Finite slow residuals and their radial stress primitives #
The finite profiles and all derivatives below are the actual functions from
SlowExpansionResidual. The stored radial variable in SlowRecursion is
beta = V / X; its conversion to a flux includes the factor X.
The stress operator is the two tangential radial operators in (24). It is not identified with the divergence of an unspecified symmetric tensor.
Convert a regular radial quotient to the actual radial flux.
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The actual functions constructed by the regular-axis recursion.
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The solved angular and axial rows are the literal residual coefficients.
A finite residual coefficient depends only on the germs of the coefficients through its own order. No global equality is required.
Monotonicity of slow orders is the precise reason every omitted pair has at least the next power of q.
Pair tail size, given by ∑ ij ∈ (pairs N).filter (fun ij => N < ij.1 + ij.2), |K ij.1 ij.2|.
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- NavierStokes.SlowResidualMatching.pairTailSize N K = ∑ ij ∈ NavierStokes.SlowExpansionResidual.pairs N with N < ij.1 + ij.2, |K ij.1 ij.2|
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Transport kernel, constructed using transportPair.
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Transport tail size, given by pairTailSize N (transportKernel h e α v u f w) + |Z2 h (e + slowOrder h N) (f N) w|.
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Both the omitted quadratic interactions and the last axial viscosity are bounded, with their true next-order power.
Pressure tail size, constructed using transportTailSize.
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The radial remainder retains the last radial acceleration as well as the omitted swirl products. Its exponent is not silently equated with the stronger tangential exponent.
The change from cylindrical radius R to the regular variable X.
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From radius, given by F (Real.sqrt (2 * w.1), w.2).
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To radius, given by f (radiusPoint w).
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Swirl radius, given by w.1 / C * toRadius f w.
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At a positive radius the primitive stress is smooth without an axis vanishing assumption. The latter is needed only to extend through R=0.
Literal R²-weighted angular residual.
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Literal R-weighted axial residual.
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Theta stress, given by fromRadius (SlowStressSupport.stress 2 (thetaDensity h C f n)).
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Z stress, given by fromRadius (SlowStressSupport.stress 1 (zDensity h f n)).
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The angular primitive has exactly the required unweighted divergence.
Physical theta stress, given by finiteProfile N h (angularExponent h) (thetaStress h C f).
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Physical Z stress, given by finiteProfile N h (angularExponent h) (zStress h f).
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The two radial tangential operators appearing in the manuscript. They are written as an actual Cartesian vector; no unspecified tensor is used.
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The pressure recurrence contributes this separate radial vector.
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Exact finite field matching. All nonlinear interactions not in the
retained coefficients, the final axial viscosities, and the final radial
acceleration remain in the explicitly defined truncationResidual.
If the pressure was recomputed from its actual radial recurrence, the finite residual consists of the tangential stress force and the explicit tails.
An explicit finite index for all omitted transport terms. none is
the last axial-viscosity coefficient.
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Transport indices, given by insert none (((pairs N).filter (fun ij => N < ij.1 + ij.2)).image some).
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- NavierStokes.SlowResidualMatching.transportIndices N = insert none (Finset.image some ({ij ∈ NavierStokes.SlowExpansionResidual.pairs N | N < ij.1 + ij.2}))
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Transport power as an element of TailIndex → ℝ | none => e - 1 + slowOrder h (N + 1) | some ij => e - 1 + slowOrder h (ij.1 + ij.2).
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- NavierStokes.SlowResidualMatching.transportPower N h e none = e - 1 + NavierStokes.SlowExpansionResidual.slowOrder h (N + 1)
- NavierStokes.SlowResidualMatching.transportPower N h e (some ij) = e - 1 + NavierStokes.SlowExpansionResidual.slowOrder h (ij.1 + ij.2)
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Transport term as an element of TailIndex → InnerProfile | none => fun w => -Z2 h (e + slowOrder h N) (f N) w | some ij => fun w => transportKernel h e α v u f w ij.1 ij.2.
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This equality is an identity of actual functions, suitable for taking any fixed number of derivatives in q and the inner variables.
Pressure indices, given by ((transportIndices N).image Sum.inl) ∪ ((transportIndices N).image Sum.inr).
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Pressure power used in slow residual matching.
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- NavierStokes.SlowResidualMatching.pressurePower N h (Sum.inl i) = NavierStokes.SlowResidualMatching.transportPower N h 0 i
- NavierStokes.SlowResidualMatching.pressurePower N h (Sum.inr none) = NavierStokes.SlowExpansionResidual.pressureExponent h + NavierStokes.SlowExpansionResidual.slowOrder h (N + 1)
- NavierStokes.SlowResidualMatching.pressurePower N h (Sum.inr (some ij)) = NavierStokes.SlowExpansionResidual.pressureExponent h + NavierStokes.SlowExpansionResidual.slowOrder h (ij.1 + ij.2)
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Pressure term used in slow residual matching.
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- NavierStokes.SlowResidualMatching.pressureTerm N h C f (Sum.inl i) = NavierStokes.SlowResidualMatching.transportTerm N h 0 (-(1 / 2)) f.flux f.axial f.flux i
- NavierStokes.SlowResidualMatching.pressureTerm N h C f (Sum.inr none) = NavierStokes.SlowExpansionResidual.omegaCoefficient h f N
- NavierStokes.SlowResidualMatching.pressureTerm N h C f (Sum.inr (some ij)) = fun (w : NavierStokes.SimilarityProfile.InnerPoint) => -(2 * w.1 * C⁻¹ ^ 2) * (f.phi ij.1 w * f.phi ij.2 w)
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Division by the physical radial energy is converted to a single q power and an ordinary smooth inner coefficient away from X=0.
Compact coefficient jets give a uniform bound for every fixed inner derivative of a finite sum of actual powers. The exponent is unchanged by inner differentiation.
The canonical R-coordinate weighted angular residual is exactly the coefficient used by the finite Cartesian expansion.
The canonical weighted axial residual uses the same pressure derivative and preceding viscosity as the finite Cartesian expansion.
The primitive source is the canonical conservative density, including the axis. At the axis the equality uses the actual radial parity.
Equality of the actual negative integrals, not just their derivatives.
At the normalized physical point q=1, the literal second axial derivative is exactly the canonical R-coordinate operator.
The order-one angular viscosity moment follows from the restored renormalized heat moment. Only the stated exterior support is used to replace the positive half-line integral by its finite radial integral.
A repaired family that retains the finite input germs retains the actual solved angular and axial equations in the inner region.