Cahn-Hilliard Phase Separation L1-328
Unclaimed Principle — open for contribution
This Principle is declared in the catalog but has no reference solver, no pinned dataset, and is not registered on-chain. There is no reward pool. Submitting a cert against this Principle today will record the cert for reproducibility but pay zero PWM.
To claim it as a Bounty #7 contribution: open a PR adding (1) a reference solver, (2) ≥1 dataset pinned to IPFS, (3) updates to the L3 manifest with dataset CIDs. After verifier-agent triple-review, the founders' 3-of-5 multisig signs PWMRegistry.register() and the Principle becomes mineable.
Forward model E
Cahn-Hilliard: gradient flow with conserved composition phi; dphi/dt = div(M * grad(mu)) where mu = -kappa*Laplacian(phi) + df/dphi.
L-DAG
Well-posedness W
- Existence:
- true
- Uniqueness:
- true
- Stability:
- conditional
- κ:
- 350
Fourth-order PDE; well-posed; inversion ill-conditioned (M-chi degeneracy).
Solvability C
- Solver class:
- Semi-implicit spectral (IMEX); SPH for free-surface; adjoint inversion
- Convergence rate q:
- 2
- Complexity:
- principle-dependent