DNS identify four power-law regimes in Nusselt number versus aspect ratio in differentially heated cavities, with maximum heat flux at Re_u/Re_v ≈ 0.45 and optimal aspect ratio scaling as Γ_opt ∼ Ra^{-0.19}.
and Grigoriadis, Dimokratis G
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Exploiting repeated block structures converts SpMV to SpMM in CFD operators while an inline coarse-to-fine mesh strategy reduces time to statistically steady state, producing speed-ups up to over 50 percent on tested cases.
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Geometry-controlled heat transport pathways and optimal heat transfer in differentially heated cavities
DNS identify four power-law regimes in Nusselt number versus aspect ratio in differentially heated cavities, with maximum heat flux at Re_u/Re_v ≈ 0.45 and optimal aspect ratio scaling as Γ_opt ∼ Ra^{-0.19}.
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Exploiting repeated matrix block structures for more efficient CFD on modern supercomputers
Exploiting repeated block structures converts SpMV to SpMM in CFD operators while an inline coarse-to-fine mesh strategy reduces time to statistically steady state, producing speed-ups up to over 50 percent on tested cases.