Commenced in January 2007
Frequency: Monthly
Edition: International
Paper Count: 30737
Optimization of Passive Vibration Damping of Space Structures

Authors: Mohamed Kamel, Emad Askar, Eldesoky Elsoaly, Hisham Kamel


The objective of this article is to improve the passive vibration damping of solar array (SA) used in space structures, by the effective application of numerical optimization. A case study of a SA is used for demonstration. A finite element (FE) model was created and verified by experimental testing. Optimization was then conducted by implementing the FE model with the genetic algorithm, to find the optimal placement of aluminum circular patches, to suppress the first two bending mode shapes. The results were verified using experimental testing. Finally, a parametric study was conducted using the FE model where patch locations, material type, and shape were varied one at a time, and the results were compared with the optimal ones. The results clearly show that through the proper application of FE modeling and numerical optimization, passive vibration damping of space structures has been successfully achieved.

Keywords: genetic algorithm optimization, damping optimization, passive vibration damping, solar array vibration damping

Digital Object Identifier (DOI):

Procedia APA BibTeX Chicago EndNote Harvard JSON MLA RIS XML ISO 690 PDF Downloads 690


[1] S. Havaldar, R. Sharma1, V. Raghupathy and M. Adiga "Evaluation of dynamic parameters of adhesively bonded steel and aluminum plates", ARPN Journal of Engineering and Applied Sciences,2012.
[2] V. Tatavolu and S. Panchumarthy, "Embedded computer based active vibration control system for vibration reduction of flexible structures" Journal of Computer Science, ISSN: 1549-3636, 2013.
[3] K. Sasikumar "Experimental investigations of the effect of constraining layer parameters in vibration control of structures" International Journal of Advanced Research in Engineering and Applied Sciences, ISSN: 2278-6252, 2015.
[4] H. Ji, J. Qiu and P. Xia "Semi-active Vibration Control Based on Switched Piezoelectric Transducers" Nanjing University of Aeronautics and Astronautics, China, 2010.
[5] G. Aglietti1, R. Langley, E. Rogers and S. Gabrie "Model Building and Verification for Active Control of Microvibrations with Probabilistic Assessment of the Effects of Uncertainties" J. Mechanical Engineering Science, 2004.
[6] P. Hujare, A. Sahasrabudhe "Experimental investigations of damping performance of viscoelastic material using constraining layer damping treatment" Elsevier, International Conference on Advances in Manufacturing and Engineering AMME 2014.
[7] K.S.K Sasikumar "Vibration control of Beam with Composite Constrained Layer Treatment" International Journal of Latest Trends in Engineering and Technology (IJLTET) 2015.
[8] A. Zurich "Composite laminates with integrated vibration damping treatments", France, A thesis of Doctor of Philosophy, 2012.
[9] P. Marcotte "A study of distributed active vibration absorbers (DAVA)", Blacksburg, Virginia, A thesis of Doctor of Philosophy, 2004.
[10] M. Ansari "Optimal Vibration Control in Structures using Level set Technique", Waterloo, Ontario, Canada, A thesis of Doctor of Philosophy, 2013.
[11] A.H. Daraji, J. M. Hale and R. Bicker "Active vibration control of a smart structure", School of Mechanical and Systems Engineering, Newcastle University, 2008.
[12] S. Kumar, R. Srivastava, R. Srivastava "Active vibration control of smart piezo cantilever beam using PID controller" International Journal of Research in Engineering and Technology IJRET, 2014.
[13] N. Shoushtari "Optimal Active Control of Flexible Structures Applying Piezoelectric Actuators" Waterloo, Ontario, Canada, A thesis of Doctor of Philosophy 2013.