Principles
197 of 197 shown
Claim Board — scientifically-declared inventory awaiting external contributors. Each stub is an open invitation: author the reference solver + dataset, open a PR, and earn the registration bounty. Not mineable until promoted to Tier 1/2 by 3-of-5 multisig.
Filter by physics:clear all facets
Problem classnonlinear_inverse (203)linear_inverse (197)parameter_estimation (62)linear_inverse_with_categorical_readout (18)statistical_inverse (5)forward (3)parametric_spectral_estimation (3)linear_inverse_count (3)
Noise modelgaussian (316)shot_poisson (80)poisson (28)observation_gaussian (13)poisson_gaussian (13)measurement_gaussian (10)lognormal (9)deterministic (7)
Photon, electron, mechanical, etc. drawn from each manifest'sphysics_fingerprint block. Combine multiple facets to narrow further.
Domain:AllCompressive ImagingAstrophysicsComputational BiologyEnvironmental ScienceControl TheoryComputational FinanceRoboticsPetroleum EngineeringGeodesyParticle PhysicsOptimizationAstronomyPolymer PhysicsSemiconductor PhysicsComputational ChemistryQuantum MechanicsMaterials ScienceMicroscopyMedical ImagingCoherent ImagingComputational PhotographyComputational OpticsElectron MicroscopyDepth ImagingRemote SensingIndustrial InspectionUltrafast ImagingQuantum ImagingMultimodal FusionScanning ProbePlasma PhysicsNuclear EngineeringFluid DynamicsHeat TransferStructural MechanicsElectromagneticsAcousticsGeophysicsSignal ProcessingScientific InstrumentationSpectroscopy
| Title | ID | Chain | Domain | Tier | δ | L_DAG | Specs | Benchmarks |
|---|---|---|---|---|---|---|---|---|
| Cable Equation (Dendrite Propagation) | L1-398 | unregistered | Computational Biology | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Advection-Dispersion Transport Inversion | L1-415 | unregistered | Environmental Science | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Carbon Cycle Biogeochemical Inversion | L1-424 | unregistered | Environmental Science | 📋 Stub — not mineable | 5 | 4.5 | 0 | 0 |
| Inverse Dynamics | L1-449 | unregistered | Robotics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| GNSS Positioning and Navigation | L1-466 | unregistered | Geodesy | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Satellite Gravity Gradiometry (GOCE) | L1-471 | unregistered | Geodesy | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Hyperspectral Spectral Unmixing | L1-472 | unregistered | Geodesy | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Stellar Coronagraphy PSF Subtraction | L1-166 | unregistered | Astronomy | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Lucky Imaging Atmospheric Turbulence Recovery | L1-167 | unregistered | Astronomy | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Solar EUV/X-ray Image Reconstruction | L1-169 | unregistered | Astronomy | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| de Gennes-Doi-Edwards Reptation Theory | L1-476 | unregistered | Polymer Physics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Phonon Boltzmann Transport Equation | L1-497 | unregistered | Semiconductor Physics | 📋 Stub — not mineable | 5 | 3.6 | 0 | 0 |
| Time-Dependent Density Functional Theory (TDDFT) | L1-297 | unregistered | Computational Chemistry | 📋 Stub — not mineable | 5 | 3.6 | 0 | 0 |
| Implicit Solvation Models (PCM, COSMO, SMD) | L1-305 | unregistered | Computational Chemistry | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Metropolis Monte Carlo | L1-310 | unregistered | Computational Chemistry | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Time-Independent Schrödinger Equation | L1-312 | unregistered | Quantum Mechanics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Phonon Dispersion Relations | L1-317 | unregistered | Quantum Mechanics | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Tight-Binding Electronic Structure | L1-318 | unregistered | Quantum Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Exact Diagonalization of Many-Body Hamiltonians | L1-323 | unregistered | Quantum Mechanics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| k.p Perturbation Theory | L1-326 | unregistered | Quantum Mechanics | 📋 Stub — not mineable | 3 | 3.1 | 0 | 0 |
| Solid-State Diffusion (Fick + Onsager) | L1-333 | unregistered | Materials Science | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Flory-Huggins Polymer Solution Theory | L1-335 | unregistered | Materials Science | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Widefield Fluorescence Microscopy (Airy-PSF deconvolution) | L1-001 | unregistered | Microscopy | 📋 Stub — not mineable | 1 | 1 | 0 | 0 |
| Low-Dose Widefield Fluorescence (photon-starved Airy deconvolution) | L1-002 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 1 | 0 | 0 |
| Structured Illumination Microscopy (SIM) — lateral 2x resolution | L1-005 | unregistered | Microscopy | 📋 Stub — not mineable | 5 | 2.8 | 0 | 0 |
| Light Sheet Fluorescence Microscopy (LSFM / SPIM) | L1-006 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Stimulated Emission Depletion (STED) — donut super-resolution | L1-010 | unregistered | Microscopy | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Total Internal Reflection Fluorescence (TIRF) | L1-012 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Polarization Microscopy (Stokes / birefringence imaging) | L1-013 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Expansion Microscopy (ExM) — physical hydrogel expansion | L1-014 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Image Scanning Microscopy (ISM) — pixel reassignment super-resolution | L1-016 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Darkfield Microscopy (oblique-illumination scattering imaging) | L1-019 | unregistered | Microscopy | 📋 Stub — not mineable | 1 | 2.2 | 0 | 0 |
| Lattice Light Sheet Microscopy (LLSM) — Bessel-lattice 3D imaging | L1-020 | unregistered | Microscopy | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Spinning Disk Confocal (Nipkow) Microscopy | L1-022 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Confocal Fluorescence (pinhole-rejection livecell imaging) | L1-532 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 2.3 | 0 | 0 |
| Confocal Z-Stack (3D axial deconvolution) | L1-533 | unregistered | Microscopy | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Coded Aperture Snapshot Spectral Imaging (CASSI) | L1-025 | unregistered | Compressive Imaging | 📋 Stub — not mineable | 3 | 3.7 | 0 | 0 |
| Single-Pixel Imaging (random basis compressive sensing) | L1-026 | unregistered | Compressive Imaging | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Coded Aperture Compressive Temporal Imaging (CACTI) | L1-027 | unregistered | Compressive Imaging | 📋 Stub — not mineable | 3 | 2 | 0 | 0 |
| Low-Rank Matrix Sensing (compressive matrix recovery) | L1-028 | unregistered | Compressive Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Computed Tomography (CT) — fan/cone-beam X-ray reconstruction | L1-029 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Magnetic Resonance Imaging (MRI) — proton-density / T1 / T2 contrast | L1-030 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.6 | 0 | 0 |
| Planar X-ray Radiography | L1-031 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Clinical B-mode Ultrasound | L1-032 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.5 | 0 | 0 |
| Positron Emission Tomography (PET) | L1-033 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.6 | 0 | 0 |
| Single-Photon Emission Computed Tomography (SPECT) | L1-034 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Fluoroscopy (real-time X-ray) | L1-035 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Digital Mammography | L1-036 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Dual-Energy X-ray Absorptiometry (DEXA) | L1-037 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Cone-Beam CT (CBCT) — dental / interventional | L1-038 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| X-ray Angiography (DSA) | L1-039 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Optical Coherence Tomography (OCT) | L1-042 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.5 | 0 | 0 |
| Magnetic Resonance Spectroscopy (MRS) | L1-044 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Doppler Ultrasound (color / spectral) | L1-046 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Fiber-Optic Endoscopy | L1-048 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Fundus Imaging (retinal photography) | L1-049 | unregistered | Medical Imaging | 📋 Stub — not mineable | 1 | 2.2 | 0 | 0 |
| Brachytherapy Dose Imaging | L1-052 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Electronic Portal Imaging (EPID) | L1-053 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Arterial Spin Labeling (ASL) MRI | L1-057 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| MR Angiography (time-of-flight / phase-contrast) | L1-058 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.4 | 0 | 0 |
| Susceptibility-Weighted Imaging (SWI) | L1-059 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Intravascular Ultrasound (IVUS) | L1-061 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Digital Breast Tomosynthesis (DBT) | L1-063 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Confocal Laser Endomicroscopy (CLE) | L1-064 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Functional Near-Infrared Spectroscopy (fNIRS) | L1-065 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Quantitative Susceptibility Mapping (QSM) | L1-503 | unregistered | Medical Imaging | 📋 Stub — not mineable | 5 | 7.4 | 0 | 0 |
| PillCam-SPECTRA Optical-Property Recovery (analytical core) | L1-511 | unregistered | Medical Imaging | 📋 Stub — not mineable | 3 | 4.9 | 0 | 0 |
| Digital Holography (off-axis and in-line intensity holograms) | L1-071 | unregistered | Coherent Imaging | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Optical Diffraction Tomography (ODT) — 3D refractive-index imaging | L1-073 | unregistered | Coherent Imaging | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Talbot-Lau Grating Interferometry (X-ray phase-contrast imaging) | L1-074 | unregistered | Coherent Imaging | 📋 Stub — not mineable | 3 | 3.4 | 0 | 0 |
| Lensless Imaging with Diffuser PSF (DiffuserCam) | L1-075 | unregistered | Computational Photography | 📋 Stub — not mineable | 3 | 2.6 | 0 | 0 |
| Multi-Focus / Panorama Fusion (all-in-focus composite imaging) | L1-076 | unregistered | Computational Photography | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Coded-Exposure Imaging for Motion Deblur | L1-077 | unregistered | Computational Photography | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Light-Field (Plenoptic) Imaging | L1-080 | unregistered | Computational Optics | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Integral Photography (Lippmann-style MLA capture + reconstruction) | L1-081 | unregistered | Computational Optics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Scanning Electron Microscopy (SEM) — secondary-electron surface imaging | L1-084 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Transmission Electron Microscopy (TEM) — thin-section contrast imaging | L1-085 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Electron Tomography — tilt-series 3D reconstruction | L1-086 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Scanning TEM (STEM) — HAADF / BF imaging with convergent beam | L1-087 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Electron Energy Loss Spectroscopy (EELS) | L1-090 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Off-Axis Electron Holography — nanoscale phase imaging | L1-091 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Cryo-Electron Tomography (cryoET) — in-situ 3D biology at nm scale | L1-092 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 10 | 4.5 | 0 | 0 |
| Focused Ion Beam SEM (FIB-SEM) — serial sectioning 3D imaging | L1-093 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| STEM-EDX — X-ray energy-dispersive elemental mapping | L1-094 | unregistered | Electron Microscopy | 📋 Stub — not mineable | 3 | 3.4 | 0 | 0 |
| Scanning LiDAR (pulsed direct Time-of-Flight) | L1-096 | unregistered | Depth Imaging | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Structured-Light 3D Imaging (projector-camera triangulation) | L1-097 | unregistered | Depth Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Photometric Stereo (shape-from-shading with multiple light directions) | L1-098 | unregistered | Depth Imaging | 📋 Stub — not mineable | 3 | 3.2 | 0 | 0 |
| Flash LiDAR (single-shot 2D SPAD-array direct ToF) | L1-099 | unregistered | Depth Imaging | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Active Sonar — underwater acoustic imaging | L1-101 | unregistered | Remote Sensing | 📋 Stub — not mineable | 3 | 3.5 | 0 | 0 |
| Hyperspectral Imaging (pushbroom / AVIRIS-style) | L1-102 | unregistered | Remote Sensing | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Multispectral Imaging (Landsat/Sentinel-2) | L1-103 | unregistered | Remote Sensing | 📋 Stub — not mineable | 1 | 2.5 | 0 | 0 |
| Doppler Weather Radar | L1-105 | unregistered | Remote Sensing | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Very Long Baseline Interferometry (VLBI) | L1-106 | unregistered | Remote Sensing | 📋 Stub — not mineable | 10 | 4.5 | 0 | 0 |
| Passive Microwave Radiometry | L1-107 | unregistered | Remote Sensing | 📋 Stub — not mineable | 3 | 2.7 | 0 | 0 |
| Polarimetric SAR (PolSAR) — full-polarimetric decomposition | L1-109 | unregistered | Remote Sensing | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Industrial Computed Tomography (high-res x-ray CT for NDT) | L1-111 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| X-ray Non-Destructive Testing (2D radiography) | L1-112 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 3 | 2.5 | 0 | 0 |
| Phased-Array Ultrasonic Testing (PAUT) | L1-113 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 5 | 4 | 0 | 0 |
| Terahertz Imaging (0.1-10 THz time-domain / CW) | L1-116 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Automated Optical Inspection (AOI) for PCB / manufacturing defects | L1-117 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 1 | 2.5 | 0 | 0 |
| X-Ray Fluorescence (XRF) Mapping | L1-118 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Shearography (ESPI-based strain imaging) | L1-119 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Scanning Acoustic Microscopy (SAM) | L1-120 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Digital Image Correlation (DIC) for full-field strain | L1-123 | unregistered | Industrial Inspection | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Streak Camera — picosecond 1D time-resolved imaging | L1-149 | unregistered | Ultrafast Imaging | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Compressed Ultrafast Photography (CUP) — trillion fps imaging | L1-151 | unregistered | Ultrafast Imaging | 📋 Stub — not mineable | 10 | 4.5 | 0 | 0 |
| PET-CT Fusion (metabolism + anatomy) | L1-156 | unregistered | Multimodal Fusion | 📋 Stub — not mineable | 3 | 3.5 | 0 | 0 |
| SPECT-CT Fusion | L1-158 | unregistered | Multimodal Fusion | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| Near-Field Scanning Optical Microscopy (NSOM/SNOM) | L1-164 | unregistered | Scanning Probe | 📋 Stub — not mineable | 5 | 3.8 | 0 | 0 |
| Ideal MHD — magnetohydrodynamics infinite-conductivity limit | L1-342 | unregistered | Plasma Physics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Vlasov Equation — collisionless kinetic plasma | L1-344 | unregistered | Plasma Physics | 📋 Stub — not mineable | 10 | 3.8 | 0 | 0 |
| PIC (Particle-in-Cell) — plasma kinetic simulation | L1-346 | unregistered | Plasma Physics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Fokker-Planck — Coulomb-collision kinetic | L1-347 | unregistered | Plasma Physics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| MHD Stability — linear eigenmode growth rates | L1-349 | unregistered | Plasma Physics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Plasma Sheath — Debye-scale boundary layer | L1-350 | unregistered | Plasma Physics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| RF Heating — ICRF / LH / ECH wave absorption | L1-351 | unregistered | Plasma Physics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Neutron Transport — linear Boltzmann equation | L1-354 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 10 | 3.8 | 0 | 0 |
| Neutron Diffusion — multi-group diffusion approximation | L1-355 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Criticality Eigenvalue — k-effective calculation | L1-356 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Point Reactor Kinetics — power transient modeling | L1-357 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Monte Carlo Neutron Transport — stochastic particle tracking | L1-360 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 10 | 3.5 | 0 | 0 |
| Gamma-Ray Shielding — deep-penetration attenuation | L1-361 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Decay Heat — residual power after reactor shutdown | L1-363 | unregistered | Nuclear Engineering | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Stokes Flow — low-Re linear viscous | L1-173 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Potential Flow — irrotational inviscid | L1-175 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| DNS — direct numerical simulation | L1-180 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 10 | 3.5 | 0 | 0 |
| Shallow Water Equations — coastal/tidal/inundation | L1-181 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Eulerian-Lagrangian — dispersed-phase particle tracking | L1-185 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Lattice Boltzmann Method (LBM) — mesoscale fluid | L1-187 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Darcy Flow — low-Re porous-medium flow | L1-188 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Advection-Diffusion — scalar transport | L1-190 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Buckley-Leverett — two-phase displacement saturation | L1-192 | unregistered | Fluid Dynamics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Transient Heat Conduction — inverse heat conduction (IHCP) | L1-195 | unregistered | Heat Transfer | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Radiative Transfer Equation — radiative heat exchange | L1-199 | unregistered | Heat Transfer | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Thermoelectric Transport — coupled Seebeck-Peltier | L1-203 | unregistered | Heat Transfer | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Thermal Contact Resistance — interface conductance estimation | L1-204 | unregistered | Heat Transfer | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Laser Heating — short-pulse temperature rise inversion | L1-205 | unregistered | Heat Transfer | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Cryogenic Storage Boiloff — MLI heat-leak estimation | L1-206 | unregistered | Heat Transfer | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Linear Elasticity — Navier-Cauchy 3D solid mechanics | L1-207 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Euler-Bernoulli Beam — thin-beam bending | L1-208 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Timoshenko Beam — shear-deformation thick-beam | L1-209 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Kirchhoff Plate — thin-plate bending | L1-210 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Mindlin-Reissner Plate — thick-plate with shear | L1-211 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Shell Theory — curved thin-structure mechanics | L1-212 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Modal Analysis — natural frequencies and mode shapes | L1-213 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Linear Buckling — eigenvalue stability analysis | L1-214 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Viscoelasticity — linear hereditary models | L1-218 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Linear Elastic Fracture Mechanics (LEFM) — K/J evaluation | L1-220 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| XFEM — extended finite element for cracks | L1-222 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Fatigue — Paris law crack growth | L1-224 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Hertzian Contact — elastic sphere/cylinder contact | L1-225 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Poroelasticity — Biot coupled solid/fluid | L1-227 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Thermoelasticity — coupled thermal-mechanical | L1-228 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Piezoelectricity — coupled mechanical-electrical | L1-229 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Elastodynamics — dynamic wave propagation in solids | L1-230 | unregistered | Structural Mechanics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Maxwell Full-Wave — time-domain 3D Maxwell equations | L1-232 | unregistered | Electromagnetics | 📋 Stub — not mineable | 10 | 3.8 | 0 | 0 |
| Helmholtz Scattering — frequency-domain EM scattering | L1-233 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Method of Moments (MoM) — integral-equation EM | L1-235 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Antenna Analysis — radiation pattern inversion | L1-236 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Radar Cross-Section — backscatter reconstruction | L1-237 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Eddy Currents — conductor inversion from induced fields | L1-238 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Waveguide Modes — dispersion and S-parameter analysis | L1-239 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Fresnel Diffraction — paraxial wave propagation | L1-241 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Geometric Optics — ray tracing / eikonal | L1-242 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Rayleigh Scattering — molecular / small-particle scattering | L1-244 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Thin Film Interference — transfer-matrix optical design | L1-245 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Holographic Reconstruction — wavefront from interference | L1-246 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Electrostatics — Poisson equation inversion | L1-250 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Magnetostatics — coil design and field inversion | L1-251 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 2.8 | 0 | 0 |
| Inverse Synthetic Aperture Radar (ISAR) — rotating-target imaging | L1-252 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Ray Tracing (EM) — wireless propagation model | L1-253 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3.3 | 0 | 0 |
| X-ray Phase Contrast — propagation / grating / analyzer | L1-254 | unregistered | Electromagnetics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| THz Time-Domain Spectroscopy — material parameter extraction | L1-256 | unregistered | Electromagnetics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Acoustic Wave Equation — time-domain pressure field reconstruction | L1-257 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Helmholtz Equation — frequency-domain acoustic scattering / interior field | L1-258 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Acoustic Scattering — boundary element method (BEM) | L1-261 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Underwater Acoustic Ray Tracing (Bellhop) | L1-262 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.2 | 0 | 0 |
| Underwater Normal Modes — modal propagation (KRAKEN) | L1-263 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Underwater Acoustics — Parabolic Equation (RAM) | L1-264 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Acoustic Beamforming — DOA & imaging from array | L1-265 | unregistered | Acoustics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Structural Vibration Analysis — modal response | L1-266 | unregistered | Acoustics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Vibroacoustics — structure-acoustic coupling | L1-268 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Duct Acoustics — wave propagation in ducts / silencers | L1-269 | unregistered | Acoustics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Outdoor Noise Propagation — atmospheric refraction + ground effect | L1-271 | unregistered | Acoustics | 📋 Stub — not mineable | 5 | 3.7 | 0 | 0 |
| Seismic Travel-Time Tomography — ray-based velocity imaging | L1-272 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Receiver Function — teleseismic crust imaging | L1-275 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Seismic Reflection — post-stack migration and imaging | L1-276 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Ambient-Noise Tomography — Green-function retrieval | L1-277 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Earthquake Source Inversion — finite-fault slip | L1-278 | unregistered | Geophysics | 📋 Stub — not mineable | 10 | 3.7 | 0 | 0 |
| Gravity Field Inversion — density imaging | L1-279 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Magnetic Field Inversion — susceptibility imaging | L1-280 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3 | 0 | 0 |
| Satellite Gravity Recovery — GRACE/GRACE-FO mass change | L1-285 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.5 | 0 | 0 |
| Tsunami Propagation — shallow-water wave simulation | L1-289 | unregistered | Geophysics | 📋 Stub — not mineable | 5 | 3.3 | 0 | 0 |
| Well Test Analysis — transient pressure testing | L1-291 | unregistered | Geophysics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Tidal Analysis — harmonic tidal constituent extraction | L1-292 | unregistered | Geophysics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Subsurface Temperature — geothermal gradient inversion | L1-293 | unregistered | Geophysics | 📋 Stub — not mineable | 3 | 3 | 0 | 0 |
| Channel Estimation (pilot-aided wireless channel identification) | L1-389 | unregistered | Signal Processing | 📋 Stub — not mineable | 3 | 2.3 | 0 | 0 |