Calculation of Nonlinear Stiffness of Rubber Pad under Different Temperatures and Prepressures
The static stiffness of rubber springs is affected by temperature and prepressure. In this thesis, the relationship between Young’s modulus and temperature of rubber was studied, and the quantitative relationship between them was determined. The approximate formula for calculating the static stiffne...
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| Veröffentlicht in: | Shock and vibration 2020, Vol.2020 (2020), p.1-10, Article 8140782 |
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| creator | Guo, Zhaotuan Dai, Liangcheng Chi, Mao-Ru Xu, Chuanbo |
| description | The static stiffness of rubber springs is affected by temperature and prepressure. In this thesis, the relationship between Young’s modulus and temperature of rubber was studied, and the quantitative relationship between them was determined. The approximate formula for calculating the static stiffness of rubber pads was further modified, and the ellipse approximation method and convexity coefficient correction method were proposed. In addition, the influence of temperature on geometric nonlinearity was considered. The formula for calculating nonlinear stiffness includes two variables: temperature and prepressure. The results of tests and theoretical calculations demonstrate that the nonlinear formula can be a good approximation and that it can meet the requirements of engineering applications. |
| doi_str_mv | 10.1155/2020/8140782 |
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In this thesis, the relationship between Young’s modulus and temperature of rubber was studied, and the quantitative relationship between them was determined. The approximate formula for calculating the static stiffness of rubber pads was further modified, and the ellipse approximation method and convexity coefficient correction method were proposed. In addition, the influence of temperature on geometric nonlinearity was considered. The formula for calculating nonlinear stiffness includes two variables: temperature and prepressure. The results of tests and theoretical calculations demonstrate that the nonlinear formula can be a good approximation and that it can meet the requirements of engineering applications.</description><identifier>ISSN: 1070-9622</identifier><identifier>EISSN: 1875-9203</identifier><identifier>DOI: 10.1155/2020/8140782</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Acoustics ; Approximation ; Computer simulation ; Convexity ; Crystallization ; Deformation ; Engineering ; Engineering, Mechanical ; Geometric nonlinearity ; Mathematical analysis ; Mechanics ; Modulus of elasticity ; Rubber ; Science & Technology ; Springs (elastic) ; Stiffness ; Studies ; Technology ; Theory</subject><ispartof>Shock and vibration, 2020, Vol.2020 (2020), p.1-10, Article 8140782</ispartof><rights>Copyright © 2020 Chuanbo Xu et al.</rights><rights>COPYRIGHT 2020 John Wiley & Sons, Inc.</rights><rights>Copyright © 2020 Chuanbo Xu et al. 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In this thesis, the relationship between Young’s modulus and temperature of rubber was studied, and the quantitative relationship between them was determined. The approximate formula for calculating the static stiffness of rubber pads was further modified, and the ellipse approximation method and convexity coefficient correction method were proposed. In addition, the influence of temperature on geometric nonlinearity was considered. The formula for calculating nonlinear stiffness includes two variables: temperature and prepressure. 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| subjects | Acoustics Approximation Computer simulation Convexity Crystallization Deformation Engineering Engineering, Mechanical Geometric nonlinearity Mathematical analysis Mechanics Modulus of elasticity Rubber Science & Technology Springs (elastic) Stiffness Studies Technology Theory |
| title | Calculation of Nonlinear Stiffness of Rubber Pad under Different Temperatures and Prepressures |
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