SEA Subsystem Attribute Correction Based on Stiffness Multipliers

DOI

10.2991/icemie-16.2016.53How to use a DOI?

Keywords

SEA system correction; stiffness multiplier; modal number; radiation efficiency

Abstract

This study introduces the principles and application procedures of the stiffness multiplier method used to correct the statistical energy analysis (SEA) subsystem attributes. Using the cockpit floor of a certain type of fighter aircraft as an example, this study combines the finite element method and stiffness multiplier correction technique to modify the modal density of the SEA model through theoretical derivation and numerical simulation analysis. Results of the numerical simulation show that the SEA subsystem modified with the stiffness multiplier method can perfectly reflect the dynamic characteristics of complex stiffened plates. Moreover, the results of the calculation are identical to those obtained with the finite element method. The stiffness multiplier method is found to be applicable to the construction of the complex structures of the SEA subsystem model.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Jie Gao
AU  - Yong Yang
PY  - 2016/04
DA  - 2016/04
TI  - SEA Subsystem Attribute Correction Based on Stiffness Multipliers
BT  - Proceedings of the 2016 International Conference on Electrical, Mechanical and Industrial Engineering
PB  - Atlantis Press
SP  - 211
EP  - 215
SN  - 2352-5401
UR  - https://doi.org/10.2991/icemie-16.2016.53
DO  - 10.2991/icemie-16.2016.53
ID  - Gao2016/04
ER  -