Comparison of data assimilation methods based on the classical, ensemble and local Kalman filter by the example of the advection equation and Lorenz system

Authors

DOI:

https://doi.org/10.26089/NumMet.v19r445

Keywords:

boundary value problems, quasistructured grids, parallelization technologies, data structures, structured arrays

Abstract

When parallelizing the solution of three-dimensional boundary value problems, especially in domains with complex geometry, the сomputational technologies and data structureы are important. The amount of stored information and the computational time depend on them. In this paper we propose the technologies for parallelizing the method of decomposition of the computational domain into subdomains conjugated without overlapping on a quasistructured grid. Parallel grid data structures oriented mainly to work with structured data arrays are developed. An illustrative example clarifying the fundamentals of the proposed approach is discussed.

Author Biographies

D.A. Rostilov

M.N. Kaurkin

R.A. Ibraev

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Published

24-12-2018

How to Cite

Ростилов Д., Кауркин М., Ибраев Р. Comparison of Data Assimilation Methods Based on the Classical, Ensemble and Local Kalman Filter by the Example of the Advection Equation and Lorenz System // Numerical Methods and Programming (Vychislitel’nye Metody i Programmirovanie). 2018. 19. 507-515. doi 10.26089/NumMet.v19r445

Issue

Section

Section 1. Numerical methods and applications