Buckling analysis of grid stiffened composite structures

ii ACKNOWLEDGEMENTS I would first like to thank my parents, B/G Kidane Teklu and W/o Tsegaberhan Sebhatu as well as my sisters Eden Kidane and Nardos Kidane for their unconditional love and constant support throughout my studies. I owe all my achievements to them. I would also like to express my sincere gratitude to my major professor Dr. Eyassu Woldesenbet for his advice and guidance throughout this research project. My gratitude also goes to my committee members Dr. their sincere advice and encouragement. Special thanks goes to Dr. Guoqiang Li for dedicating so much time to helping me with my research and making the timely completion of my thesis possible. In addition, I would like to thank Rajesh Krithivasan for helping me with my finite elements and ANSYS queries. Much thanks also goes out to Nik hil Gupta from whom I learned so much. I would like to thank Sarah Benoit and all my friends who stood by me and offered their support in every way.

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