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Every article tagged “Surrogate models”.
91 articles
How eVTOL noise simulation works: rotor tones and broadband sound, interaction sources, the FW-H analogy on CFD, what regulators ask for, the cabin path, and where AI helps and does not.
What EASA SC-VTOL and the FAA ask for in an eVTOL emergency landing, why composite airframes with battery packs differ from helicopters, and how validated explicit models and surrogates support the test programme.
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.
How cold forging simulation predicts die stress, tool fracture, workpiece cracking and dimensional error across forming stages, and how a calibrated die-set workflow keeps those answers repeatable.
Hot forging simulation predicts fill, press load, laps and die life before a die is cut. Flow stress and friction calibration, wear and heat checking, preform design, grain size, and where AI/ML helps.
How hot stamping simulation predicts martensite fraction, hardness, distortion and cycle time for 22MnB5 press-hardened parts, why the interface heat transfer coefficient decides the answer, and where AI helps and does not.
Springback compensation reshapes the die so the part relaxes onto the drawing. How the mechanism works, why stamping simulation misses it, what an FLC leaves out, and where AI/ML helps.
How thermal comfort CFD works for vehicle cabins: the cabin heat balance, mixed convection and radiation, defog, PMV and ISO 14505 limits, validation against manikin tests, and where AI helps HVAC design.
Thermomechanical fatigue simulation predicts where start-stop cycles crack hot components. The physics of thermal stress, how CFD heat transfer sets the metal temperature, in-phase and out-of-phase cycles, and where AI/ML helps.
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