Exact(11)
Therefore, it can be easily applied to any refinement ratio.
For the grid convergence test, three grid levels are selected with a constant grid refinement ratio.
From the solutions on five grids two grid triplets are formed, one with a constant refinement ratio of two and one with a smaller, nearly constant refinement ratio.
The resulting error bands agree fairly well, although the grid triplet with constant refinement ratio uses solutions from a substantially coarser grid than the triplet with non-constant refinement ratio.
Utilizing the traditional numerical schemes to simulate flows in strong heterogeneous media, the refinement ratio for the grid cell needs to increase dramatically to get an accurate result.
Because our work is based on an integral formulation, divergence-free restriction and prolongation can be carried out on AMR meshes with any integral refinement ratio, though we specialize the expressions for the most popular situation where the refinement ratio is two.
Similar(49)
Both integer and noninteger refinement ratios are allowed across mesh blocks.
The influence of mesh refinement and aspect ratio of the elements has been studied.
The structure refinement revealed a ratio of the twin volumes of 44/56, with an R-value of 5.5%.
The weight factions of the crystalline phases in the sintered products were quantified by the Rietveld refinement method, and the transformation ratio (TR) index was used to reveal the Cd incorporation efficiencies of the iron oxides.
Peaks were detected by Chromatogram Summed Peak Detection: summation window = 20 scans, overlap = 10, minimum peak size = 6 scans, maximum merge distance = 1 point, peak RT splitting = true, intensity profiling = maximum, gap/peak ratio = 5%, refinement threshold = 80, consistency threshold = 1.
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