Research

Structural modeling of thin-walled, open and closed cross-section beams; dynamic modeling, control and stability; smart structures technology; stability analysis.

Application

Development of smart structures for aerospace and energy applications. Helicopter rotors and horizontal axis wind turbine blades. Elastic and dynamic stability of various structural systems and elements. Postural stability analysis.

Activities

• Editorial Advisory Board of Asian Journal of Engineering and Applied Technology

Journal Articles

Saxton, C.E. and Afagh, F.F.; 2009; AModelling and Dynamic Stability of a Hingeless Active Fibre Composite Blade@; Archive of Applied Mechanics; Research Paper No. AAM-08-0081; 44 pages; accepted for publication.

Khouli, F., Afagh, F.F., and R.G. Langlois; 2008; “Application of the First Order Generalized – α Method to the Solution of an Intrinsic Geometrically Exact Model of Rotor Blade Systems”; ASME Journal of Computational and Nonlinear Dynamics, vol. 4, Is. 1, 12 pages; URL: http://link.aip.org/link/?CND/4/011006.

Wall, A.S., Afagh, F.F.; Langlois, R.G., and Zan, S.J.; 2008; “Modelling Helicopter Blade Sailing: Dynamic Formulation and Validation”; Journal of Applied Mechanics, vol. 75, 6, 10 pages; URL: http://link.aip.org/link/?AMJ/75/061004.

Wall, A. S., Langlois, R.G. and Afagh, F.F.; 2007; “Modelling Helicopter Blade Sailing: Dynamic Formulation in the Planar Case”; Journal of Applied Mechanics; vol.74, pp 1104-1113.

Rader, A.A., Afagh, F.F., Yousefi-Koma, A. and Zimcik, D.G.; 2007; “Optimization of Piezoelectric Actuator Configuration on a Flexible Fin for Vibration Control Using Genetic Algorithms”; Journal of Intelligent Material Systems and Structures; vol. 18, pp 1015 -1033.

Khouli, F., Langlois, R.G. and Afagh, F.F.; 2007; “Analysis of Active Closed Cross-Section Slender Beams Based on Asymptotically-Correct Thin-Wall Beam Theory”; Journal of Smart Materials and Structures, vol.16, pp 221-229

Conference Publications

Khouli, F.; Griffiths, J and Afagh, F.F.; 2009; “Nonlinear Static Analysis of Reducible Thin-Wall Active Open Cross-Section Beams Based on Generalized Vlasov Theory”; 3^rd International Conference on Integrity, Reliability and Failure-IRF 2009, Porto, Portugal.

Khouli, F.; Afagh, F.F.; Langlois, R.G.; 2009; “Control and Reduction of The Blade Sailing Phenomenon During Operation of Helicopters Using the Integral Active Twist Concept”; 8^th International Symposium on Marine Engineering- ISMEBusan 200, Busan, Korea.

Khouli, F.; Langlois, R.G. and Afagh, F.F.; 2009; “Comparison and Evaluation of the Relative Importance of Ship Motion and Ship Airwake Contributions to the Aeroelastic Response of Rotors Operating in a Mach-scaled Maritime Environment”; Canadian Association of Defence and Security Industries, Ship Control Systems Symposium, Ottawa, Canada.

Khouli, F.; Wall, A.S.; Langlois, R.G. and Afagh, F.F.; 2009; “Investigation of the Aeroelastic response of a Froude-Scaled Rotor System to Representative Ship Motion Using a 6DOF Stewart Motion Platform”; Canadian Aeronautics and Space Institute (CASI) AERO 2009 Conference, Ottawa, Canada.

Wall, A.S.; Khouli, F.; Afagh, F.F.; Langlois, R.G. and Zan, S.J.; 2008; “Modelling Helicopter Blade Sailing: Model Validation Using Experimental Data”; Proceedings of American Helicopter Society (AHS) 64th Annual Forum, Montréal, Québec, Canada; 13 pages.

Khouli, F., Wall, A.S., Langlois, R.G. and Afagh, F.F.; 2008; “Investigation of the Feasibility of a Proposed Hybrid Passive and Active Control Strategy of the Transient Aeroelastic Response of Helicopters During Shipboard Engage and Disengage Operation”; Proceedings of American Helicopter Society(AHS) 64th Annual Forum, Montréal, Québec, Canada; 20 pages.

Khouli, F., Wall, A.S., Langlois, R.G.,Afagh F.F., and Zan, S.J.; 2007; “Investigation of the Active-Twist Rotor Response of Various Rotor System Configurations during Shipboard Engagement and Disengagement Operations”; Proceedings of 18th International Conference on Adaptive Structures and Technologies, Ottawa, Canada; 12 pages.

Wall, A.S.,Zan, S.J., Langlois, R.G. and Afagh,F.F.;2007; “Modelling helicopter blade sailing:contributions from ship motion and airwake to blade dynamic response,” in Proceedings of the CASI AERO 2007 Conference, Toronto, Ontario, Canada.