surface is flat in the macro-scale. Then, we can obtain the pressure distribution of contact surface through the finite element (FE) method. The nonlinear relationship of stiffness, the damping of the bolted joint, and the pressure of contact surface can be obtained and assigned to the FE model based on the pressure distribution of the contact surface. An experimental set-up with a box-shaped specimen is designed for validating the proposed model. The equal pre-tightening force and bending moment effect case studies are provided to demonstrate the effectiveness of the model. The results show that the proposed model can be used to accurately predict the dynamic characteristic of the machine tool.