(in numerical analysis) relating to algorithms which are used to solve differential equations
multigrid methods
Examples of 'multigrid' in a sentence
multigrid
A pressure-correction based, multiblock, multigrid, unstructured/adaptive commercial software was used in this investigation.
M. E. Taslim, J. S. Halabi 2014, 'Heat Transfer and Friction Studies in a Tilted and Rib-Roughened Trailing-Edge CoolingCavity with and without the Trailing-Edge Cooling Holes', International Journal of Rotating Machineryhttp://dx.doi.org/10.1155/2014/710450. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Results are calculated under both steady-state and transient operating conditions using a multigrid solver.
Gregory de Boer, Duncan Dowson 2018, 'An Arbitrary Lagrangian–Eulerian Formulation for Modelling Cavitation in the ElastohydrodynamicLubrication of Line Contacts', Lubricantshttp://www.mdpi.com/2075-4442/6/1/13. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Multigrid preconditioning has proved to deal effectively with this problem.
Bacchio Simone, Alexandrou Constantia, Finkerath Jacob 2018, 'Multigrid accelerated simulations for Twisted Mass fermions', EPJ Web of Conferenceshttps://doi.org/10.1051/epjconf/201817502002. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
As an example, the multiaperture-multigrid accelerator concept will be discussed.
G. Fubiani, H. P. L. de Esch, A. Simonin, R. S. Hemsworth 2008, 'Modeling of secondary emission processes in the negative ion based electrostatic acceleratorof the International Thermonuclear Experimental Reactor', Physical Review Special Topics. Accelerators and Beamshttp://doi.org/10.1103/PhysRevSTAB.11.014202. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In this paper we introduce four multigrid algorithms for the constrained minimization of non-quadratic functionals.
Lori Badea 2012, 'MULTIGRID METHODS WITH CONSTRAINT LEVEL DECOMPOSITION FOR VARIATIONAL INEQUALITIES',Mathematics and its Applications: Annals of the Academy of Romanian Scientistshttp://www.mathematics-and-its-applications.com/preview/dec2011/data/badea.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We have developed a novel multigrid method based on a locally supported smoother.
Noor Badshah, Fahim Ullah, Matiullah 2018, 'On segmentation model for vector valued images and fast iterative solvers', Advances in Difference Equationshttp://link.springer.com/article/10.1186/s13662-018-1669-9. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Numerical experiments are conducted to verify that the proposed method has much better efficiency compared to classical multigrid methods.
Ming Li, Zhoushun Zheng, Kejia Pan 2018, 'An extrapolation full multigrid algorithm combined with fourth-order compact schemefor convection–diffusion equations', Advances in Difference Equationshttp://link.springer.com/article/10.1186/s13662-018-1631-x. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)