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Every article tagged “FSI”.
9 articles
How stirred tank CFD handles power draw, blend time, dead zones and shear: MRF, sliding mesh and large-eddy simulation compared, why scale-up criteria fail, how agitator loads reach FEA, and where surrogates over impeller diameter, speed and clearance help without replacing a tracer test.
How aeroelastic analysis couples CFD loads to a structural model: conservative load transfer, jig shape versus flight shape, one-way versus two-way coupling, gust loads, flutter and its documented scatter on NASA benchmark cases, and where reduced-order models and surrogates help.
How wind turbine CFD handles the rotor, the wake and the atmosphere: blade-resolved versus actuator models, stability, blockage and terrain, what validation data exist, how loads reach blade FEA, and where surrogates help layout and yaw studies without replacing measurement.
How helicopter rotor CFD captures blade-vortex interaction, retreating-blade stall, rotor-fuselage wake and tail shake, how loose and tight CFD/CSD coupling work, what published validation studies show, and how a surrogate over a loads database is built without replacing flight test.
How heart valve simulation covers crimping, deployment into calcified non-circular roots, paravalvular leak, leaflet fatigue ranking, closure dynamics and washout, what a durability simulation can and cannot say, and how a credible model sits beside the bench tests.
How ALE blast simulation works for air blast on structures: JWL explosive and Eulerian air, Lagrangian coupling and its leakage, cell size scaled with charge mass, mapping 1D or 2D runs into 3D, a decision table against empirical loads, SPH and CFD, and surrogate-assisted sensitivity.
Why aero-only optimisation misses blade vibration, how resonance, flutter, forced response and mistuning are assessed, and where machine-learning surrogates help carry aeromechanical margins into the design loop and where they cannot.
What happens under a tyre on a wet road, how coupled CFD and FEA predict hydroplaning speed and wet grip, and how AI helps balance tread design against noise and rolling resistance.
How seakeeping and manoeuvring simulation predicts motions, slamming, added resistance in waves and manoeuvrability, which method fits which question, and how AI makes the results operational.
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