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Simulation of Rollover with a Dynamic Roof Crush Test
ISSN: 0148-7191, e-ISSN: 2688-3627
Published February 01, 1972 by SAE International in United States
Annotation ability available
Tests to simulate rollovers are currently very often criticized because of the nonreproducibility of the tests and their results. There are test procedures that attempt to simulate vehicle rollovers, for example, rollovers initiated by a ramp, rollovers initiated by inertial movement of a vehicle positioned on a slope on a car which is stopped rapidly, drop test of upside-down vehicle, and static roof crush test. In addition, another test procedure is used by Volkswagen. A flat impact plate equal to the empty weight of the vehicle is dropped from a defined height onto the roof of the vehicle. The vehicle can be mounted on a bed at various angles relative to the impact plate. The results with this simple test method provide a comparative scale for roof rigidity rather than an absolute comparison with dynamic vehicle rollover roof rigidity.
Besides the problems of conducting reproducible tests to simulate the deformation during rollovers, the problem of definition and evaluation of survival space is described. Based on the definitions that exist today, the paper concludes that it is impossible to define a fixed survival space for assessing the behavior of vehicle roofs during rollover simulation tests.
CitationSeiffert, U., "Simulation of Rollover with a Dynamic Roof Crush Test," SAE Technical Paper 720226, 1972, https://doi.org/10.4271/720226.
- Klove E.H. and Ropers G.W., “Roof and Windshield Header Construction.” Paper 690069 presented at SAE Automotive Engineering Congress, Detroit, January 1969.
- SAE Recommended Practice, Roll-over Tests Without Collision-SAE J857a, SAE Handbook.
- SAE Recommended Practice, Inverted Vehicle Drop Test Procedure-SAE J996, SAE Handbook.
- SAE Recommended Practice, Passenger Car Roof Crush Test Procedure-SAE J374, SAE Handbook
- Franchini E., “The Crash Survival Space.” Paper 690005 presented at SAE Automotive Engineering Congress, Detroit, January 1969.