TY - JFULL AU - Thomas Jin-Chee Liu and Jin-Wei Liang and Wei-Long Chen and Teng-Hui Chen PY - 2014/2/ TI - Finite Element Analysis of Composite Frames in Wheelchair under Upward Loading T2 - International Journal of Mechanical and Mechatronics Engineering SP - 1 EP - 7 VL - 8 SN - 1307-6892 UR - https://publications.waset.org/pdf/9996990 PU - World Academy of Science, Engineering and Technology NX - Open Science Index 85, 2014 N2 - The finite element analysis is adopted in this primary study. Using the Tsai-Wu criterion and delamination criterion, the stacking sequence [45/04/-454/904]s is the final optimal design for the wheelchair frame. On the contrary, the uni-directional laminates, i.e. [9013]s, [4513]s and [-4513]s, are bad designs due to the higher failure indexes. ER -