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An algebraic variational multiscale‐multigrid‐multifractal method is proposed for large‐eddy simulation of turbulent variable‐density flow at low Mach number. In the multifractal subgrid‐scale modeling approach, the subgrid‐scale quantities are explicitly evaluated from a multifractal description of associated gradient fields. The multifractal subgrid‐scale modeling approach is embedded into a residual‐based...