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Engineering blog
How we model composites, crashes, flows and heat, and where machine learning earns its place in the loop. Written by the engineers who run the projects.
How drone aerodynamics simulation handles propeller thrust maps, propeller-airframe interaction, ground effect, gusts and low-Reynolds-number wings, when a rotating reference frame is enough, where learned residual models help flight dynamics, and what simulation leaves to flight test and the authority.
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 MRI radiofrequency fields heat implants and leads, why length, route and landmark matter, how ASTM F2182 and ISO/TS 10974 frame the evidence, how EMC coupling into powered devices is simulated, and where surrogates help without replacing the physics.
How a spring-driven autoinjector and a prefilled syringe load each other: drive force, stopper break-loose and glide, viscous flow through a thin needle, impact on the glass and seal contact. What a model reports, how it is validated for a stated use, and how a surrogate screens choices.
How dental implant simulation models abutment screw preload and tension-side opening, bone density and micromotion under immediate loading, jaw fixation plates and planning tools, what the ISO 14801 scope supports, and where a surrogate helps.
How orthopedic implant simulation handles hip stem fatigue, stress shielding and micromotion, what ASTM F2996 and ISO 7206-4 say about finite element models and worst-case size, how porous lattices and CT bone models change the model, and where a surrogate helps.
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 stent finite element analysis follows a stent through crimping, release into the vessel and pulsatile loading, why nitinol needs a strain-based fatigue view, what the model cannot see, and how a surrogate-assisted workflow explores the design space without replacing the durability test.
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.
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