Slope limiting for vectors: A novel vector limiting algorithm

2010 ◽  
Vol 65 (11-12) ◽  
pp. 1365-1375 ◽  
Author(s):  
Gabi Luttwak ◽  
Joseph Falcovitz
Keyword(s):  
Slope Limiting

scholarly journals Pemetaan dan Kesesuaian Lahan Tanaman Pangan di DAS Krueng Pasee Kabupaten Aceh Utara

Jurnal Agrium ◽  
2017 ◽  
Vol 14 (2) ◽  
pp. 26
Author(s):  
Samsul Suparno ◽  
Halim Akbar ◽  
Muhammad Rafli
Keyword(s):  
Organic Phosphorus ◽  
Fertilizer Application ◽  
Exchange Capacity ◽  
Land Suitability ◽  
Survey Method ◽  
Limiting Factor ◽  
Food Crops ◽  
Erosion Hazard ◽  
Slope Limiting ◽  
Factor C

Mapping using Geographic Information System (GIS) in food crops is an efficient and effective way to know land characteristics and their development potential in determining land suitability class in a region. This study aims to investigate the suitability class of food crops in the Krueng Pase River Basin (DAS) of North Aceh Regency, which starts from December 2016 until March 2017. The method used in this study is a survey method consisting of the preparation stage, survey introduction, main survey, data analysis and presentation of results. Some soil properties that affect land suitability classes for food crops are soil texture, cation exchange capacity (CEC), pH, basic saturation (KB), C-organic, Nitrogen, Phosphorus and Potassium. The results showed that the land suitability class for rainfed lowland rice on SPL 29, SPL 30 and SPL 31 was marginal (S3) with drainage limiting factor, phosphorus, potassium, slope and erosion hazard. Unsuitable land suitability class (N) with slope limiting factor and erosion hazard is found in SPL 26. The soil suitability class for corn and soybean is marginal (S3) with texture limiting factor, C-organic, phosphorus, potassium, slope and hazard (SP), SPL 17, SPL 18, SPL 20, SPL 21, SPL 22 and SPL 23. While the land suitability class is not suitable (N) with slope limiting factor and erosion hazard is found in SPL 15. The suggested soil conservation techniques are drainage drainage, organic and inorganic fertilizer application combined, and the making of guludan terraces

scholarly journals Adaptive hierarchic transformations for dynamically p-enriched slope-limiting over discontinuous Galerkin systems of generalized equations

2011 ◽  
Vol 230 (22) ◽  
pp. 8028-8056 ◽  
Author(s):  
C. Michoski ◽  
C. Mirabito ◽  
C. Dawson ◽  
D. Wirasaet ◽  
E.J. Kubatko ◽  
...  
Keyword(s):  
Discontinuous Galerkin ◽  
Generalized Equations ◽  
Slope Limiting

Application of a Discontinuous Galerkin Method to 1-D Liquid Sloshing

2003 ◽  
Author(s):  
Martin J. Guillot
Keyword(s):  
Galerkin Method ◽  
Discontinuous Galerkin ◽  
Discontinuous Galerkin Method ◽  
Shallow Water Equations ◽  
Godunov Method ◽  
First Order ◽  
Slope Limiter ◽  
Dg Method ◽  
Slope Limiting ◽  
Dam Breaking

A discontinuous Galerkin method is applied to the shallow water equations written in a rotating frame of reference. Linear approximating functions are employed on each element. A minmod slope limiter is incorporated to ensure non-linear total variation bounded (TVB) stability. The method is first applied to the dam breaking problem with zero rotation to validate the numerical implementation. A rotating tank is then investigated with sinusoidal rotation. Results are computed with and without slope limiting to investigate the effect of slope limiting on the solution. The DG method is also compared to a first order Godunov method and to experimental data.

scholarly journals FESTUNG: A MATLAB/GNU Octave toolbox for the discontinuous Galerkin method, Part II: Advection operator and slope limiting

2016 ◽  
Vol 72 (7) ◽  
pp. 1896-1925 ◽  
Author(s):  
Balthasar Reuter ◽  
Vadym Aizinger ◽  
Manuel Wieland ◽  
Florian Frank ◽  
Peter Knabner
Keyword(s):  
Galerkin Method ◽  
Discontinuous Galerkin ◽  
Discontinuous Galerkin Method ◽  
Slope Limiting
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