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SkillsMP has collected 647 skills from MP-AI-20/mechanical-engineering-skills. Open a skill to review its source and details.
MP-AI-20/mechanical-engineering-skillsShowing 40 of 647 collected skills.
Erosive wear — solid particle erosion, slurry erosion, liquid impingement, Finnie/Bitter models, erosion angle dependence (ductile vs. brittle), material selection, ASTM G76/G73, protection strategies.
Evaporative cooling — direct/indirect/two-stage evaporative coolers, wet bulb temperature, cooling effectiveness, water consumption, Mollier chart analysis, ASHRAE 55 comfort, desert climate cooling, data center economizer.
Evaporator design — single-effect/multiple-effect, steam economy, boiling point rise, Dühring's rule, NTU-effectiveness, fouling factors, falling film vs. forced circulation, ASTM/TEMA standards, concentration ratio.
Event tree analysis (ETA) — initiating event, safety function sequences, event tree construction, conditional probabilities, end state frequencies, integration with FTA, LOPA, IEC 61511, process safety.
Exergy (availability) analysis — exergy of heat/work/streams, exergy destruction, second-law efficiency, exergy balance, pinch analysis, Gouy-Stodola theorem.
Exhaust system design — backpressure, acoustic tuning, catalyst/muffler sizing, thermal design, material selection (304SS/Inconel), durability, SAE J1814, OEM aftertreatment integration, noise insertion loss.
Expansion joints — bellows design, axial/lateral/angular movements, spring rate, pressure thrust force, tie-rods, fabric joints, anchor forces, EJMA standards, thermal piping expansion accommodation, vibration isolation.
Explosion protection — ATEX zones, Ex-d/e/i/p/m classification, minimum ignition energy, deflagration index K_st, NFPA 68 venting, NFPA 69 suppression, IEC 60079 series.
Extension spring design — initial tension, hook stress, rate calculation, extended length, fatigue, material selection, ASME tolerances.
Extrusion processes — direct/indirect metal extrusion (Bilker-Hankel theory, extrusion ratio R, press force), die design (die angle, bearing length, die material), polymer screw extrusion (screw geometry, melt zone analysis, pressure buildup, extrudate…
Face seal design — mechanical face seal, contact pressure, PV limit, fluid film, seal face materials (SiC/carbon/tungsten carbide), leakage rate, API 682, seal flush plans, dual seal, balanced vs. unbalanced.
Systematic failure mode analysis — given geometry and loading, identify ALL possible failure modes ranked by criticality. Covers static, fatigue, buckling, wear, corrosion, creep, fracture. Like FMEA but for a single component.
Failure rate analysis — constant/increasing/decreasing hazard, MTBF/MTTF/MTTR, exponential/Weibull failure models, MIL-HDBK-217, Telcordia SR-332, FIDES, electronic component reliability.
Complete fatigue life analysis — S-N curve, endurance limit, stress concentration, Goodman/Gerber/Morrow/SWT criteria, cycle life estimation, variable amplitude (Miner's rule), multiaxial fatigue.
Fatigue testing — S-N curve generation (ASTM E466/E468), staircase method, strain-life (ASTM E606), load spectrum testing, Miner's rule validation, crack growth (ASTM E647).
Fatigue of welded joints — IIW recommendations, FAT classes, hot spot stress method, effective notch stress, structural stress (Battelle), S-N curves for welds, weld detail selection.
Fault tree analysis (FTA) — top-down failure deduction, Boolean logic, minimal cut sets, probability calculation, qualitative and quantitative FTA, IEC 61025, MIL-STD-1629.
FEA in biomechanics — bone/implant modeling, material nonlinearity, contact at interfaces, fatigue in implants, FDA/ISO 10993, verification/validation, CT-based geometry, physiological loading, ASTM F2996.
FEA buckling analysis — linear eigenvalue buckling, nonlinear (RIKS arc-length), imperfection sensitivity, post-buckling, shell/plate buckling, load factors, geometric nonlinearity, ABAQUS/ANSYS method.
FEA for composite structures — laminate FEA, shell element formulations, progressive failure analysis, cohesive zone models (CZM), virtual crack closure (VCCT), interlaminar stresses, damage modeling.
FEA contact mechanics — contact algorithms (penalty, Lagrange, augmented Lagrange), Hertz validation, friction models, contact convergence, ABAQUS/ANSYS contact settings, press-fit, gasket contact, mesh requirements.
FEA dynamics — modal analysis (Block Lanczos, DDAM), harmonic response, transient dynamics, random vibration (PSD), response spectrum, pre-stressed modal, fatigue from FEA.
FEA fatigue analysis — stress-life (S-N), strain-life (ε-N), critical plane approaches, rainflow counting, Miner's rule, Goodman mean stress correction, FE-SAFE/nCode integration, multiaxial fatigue, notch effects.
Fluid-structure interaction (FSI) FEA — ALE formulation, added mass, one-way vs. two-way coupling, vortex-induced vibration, hydroelastic flutter, aeroelastic divergence, ABAQUS/ANSYS/OpenFOAM coupling, pressure mapping.
FEA fracture mechanics — singular crack-tip elements, J-integral domain method, SIF from FEA (K_I/K_II/K_III), VCCT, cohesive zone model, contour integral ABAQUS/ANSYS.
Finite Element Analysis fundamentals — element types, stiffness matrix, shape functions, assembly, boundary conditions, solver types, convergence, error estimation, verification & validation.
FEA meshing strategy — mesh quality metrics (aspect ratio, skewness, Jacobian), mesh density rules, singularities, contact meshing, submodeling, adaptive refinement.
Nonlinear FEA — geometric nonlinearity (large deformation), material nonlinearity (plasticity, hyperelasticity), contact mechanics, Newton-Raphson convergence, arc length method.
FEA random vibration analysis — PSD input, modal superposition, response PSD, RMS stress, Dirlik fatigue, ASTM E1049, MIL-STD-810, electronic packaging vibration qualification.
Extended surface (fin) heat transfer — fin efficiency, fin effectiveness, optimal fin dimensions, annular fins, spine fins, fin arrays, overall surface efficiency for heat exchangers.
Fire suppression systems — sprinkler design (NFPA 13), clean agent (FM-200/Novec 1230/CO₂), foam suppression (NFPA 11), water mist (NFPA 750), hydraulic calculations, hazard classification, pipe sizing, storage requirements.
Fired heater and furnace field troubleshooting — tube failures (hot spots, overheating, creep, carburization, sulfidation, oxidation), refractory failures (spalling, cracking, hot face erosion, anchor failure), burner issues (flame impingement, incomplete…
Flange and gasket field troubleshooting — gasket seating stress (m and y factors, ASME Appendix 2), bolt load relaxation (creep, thermal cycling, bolt scatter), improper bolt tightening (hot bolting, torquing sequence, hydraulic tensioning), flange rotation…
Flexible coupling design — jaw/disc/gear/elastomeric couplings, torsional stiffness, misalignment capacity, service factor, peak torque, AGMA 9002, coupling selection by drive type, balancing, critical speed interaction.
Flow boiling heat transfer — flow regimes (bubbly/slug/annular), Chen correlation, Shah chart, critical heat flux (CHF), flow patterns, boiling crisis, microchannel boiling, two-phase multiplier.
Flow-induced vibration (FIV) — vortex-induced vibration (VIV), acoustic resonance, Strouhal number, Connors equation, tube bundle fluidelastic instability, ASME STS-1, lock-in avoidance, heat exchanger tubing, piping vibration.
Flow measurement devices — orifice plate, venturi, nozzle, V-notch weir, Coriolis, magnetic, ultrasonic, rotameter. Discharge coefficients, ISO 5167, uncertainty.
Flow noise and aeroacoustics — Lighthill's acoustic analogy, turbulent jet noise, valve/orifice noise (IEC 60534-8), duct noise, aerodynamic noise sources, octave band spectra, noise prediction, attenuation, OSHA limits.
Flue gas desulfurization (FGD) — wet limestone scrubbing, SO2 removal efficiency, L/G ratio, spray tower sizing, gypsum byproduct, dry/semi-dry FGD, EPA MATS limits, forced oxidation.
Fluid coupling and torque converter design — slip characteristics, stall torque, efficiency, Föttinger principle, torque multiplication (torque converter), fill level control, power loss, heat dissipation, VOITH/Rexnord selection.