LANDING GEAR COMPONENT DESIGN VERIFICATION AND DURABILITY DETERMINATION

THIS PROPOSAL AIMS TO EXPLORE A NOVEL OPTICAL APPROACH FOR FULL-FIELD STRAIN MEASUREMENT AND DESIGN VERIFICATION OF LOAD-RESISTING MEMBERS SUCH AS LANDING GEAR COMPONENTS. THIS NEW TECHNIQUE, REFERRED TO AS SHEAROGRAPHY, IS EQUIVALENT TO A FULL-FIELD STRAIN GAGE PERMITTING MEASUREMENT OF STRAIN DISTRIBUTION OVER A LARGE AREA. THE TECHNIQUE DOES NOT REQUIRE INSTALLING GAGES, AND IT IS FAST, PRECISE AND NON-CONTACTING. UNLIKE HOLOGRAPHIC INTERFEROMETRY, SHEAROGRAPHY DOES NOT REQUIRE SPECIAL VIBRATION ISOLATION, AND THEREFORE IT IS APPLICABLE IN A FIELD/PRODUCTION ENVIRONMENT. THE PROPOSED INVESTIGATION WILL FOCUS ON A FEASIBILITY STUDY.