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Keywords: inverse problems, parameter identification, timber-concrete structures..

Summary

Inverse problems can be used in many ways in civil engineering analysis. Using observations from a system, one can determine the parameters that best fit the data. In this paper, a deterministic approach to the inverse problem theory is applied to estimate the parameters of a timber-concrete slab-type structure using its static response. An optimization method is associated with a numerical structural analysis procedure to find the parameters such as connection stiffness and Young's modulus. A study of the influence of uncertainties and inaccuracies is made in a postestimation analysis context. The sensitivity of the parameters to the amount of data used and the initial value of the parameters is considered. The results show an important influence of these uncertainties, since the differences between numerical and experimental responses are significant.

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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: 106 PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by: Paper 184 Inverse Problems in the Analysis of Timber Structures D.L. Santo, A.G. Dias and L.M.C. Simões Department of Civil Engineering, University of Coimbra, Portugal doi:10.4203/ccp.106.184 purchase the full-text of this paper Full Bibliographic Reference for this paper , "Inverse Problems in the Analysis of Timber Structures", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 184, 2014. doi:10.4203/ccp.106.184 Keywords: inverse problems, parameter identification, timber-concrete structures.. Summary Inverse problems can be used in many ways in civil engineering analysis. Using observations from a system, one can determine the parameters that best fit the data. In this paper, a deterministic approach to the inverse problem theory is applied to estimate the parameters of a timber-concrete slab-type structure using its static response. An optimization method is associated with a numerical structural analysis procedure to find the parameters such as connection stiffness and Young's modulus. A study of the influence of uncertainties and inaccuracies is made in a postestimation analysis context. The sensitivity of the parameters to the amount of data used and the initial value of the parameters is considered. The results show an important influence of these uncertainties, since the differences between numerical and experimental responses are significant. 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 £65 +P&P)
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