LINCAPLateral Impact New Car Assessment Program
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Since the progression of air leakage has been presented and discussed in details for the IIHS side MDB and LINCAP tests at 31 mph [13.86 mm/ms] and 38.5 mph [17.21 mm/ms] respectively, it is not repeated again in this test condition.
The overall pressure response predicted for this test at 23 mph [10.28 mm/ms] is lower than that of the one discussed previously for LINCAP test at 38.5 mph [17.21 mm/ms].
The IIHS side and LINCAP models are slightly larger than the side pole model due to the IIHS and LINCAP MDB carts which require more solid, shell and beam elements to represent.
With 32 MPP processors, a typical side pole simulation would take eleven hours to finish while IIHS side and LINCAP side would take fifteen hours and nine hours respectively.
Among the three side impact modes studied, it can be concluded that the LINCAP was the most stable one while the IIHS side being the least stable one from the numerical stability perspective.
Although the LINCAP test creates the most severe deformation on the door structure in terms of volume change but is usually more uniform and occurs at the lower portion of the door which has less impact on the dummy.
Based on the results obtained from this study, the IIHS side impact simulation is the least stable and the LINCAP simulation is the most stable among the three side impact modes chosen.
As discussed in details, the method can be used to predict the pressure sensor responses for all side impact modes, including the oblique pole, IIHS side MDB, and LINCAP. It was also demonstrated that once the air leakage is calibrated, the full vehicle model can be used to predict the pressure sensor responses and reduce prototype testing.
LINCAP - (Lateral Impact New Car Assessment Program)