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Every article tagged “Automotive”.
17 articles
How CFD predicts downforce, drag and aero balance for race and high-performance road cars: ground effect, rolling-road and wheel boundary conditions, RANS against DES, correlation with the tunnel on open DrivAer data, and aero maps with surrogates that state their range.
How adjustable pneumatic and cable-and-plate lumbar modules carry load, why the contour at the cover is not the actuator stroke, why one setting cannot suit every body, and how a simulation workflow predicts contour, pressure and actuator load across a population of drivers.
How seat transmissibility and the SEAT value are defined, why a SEAT value below one can still amplify the frequency your road supplies, how foam, suspension and occupant apparent mass set the curve, and how a simulation workflow tests a seat before the shaker.
How seat foam hardness differs from the compression curve a model needs, how foam is calibrated from compression tests, what meat-to-metal simulation adds with the cover and frame, and how a surrogate screens foam and suspension changes without claiming to rate comfort.
How a rear impact loads the neck, what Euro NCAP, IIHS and FMVSS 202a measure, how a BioRID-type dummy model is verified and validated, and how a surrogate with a stated range tunes backset and recliner yield around your explicit solver.
How to simulate resistance spot welding: contact resistance, nugget growth, expulsion, shunting and electrode wear in steel and aluminium, the weld lobe, and the nugget and heat-affected-zone data a crash or fatigue model needs from the weld.
How Hybrid III, THOR and WorldSID finite element dummy models are validated, what rating programmes say about virtual evidence, where human body models fit beside dummies, and where machine learning helps and does not.
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.
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