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Every article tagged “FEA”.
27 articles
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 flexible multibody dynamics couples MBD with FEA through Craig-Bampton reduction, interface and contact loads and stress recovery, so machinery fatigue is judged on loads the part really sees.
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.
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.
Neural operators, PINNs, reduced-order models and Gaussian processes compared, then the validation machinery that makes any of them usable: design of experiments, hold-out by region, residual checks, conformal intervals and a governed loop with the solver.
How additive manufacturing simulation predicts distortion and residual stress in laser powder bed fusion, which model fits which question, and where calibration, surrogates and AI/ML help or fall short.
What acoustic-induced and flow-induced vibration are, how Energy Institute screening works, and how CFD, FEA and fatigue assessment confirm the risk and design the mitigation.
When machine-learning surrogate models are worth building for CFD and FEA, how to train and validate them, and how physics-informed methods and uncertainty estimates keep them honest.
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