BASIC RESEARCH IN AUTOMOBILE CRASHWORTHINESS--ADDITIONAL EVALUATION OF THE ENGINE DEFLECTION CONCEPT. FINAL REPORT
THE ENGINE DEFLECTION CONCEPT AS A MECHANISM THAT COULD PROVIDE THE FULL FRONTAL COLLAPSE DISTANCE FOR ENERGY ABSORPTION DURING COLLISIONS WITH FIXED OBJECTS, WAS PREVIOUSLY INVESTIGATED, WITHIN RESEARCH IN CRASHWORTHINESS PROGRAM. AS A RESULT OF THAT INITIAL STUDY, IT WAS CONCLUDED THAT THE FULL POTENTIAL OF THE CONCEPT SHOULD BE EVALUATED IN 60 MPH FRONTAL COLLISIONS WITH FIXED OBJECTS. IN ADDITION, IT WAS RECOMMENDED THAT LIMITED EFFORT BE DIRECTED TOWARDS DETERMINING THE FEASIBILITY OF EMPLOYING A SIMPLIFIED MATHEMATICAL MODEL OF THE VEHICLE AS A TOOL TO AID IN THE ESTABLISHMENT OF SUITABLE STRUCTURAL MODIFICATIONS. BOTH OF THESE ITEMS WERE INCLUDED IN THE PRESENTLY REPORTED STUDY. TWO VEHICLES INCORPORATING THE GENERAL DESIGN CONCEPT USED IN THE PREVIOUS STUDY WERE DEVELOPED AND IMPACTED AT SPEEDS NEAR 60 MPH INTO A RIGID POLE BARRIER. RESULTS MEASURED FROM THESE TESTS WERE COMPARED WITH THOSE OBTAINED FROM A SIMILAR TEST ON A PRODUCTION (UNMODIFIED) VEHICLE. THE STRUCTURAL RESPONSES OF THE MODIFIED VEHICLES GENERALLY DEMONSTRATE MEASURABLE IMPROVEMENT OVER THOSE OF THE UNMODIFIED VEHICLE. A SIMPLIFIED ANALYTICAL MODEL, DEVELOPED BY KAMAL, WAS USED TO ESTIMATE THE EFFECTS THAT VARIOUS VEHICLE MODIFICATIONS WOULD HAVE ON THE PASSENGER COMPARTMENT RESPONSES. SIMILAR STRUCTURAL CHANGES WERE INCORPORATED INTO A MODIFIED VEHICLE. ALTHOUGH TEST DATA WERE NOT RECORDED AFTER 0.043 SEC., SIMILAR TRENDS WERE EXHIBITED BETWEEN THE ANALYTICAL MODEL PREDICTIONS AND THE EXPERIMENTAL RESULTS UP TO THE TIME OF DATA INTERRUPTION. /AUTHOR/
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Supplemental Notes:
- REPORT NO YB-2684-V-7
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Corporate Authors:
Cornell Aeronautical Laboratory
Automotive Crash Injury Research
Buffalo, NY United States -
Authors:
- MILLER, P M
- Greene, J E
- Culkowski, P M
- Publication Date: 1971-3
Media Info
- Features: Figures; References; Tables;
- Pagination: 146 p.
Subject/Index Terms
- TRT Terms: Collapse; Crashworthiness; Deflection; Energy absorption; Frontal crashes; Mathematical models; Motors
- Old TRIS Terms: Engine deflection
- Subject Areas: Highways; Safety and Human Factors;
Filing Info
- Accession Number: 00221706
- Record Type: Publication
- Source Agency: Nat Safety Council Safety Res Info Serv
- Files: TRIS
- Created Date: Aug 3 1972 12:00AM