Evaluation Of Main Landing Gear Strut With Metal
Matrix Composite
Student Team/ Author :
AN. Muthunagappan
Guide By :
S. Srikari, Vinod K. Banthia and S. Subbaramu
Degree :
Aircraft structures with high strength to weight ratio give advantages like less fuel consumption, increased payload, flight range and endurance, and reduced runway length. Developments in new advanced composite materials have made it possible to realise high strength to weight airframe structures. Main strut is the primary structure in the landing gear. This project was carried out to evaluate the feasibility of replacing steel strut with MMC for weight reduction through numerical simulation.
Major design parameters for landing gear of Boeing B737-800 were calculated using conceptual design method and were compared with original picture's dimensions. Detailed sketch tracing of original pictures were done to get the dimensions of main landing gear and was modeled using CATIA. Numerical study was carried out on the existing landing gear to examine the main landing gear stress during one gear hard landing condition using ANSYS. Numerical study was carried out on the same landing gear by replacing the main strut material with titanium alloy. Different laminate sequences such as [0/90/0
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