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SkillsMP a collecté 647 skills depuis MP-AI-20/mechanical-engineering-skills. Ouvrez un skill pour examiner sa source et ses détails.
MP-AI-20/mechanical-engineering-skillsAffichage de 40 skills collectés sur 647.
Ship resistance and propulsion — total resistance components (friction, wave, form, appendage, air), Froude number, Frictional resistance (ITTC-1957 Cf, form factor 1+k), wave resistance (Michell-Hogner thin ship, Kelvin wave pattern), model testing (Froude…
Langue du texte source : anglais
Ship stability — metacentric height GM (initial stability), righting lever GZ curves (large angle stability), Archimedes' principle and displacement, free surface effect (FSE), wall-sided formula, cross curves of stability, IMO intact stability criteria (IS…
Langue du texte source : anglais
Ship structures — longitudinal strength (hull girder bending), section modulus, wave bending moment, local strength, classification society rules (DNV, ABS, LR), fatigue, corrosion allowance.
Langue du texte source : anglais
Shock and impact — impact factor, strain rate effects, energy methods for impact stress, DBTT, Charpy/Izod testing, drop weight, shock spectrum, fragility.
Langue du texte source : anglais
Advanced shot peening — Almen intensity (A, N, C strips), peening coverage (Avrami equation), compressive residual stress depth profile (X-ray diffraction), peening-induced work hardening, controlled shot peening (CSP) vs. laser shock peening (LSP), peen…
Langue du texte source : anglais
Engineering signal processing — FFT, windowing, aliasing, filtering (FIR/IIR), PSD, coherence, cross-correlation, order tracking, envelope analysis, digital signal conditioning.
Langue du texte source : anglais
Silencer/muffler design — reactive (expansion chamber, Helmholtz, side-branch) and dissipative (lined duct) types, transmission loss TL, insertion loss IL, back-pressure, engine exhaust.
Langue du texte source : anglais
Silo and hopper design — Janssen wall loads, Reimbert, hopper flow modes (mass flow/funnel flow), critical outlet, arching, EN 1991-4, AS 3774, bin activators.
Langue du texte source : anglais
Six Sigma methodology — DMAIC (Define, Measure, Analyze, Improve, Control), process capability indices (Cp, Cpk, Ppk), Gage R&R measurement system analysis (% study variation, number of distinct categories), hypothesis testing (t-test, ANOVA, chi-square), DOE…
Langue du texte source : anglais
Sliding mode control (SMC) — sliding surface design (relative degree, manifold s=0), equivalent control, reaching law (constant rate, power rate, exponential), chattering reduction (boundary layer, super-twisting algorithm), higher-order SMC (HOSM), Lyapunov…
Langue du texte source : anglais
Smart composites — embedded sensors/actuators, SHM with Lamb waves, piezoelectric PZT/MFC, shape memory alloy actuation, embedded fiber optic (FBG), self-healing composites, electro-active polymers.
Langue du texte source : anglais
Snap-fit design — cantilever snap (deflection, strain, mating force), annular snap (ring snap), torsional snap, permissible strain by polymer (semi-crystalline vs. amorphous), undercut geometry, mold release requirements (draft, side actions), assembly force…
Langue du texte source : anglais
Soft tissue biomechanics — hyperelastic models (Fung exponential, Holzapfel-Gasser-Ogden anisotropic, Mooney-Rivlin), viscoelasticity (quasi-linear viscoelastic model, Prony series), failure criteria (tissue toughness, ultimate stress), tendon, ligament,…
Langue du texte source : anglais
Solar thermal systems — flat plate collector (Hottel-Whillier model, FR, UL, FRUL), evacuated tube collectors, concentrating solar power (parabolic trough, Fresnel, heliostat/tower, dish-Stirling), optical efficiency, concentration ratio, working fluids…
Langue du texte source : anglais
Solidification simulation — Stefan problem, enthalpy method, Scheil equation for microsegregation, dendrite arm spacing (PDAS/SDAS), hot tearing criterion (Rappaz-Drezet-Gremaud), shrinkage porosity (Niyama criterion), phase field modeling, CALPHAD…
Langue du texte source : anglais
Spacecraft thermal control — radiation heat balance (solar flux, albedo, Earth IR), radiator sizing (Stefan-Boltzmann), multi-layer insulation (MLI) effective emittance, heater sizing, heat pipe (variable conductance VCHP), optical properties (α/ε ratio for…
Langue du texte source : anglais
Specific impulse (Isp) calculation and optimization — thermochemical equilibrium (NASA CEA, Gordon-McBride), frozen vs. shifting equilibrium, characteristic velocity c*, thrust coefficient CF, delivered Isp vs. ideal, combustion efficiency factors (mixing,…
Langue du texte source : anglais
Spherical roller bearing (SRB) design and selection — radial and axial load capacity, dynamic load rating C, static load rating C0, equivalent dynamic load P (combined radial Fr + axial Fa), ISO 281 L10 life calculation, modified rating life Lnm (ISO…
Langue du texte source : anglais
Metal spinning and flow forming — conventional spinning (manual and CNC), shear spinning (Sine rule, wall thickness), flow forming (tube and disc), material formability (spinnability rating), roller force and power, wrinkling and cracking failure modes,…
Langue du texte source : anglais
Spray cooling heat transfer — spray impact regime (single droplet, dense spray), heat transfer coefficient correlations (Mudawar-Deiters, Rybicki-Mudawar), critical heat flux (CHF) for spray cooling, nozzle spray characteristics (flow rate, drop size, spray…
Langue du texte source : anglais
Spring buckling analysis — critical free length to diameter ratio for coil springs (Haringx vs. Euler column analogy), buckling modes (lateral, tilting), slenderness ratio L_0/D, fixed vs. pivoted end conditions, buckling in compression springs, deflection at…
Langue du texte source : anglais
Complete spring design — helical compression/tension/torsion, leaf springs, Belleville washers. Wahl factor, fatigue, buckling, natural frequency, clash allowance, material selection.
Langue du texte source : anglais
Spring fatigue design — Wahl stress correction factor, mean and alternating shear stress, Goodman-Zimmerli diagram for springs, modified Goodman for helical springs, corrected endurance limit (Zimmerli data for spring wire), set removal (presetting), shot…
Langue du texte source : anglais
Spring material selection and properties — ASTM wire grades (A228 music wire, A227 hard drawn, A232 Cr-V, A401 Cr-Si, A313 stainless, A555 phosphor bronze, B197 beryllium copper), tensile strength vs. wire diameter, shear modulus G, elastic modulus E,…
Langue du texte source : anglais
Stainless steel grades — austenitic (304/316/317), ferritic, martensitic, duplex, PH grades, mechanical properties, corrosion resistance, weldability, applications.
Langue du texte source : anglais
State-space control — pole placement, LQR optimal control, Kalman filter observer, controllability/observability, separation principle, MATLAB design, gain scheduling, LPV systems.
Langue du texte source : anglais
Statistical tolerancing — worst-case vs. RSS (root sum of squares) tolerancing, normal distribution tolerancing, process capability (Cp, Cpk), Six Sigma tolerance design, Monte Carlo simulation for tolerance stackup, assembly tolerance loops, mean shift…
Langue du texte source : anglais
Steel designation lookup — AISI/SAE system, ASTM designations, heat treatment conditions, mechanical properties, hardness-strength conversions, international equivalents.
Langue du texte source : anglais
Structural steel design — AISC 360 LRFD/ASD, member selection (W-shapes, HSS, channels), axial compression (λ, Fcr, KL/r slenderness), beam bending (Lb unbraced length, Cb, Lp, Lr, lateral-torsional buckling), combined loading (H1-1a/b interaction),…
Langue du texte source : anglais
Automotive steering system design — Ackermann geometry, steering ratio, rack-and-pinion sizing, power steering (hydraulic EPS vs. EHPS), column and intermediate shaft design, toe, caster, camber, kingpin inclination, scrub radius, steering effort (road feel),…
Langue du texte source : anglais
Stirling engine thermodynamics — Stirling cycle (isothermal expansion/compression, isochoric regeneration), ideal cycle efficiency (Carnot), Schmidt analysis (practical closed-form), regenerator effectiveness and NTU method, displacer/piston kinematics…
Langue du texte source : anglais
Atmospheric and pressure storage tank design — API 650 (vertical welded tanks), API 620 (large welded low-pressure tanks), API 653 (inspection), shell ring design (hydrostatic pressure, wind load, seismic), floating roof vs. fixed roof, vent sizing (API…
Langue du texte source : anglais
Strain gauge measurement — gauge factor, Wheatstone bridge, rosette analysis, temperature compensation, principal strains, residual stress measurement, signal conditioning.
Langue du texte source : anglais
Strain gauge rosette analysis — rectangular rosette (0-45-90°), delta rosette (0-60-120°), principal strains and stresses from rosette readings, Mohr's circle for strain, principal angle calculation, residual stress measurement (hole drilling ASTM E837),…
Langue du texte source : anglais
Stress concentration factors Kt and Kf — Peterson charts, notch sensitivity, Neuber rule for plastic correction, fatigue notch factor, common geometry tables.
Langue du texte source : anglais
Stress intensity factor (SIF) — Mode I/II/III K_I/K_II/K_III, Irwin K-G relationship, SIF for common geometries (edge crack, central crack, surface crack, corner crack), stress intensity correction factors (F-functions, finite width correction), superposition…
Langue du texte source : anglais
Complete structural analysis — bending, axial, shear, torsion, combined loading, all failure modes, factor of safety. Shigley/Hibbeler depth. Triggers when user asks about stress, strain, structural loading, or "will this break".
Langue du texte source : anglais
Structural field troubleshooting — fatigue cracking (detail categories, stress range, crack growth Paris law), anchor bolt failures (pull-out, shear, prying, inadequate embedment, ACI 318 Chapter 17), foundation problems (differential settlement, bearing…
Langue du texte source : anglais
Structural health monitoring (SHM) — damage detection methods (Lamb waves, AE, strain, modal), sensor networks, damage indices, guided wave propagation, PZT transducers, aerospace/civil SHM.
Langue du texte source : anglais
Structural testing — proof load, static load test, load application methods, strain gauge rosettes, load measurement, test-analysis correlation, qualification testing, scale models.
Langue du texte source : anglais