A Correlation Improvement Technique for Model Updating of Structures

Date

2016-10-01

Author

Altunel, Fatih
Celik, Mehmet
Çalışkan, Mehmet

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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This study proposes a new correlation improvement technique for the optimum node removal location to get improved modal assurance criterion (MAC) matrix. The technique is applied to updating of the finite element model (FEM) of a structure. The developed routine is tried on a utility helicopter. It is proven that it is capable of showing better performance than the coordinate MAC (coMAC), commonly used in such analyses. Commercial software is utilized for the finite element analysis of the helicopter fuselage and tail. Experimental modal analyses are also performed for updating the model for tail of the helicopter to demonstrate the effectiveness of the new technique.

Subject Keywords

Modal assurance criterion, Helicopter FEM analysis, Model updating, Experimental modal analysis

URI

https://hdl.handle.net/11511/37193

Journal

INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS

DOI

https://doi.org/10.1142/s0219455415500492

Collections

Department of Mechanical Engineering, Article

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Citation Formats

F. Altunel, M. Celik, and M. Çalışkan, “A Correlation Improvement Technique for Model Updating of Structures,” INTERNATIONAL JOURNAL OF STRUCTURAL STABILITY AND DYNAMICS, pp. 0–0, 2016, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/37193.