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Every article tagged “Explicit dynamics”.
15 articles
How to simulate the small overlap and oblique frontal crash tests: what the IIHS, NHTSA and Euro NCAP texts specify, why the wheel and pillar load paths decide the result, where models break, and how surrogates support structure optimisation.
How airbag deployment simulation handles folding, inflator gas, fabric porosity and vents; when uniform pressure, ALE or particle gas models fit; how out-of-position cases set the method; and where machine learning helps calibration and design sweeps.
How school bus roof, body joint and seat strength are specified in FMVSS 220, 221 and 222, why bus rollover simulation differs from a car crash model, how joint and seat models are calibrated, and where machine learning helps.
How battery pack crash simulation links the crash scenario list to pack protection design: what FMVSS 305a, FMVSS 214 and UN R100 say about the mechanical tests, how vehicle, pack, module and cell models hand loads to each other, and where machine learning helps.
Roll forming simulation and ring rolling process design for line and mill engineers: edge strain and flower design, feed curves and guide rolls, why full models are slow, and where AI/ML surrogates help and where they do not.
What makes a crash simulation credible: element choice, material data at strain rate, contact definition, energy and mass-scaling checks, and correlation against test.
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