NON LINEAR BUCKLING ANALYSIS OF LAMINATED COMPOSITE TWISTED PLATES A THESIS SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF Master of Technology in Structural Engineering Submitted By S. VARA PRASANTH Roll No. : 212CE2045 M.Tech (Structural Engineering) Department of Civil Engineering, National Institute of Technology Rourkela- 769008 MAY 2014