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National Repository of Grey Literature 1 records found  Search took 0.02 seconds. 
Sensitivity analysis of FE model of a crash test
 Jančář, Radek ; Řehák, Kamil (referee) ; Dlugoš, Jozef (advisor)
The deformation of the vehicle as a result of the accident serves as the input for determining the impact speed for the purposes of the expert report. One possibility of calculating the impact speed is by means of a verified finite element analysis (FEA) of the vehicle impact. However, to develop such a sufficiently accurate finite element model requires a significant financial and time investment. Such a model contains a number of key simplifications that are difficult to detect without prior experience. Fortunately, there are at least a few freely available detailed finite element (FE) vehicle models that have been experimentally verified. On these it is possible to investigate the effect of different modelling methods on observed parameters such as overall deformation or overall vehicle stiffness. Specifically, this thesis investigates the effect of geometric resolution level details, material model parameters, and boundary condition settings for the FE model of the Chevrolet Silverado 1500, model year 2014.
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