Momentum flux moduli on rescaled cylinders #
Uniform velocity, gradient, and pressure bounds give the endpoint-compatible pairing modulus on each compact spacetime cylinder.
theorem
ESS.blowup_limit_pairing_modulus_of_momentum_flux
{C : Set CKN.Foundation.Parabolic.Vec3}
(hC : IsCompact C)
(a b : ℝ)
(U : ℕ → CKN.Foundation.Parabolic.ParabolicPoint → CKN.Foundation.Parabolic.Vec3)
(DU : ℕ → CKN.Foundation.Parabolic.ParabolicPoint → Fin 3 → Fin 3 → ℝ)
(P : ℕ → CKN.Foundation.Parabolic.ParabolicPoint → ℝ)
(Dw : Fin 3 → Fin 3 → CKN.Foundation.Parabolic.ParabolicPoint → ℝ)
(divw : CKN.Foundation.Parabolic.ParabolicPoint → ℝ)
(G : ℕ → ℝ → ℝ)
(Mvel Mgrad Mpress Mtest Mdiv : ENNReal)
(hMvel : Mvel < ⊤)
(hMgrad : Mgrad < ⊤)
(hMpress : Mpress < ⊤)
(hMtest : Mtest < ⊤)
(hMdiv : Mdiv < ⊤)
(hU :
∀ (n : ℕ) (i : Fin 3),
MeasureTheory.MemLp (fun (z : CKN.Foundation.Parabolic.ParabolicPoint) => U n z i) 3
(MeasureTheory.volume.restrict (C ×ˢ Set.Icc a b)) ∧ MeasureTheory.eLpNorm (fun (z : CKN.Foundation.Parabolic.ParabolicPoint) => U n z i) 3
(MeasureTheory.volume.restrict (C ×ˢ Set.Icc a b)) ≤ Mvel)
(hDU :
∀ (n : ℕ) (i j : Fin 3),
MeasureTheory.MemLp (fun (z : CKN.Foundation.Parabolic.ParabolicPoint) => DU n z i j) 2
(MeasureTheory.volume.restrict (C ×ˢ Set.Icc a b)) ∧ MeasureTheory.eLpNorm (fun (z : CKN.Foundation.Parabolic.ParabolicPoint) => DU n z i j) 2
(MeasureTheory.volume.restrict (C ×ˢ Set.Icc a b)) ≤ Mgrad)
(hP :
∀ (n : ℕ),
MeasureTheory.MemLp (P n) (3 / 2) (MeasureTheory.volume.restrict (C ×ˢ Set.Icc a b)) ∧ MeasureTheory.eLpNorm (P n) (3 / 2) (MeasureTheory.volume.restrict (C ×ˢ Set.Icc a b)) ≤ Mpress)
(hDw :
∀ (i j : Fin 3),
MeasureTheory.MemLp (Dw i j) ⊤ (MeasureTheory.volume.restrict (C ×ˢ Set.Icc a b)) ∧ MeasureTheory.eLpNorm (Dw i j) ⊤ (MeasureTheory.volume.restrict (C ×ˢ Set.Icc a b)) ≤ Mtest)
(hdivw :
MeasureTheory.MemLp divw ⊤ (MeasureTheory.volume.restrict (C ×ˢ Set.Icc a b)) ∧ MeasureTheory.eLpNorm divw ⊤ (MeasureTheory.volume.restrict (C ×ˢ Set.Icc a b)) ≤ Mdiv)
(hformula :
∀ (n : ℕ) (s t : ℝ),
s ∈ Set.Icc a b →
t ∈ Set.Icc a b →
s ≤ t →
G n t - G n s = ∫ (z : CKN.Foundation.Parabolic.Vec3 × ℝ) in C ×ˢ Set.Ioc s t, ∑ i : Fin 3, ∑ j : Fin 3, U n z i * U n z j * Dw i j z - ∑ i : Fin 3, ∑ j : Fin 3, DU n z i j * Dw i j z + P n z * divw z)
:
The momentum formula and uniform component bounds give the time modulus for a smooth spatial pairing on a compact cylinder, through both endpoints.