MP-AI-20/mechanical-engineering-skills - Page 10

material-selector

Engineering material selection — steel grades, aluminum alloys, polymers, composites, ceramics. Ashby charts, property indices, failure mode matching, cost, machinability, weldability, corrosion.

material-testing

Material testing — tensile testing (ASTM E8), hardness (Brinell/Rockwell/Vickers), Charpy impact, creep testing, fracture toughness KIC, fatigue S-N curve generation, DIC.

mbse-tools

Model-Based Systems Engineering (MBSE) tools — SysML language (blocks, activity, sequence, requirements diagrams), Cameo/MagicDraw, Rhapsody, Enterprise Architect, model verification, requirement traceability, INCOSE SE handbook, NASA MBSE initiatives,…

mechanical-seal

Mechanical face seals — seal components, balance ratio, closing/opening forces, PV limit, seal selection (API 682), flush plans, dual seals, material pairs.

mechanism-design

Mechanism design — four-bar linkage, slider-crank, Grashof condition, velocity/acceleration analysis (graphical & analytical), instant center, kinematic synthesis, degrees of freedom.

mechbrain

Universal mechanical engineering knowledge chatbot — routes any ME question to the correct skill, searches the Obsidian vault for context, cites vault notes and standards, generates theory for MechCodex calculators, troubleshoots field issues, answers design…

medical-device-fatigue

Medical device fatigue design — cardiovascular implants (stents, heart valves), cyclic load environments, accelerated fatigue testing, ISO 25539/ISO 5840, Goodman mean stress correction, Haigh diagram for NiTi/CoCrMo, physio-mechanical loads (cardiac cycle,…

metal-forming

Metal forming — forming limit diagram (FLD), springback, deep drawing, rolling, extrusion, forging, sheet metal bending, blank development, press tonnage.

metamaterials-mechanical

Mechanical metamaterials — auxetic structures (negative Poisson's ratio), pentamode materials, acoustic metamaterials (locally resonant), bandgap engineering, elastic wave propagation, negative stiffness, origami/kirigami mechanisms, lattice topology (octet,…

metrology

Engineering metrology — CMM measurement, GD&T verification, measurement uncertainty (GUM), gauge R&R (MSA), calibration hierarchy, surface texture measurement, coordinate systems.

microfluidics

Microfluidics — low Reynolds number flow (Re << 1, Stokes flow), capillary number, Hele-Shaw flow, electroosmotic flow (zeta potential, Debye length), pressure-driven Poiseuille flow in microchannels, droplet microfluidics (T-junction, flow-focusing),…

milling-operations

Milling operations — peripheral and face milling, chip load, MRR, cutting forces, tool life, climb vs conventional, end mill selection, high-speed machining, chatter stability.

modal-analysis

Modal analysis — SDOF/MDOF modal parameters, mode shape visualization, FRF curve fitting, model correlation (MAC/COMAC), structural dynamic modification, experimental vs FEA correlation.

model-predictive-control

Model Predictive Control (MPC) — prediction horizon, control horizon, cost function, QP optimization, constraints handling, linear vs. nonlinear MPC, economic MPC, state estimation, offset-free MPC, MIMO applications, process control (distillation, reactor),…

monte-carlo-tolerance

Monte Carlo tolerance analysis — statistical vs. worst-case tolerancing, process capability (Cp/Cpk), GD&T tolerance stacks, simulation setup (N iterations, distributions), probability of assembly failure, RSS method, ANOVA-based sensitivity, Six Sigma…

mooring-systems

Mooring systems — catenary vs. taut-leg, chain/wire/polyester properties, stiffness, pretension, watch circle, extreme load analysis, API RP 2SK, ISO 19901-7, MODU mooring.

muffler-design

Automotive muffler design — expansion chambers, perforated tubes, fibrous packing, transmission loss, back pressure, engine noise frequencies, resonator design, dual-path mufflers, SAE J1169.

multi-objective-optimization

Multi-objective optimization — Pareto front, dominance, NSGA-II, MOEA/D, weighted sum method, epsilon-constraint, scalarization, design space exploration, surrogate models (kriging, response surface), hypervolume indicator, design of experiments (LHS, Sobol),…

multibody-dynamics

Multibody dynamics — Newton-Euler equations, Lagrangian mechanics, generalized coordinates, constraint equations, DAE systems, rigid body kinematics, MBD software (Adams, Simpack, Modelica).

multiphase-cfd

Multiphase CFD — VOF (Volume of Fluid), level set, Euler-Euler, Euler-Lagrange, bubble columns, cavitation (Schnerr-Sauer, Zwart model), droplet breakup (TAB, KH-RT), fluidized beds, drift-flux model, ANSYS Fluent/CFX setup, phase interaction forces (drag,…

multiscale-modeling

Multiscale modeling — length scales (nano to macro), molecular dynamics (LAMMPS), DFT (VASP/Quantum ESPRESSO), representative volume element (RVE), homogenization, concurrent vs. hierarchical coupling, FEA-MD coupling (Quasicontinuum), crystal plasticity…

natural-frequency

Vibration analysis — natural frequency (SDOF/MDOF), damping ratio, forced response, resonance, Dunkerley, Rayleigh-Ritz, modal analysis, transmissibility, vibration isolation.

ndt-methods

Non-Destructive Testing — UT (A/B/C-scan, PAUT, TOFD), RT, MT, PT, ET, VT, AE, thermography. Flaw detection limits, code requirements (AWS D1.1, ASME V, API 1104).

needle-bearing

Needle roller bearings — geometry (Fw, Fw/Dw ratio), load ratings (dynamic C and static C0), bearing selection (ISO 76/281), drawn cup vs. machined ring types, combined radial-axial loading, cage vs. full complement design, lubrication requirements, shaft and…

nickel-superalloys

Nickel superalloys — Inconel, Waspaloy, Hastelloy, René alloys; high-temperature properties, creep, oxidation, coating systems, gas turbine applications, processing.

nitriding

Nitriding surface hardening — gas nitriding (Lehrer diagram, Kn control), plasma/ion nitriding, nitrocarburizing, compound layer (ε/γ' phases), diffusion zone hardness profiles, case depth definitions (effective/total), AMS 2759/10, steel grade selection…

noise-barrier

Noise barriers and acoustic enclosures — transmission loss (TL), mass law, coincidence frequency, sound insertion loss (IL), barrier diffraction (Maekawa formula), OSHA noise exposure limits, ANSI S12.19, highway noise barrier design (FHWA), acoustic…

noise-vibration-harshness

NVH (Noise, Vibration, Harshness) — NVH metrics, transfer path analysis (TPA), panel contribution analysis, NVH simulation (SEA, FEA, BEM), sound quality, acoustic materials, vehicle NVH.

nonlinear-vibration

Nonlinear vibration — Duffing oscillator (hardening/softening), jump phenomena, backbone curves, multiple scales method, harmonic balance, Melnikov criterion for chaos, van der Pol oscillator, parametric excitation (Mathieu equation), nonlinear normal modes…

nozzle-design

Nozzle design — convergent-divergent (De Laval) theory, isentropic relations, area-Mach relation, design Mach number, shock in nozzle (normal shock), thrust coefficient (C_F), specific impulse (I_sp), nozzle efficiency (ηn), bell nozzle vs. conical, method of…

nuclear-codes-asme

ASME nuclear codes — Boiler and Pressure Vessel Code (BPVC) Section III (nuclear components), Class 1/2/3 classification, NB/NC/ND design rules, design by analysis (DBA), stress categories (primary/secondary/peak), fatigue evaluation (ASME III NB-3200),…

nuclear-fatigue

Nuclear fatigue — ASME Section III NB-3222.4 fatigue evaluation, design fatigue curves (air vs. water environment), environmentally-assisted fatigue (EAF) NUREG/CR-6909, cumulative usage factor (CUF), Fen correction, simplified elastic-plastic analysis (K_e),…

nuclear-materials

Nuclear materials — radiation damage (DPA, void swelling, embrittlement), reactor-grade steels (SA-508, 9Cr-1Mo), Zircaloy cladding, ASME Section III, hafnium, beryllium, tritium breeding.

nuclear-pressure-vessel

Nuclear reactor pressure vessel (RPV) — design (ASME III NB-3200), material SA-508 Gr. 3 / SA-533 Gr. B, radiation embrittlement (RT_NDT shift, RTNPTS), pressure-temperature (P-T) limits (ASME III Appendix G), surveillance capsules (10 CFR 50 App. H),…

nucleate-boiling

Nucleate boiling — pool boiling curve (Nukiyama), incipience superheat, heat transfer correlations (Rohsenow, Chen, Forster-Zuber), critical heat flux (CHF, Lienhard-Dhir correlation), flow boiling (Bergles-Rohsenow), two-phase flow regimes…

o-ring-design

O-ring seals — groove design, squeeze, stretch, compression set, material selection, static/dynamic applications, Parker handbook, pressure limits, AS568 sizes.

ocean-wave-loads

Ocean wave load analysis — linear wave theory, Morison equation, diffraction (large structures), irregular sea state (JONSWAP, Pierson-Moskowitz), response spectrum, fatigue, API RP 2A.

offshore-marine

Offshore and marine engineering — Morison equation, wave loading, API RP 2A, DNVGL, cathodic protection offshore, structural steel, fatigue in offshore, jack-up, FPSO, mooring.

open-channel

Open channel flow — Manning's equation, specific energy, critical flow, hydraulic jump, gradually varied flow, channel design, weirs, culverts.

orbital-mechanics

Orbital mechanics — Kepler's laws, vis-viva equation, orbital elements (a, e, i, Ω, ω, ν), Hohmann transfer, bi-elliptic transfer, plane change maneuvers, delta-V budget, patched-conic interplanetary trajectories, launch window, gravity assists, atmospheric…