Regularity of the actual mean equations on a moving annulus #
The inputs below are the individual mean, covariance, base, and virtual stress fields. Smoothness, moving support, and torus periodicity of their actual nonlinear fluxes and differential residuals are consequences. Base coefficients need smoothness and periodicity only at positive radii.
Periodicity on the entire fast torus at each allowed slow point.
Equations
- NavierStokes.MeanStateRegularity.Periodic U f = ∀ (n : ℕ), NavierStokes.PhysicalMeanDomain.PeriodicOn U (f n)
Instances For
A background coefficient is only used at positive physical radii.
Equations
- NavierStokes.MeanStateRegularity.PositivePeriodic U f = ∀ (n : ℕ) (R : ℝ), 0 < R → ∀ s ∈ U, NavierStokes.FourierAlias.TorusPeriodic fun (Y : NavierStokes.TorusInverse.Plane) => f n (R, s, Y)
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The native graph coefficient is smooth and periodic where it can be multiplied by a supported mean field.
- regular : LocalRankDefect.LocalOperators U o
- profile_periodic : PositivePeriodic U fun (x : ℕ) => o.radialProfile
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The actual reconstruction operators meet the primitive hypotheses.
The base is not assumed smooth or periodic through the axis. The supported factor is identically zero there and below it.
The moving physical interval is exactly the normalized support used by the signed-stress request.
Primitive base regularity on the positive-radius domain.
- smooth : MeanIncrementBounds.SmoothTriple (LocalRankDefect.positiveDomain U) b
- radial_periodic : PositivePeriodic U b.radial
- angular_periodic : PositivePeriodic U b.angular
- axial_periodic : PositivePeriodic U b.axial
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Moving triple data, collecting radial, angular, axial.
- radial : GaugeMomentBalances.MovingField U a b m.radial
- angular : GaugeMomentBalances.MovingField U a b m.angular
- axial : GaugeMomentBalances.MovingField U a b m.axial
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Only the individual incoming fields are constrained. No residual, flux, pressure reconstruction, or quantitative class bound is an input.
- operators : OperatorData U.carrier c.operators
- mean : MovingTriple U a b u.mean
- covariance (i j : Fin 3) : GaugeMomentBalances.MovingField U a b (u.covariance i j)
- virtualTheta : GaugeMomentBalances.MovingField U a b c.virtualTheta
- virtualAxial : GaugeMomentBalances.MovingField U a b c.virtualAxial
Instances For
A reconstructed incoming state needs no separate regularity premise on its pressure.
The same primitive fields after adding the actual wave covariance increment. The pressure is still obtained by the genuine reconstruction.
Direct assembly of the signed mean-stage inputs #
All residual, flux, and source regularity fields of LocalData follow
from primitive data. Reconstruction and the two mass identities are the
actual state invariants, not regularity premises.
The regularity endpoint for the actual covariance increment, including
the one supplied by WaveStateRegularity, combines with primitive
periodicity and supplies the complete signed-stage input record.