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J.W. Lee, G.H. Yoon, S.H. Jeong, "Structural Optimization of Reinforcement considering the Fatigue Life in a Dynamic System", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 167, 2015. doi:10.4203/ccp.108.167

Keywords: topology optimization, fatigue life, reinforcement, narrow band solution.

Summary

In this paper a new topology optimization method that can consider fatigue life is presented. The fatigue life is the time until the fracture of the structure occurs. To estimate the fatigue life in the frequency domain, a method that consists of the power spectrum density (PSD) function and the probability density function (PDF) is used and it is called a narrow band solution. The narrow band solution is the general method for the narrow band frequency region. In this research, the design domain consists of two layers and optimization is conducted in the top layer (the bottom layer is excluded from the optimization procedure). This is because the design of the reinforcement is to be kept as in the original structure. Moreover because this method is also related to stress based topology optimization, the qp-relaxation and p-norm method are used to overcome the singularity problem and local behaviour.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 108 PROCEEDINGS OF THE FIFTEENTH INTERNATIONAL CONFERENCE ON CIVIL, STRUCTURAL AND ENVIRONMENTAL ENGINEERING COMPUTING Edited by: J. Kruis, Y. Tsompanakis and B.H.V. Topping Paper 167 Structural Optimization of Reinforcement considering the Fatigue Life in a Dynamic System J.W. Lee, G.H. Yoon and S.H. Jeong Department of Mechanical Engineering, Han-Yang University, Korea doi:10.4203/ccp.108.167 purchase the full-text of this paper Full Bibliographic Reference for this paper J.W. Lee, G.H. Yoon, S.H. Jeong, "Structural Optimization of Reinforcement considering the Fatigue Life in a Dynamic System", in J. Kruis, Y. Tsompanakis, B.H.V. Topping, (Editors), "Proceedings of the Fifteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 167, 2015. doi:10.4203/ccp.108.167 Keywords: topology optimization, fatigue life, reinforcement, narrow band solution. Summary In this paper a new topology optimization method that can consider fatigue life is presented. The fatigue life is the time until the fracture of the structure occurs. To estimate the fatigue life in the frequency domain, a method that consists of the power spectrum density (PSD) function and the probability density function (PDF) is used and it is called a narrow band solution. The narrow band solution is the general method for the narrow band frequency region. In this research, the design domain consists of two layers and optimization is conducted in the top layer (the bottom layer is excluded from the optimization procedure). This is because the design of the reinforcement is to be kept as in the original structure. Moreover because this method is also related to stress based topology optimization, the qp-relaxation and p-norm method are used to overcome the singularity problem and local behaviour. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £75 +P&P)
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