Principles
30 of 30 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.
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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.
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| Title | ID | Chain | Domain | Tier | δ | L_DAG | Specs | Benchmarks |
|---|---|---|---|---|---|---|---|---|
| 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 |
| 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 |
| Gravity Field Inversion — density imaging | L1-279 | 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 |
| 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 |