Decomposition strategies in the problems of simulation of additive laser technology processes
- Authors: Khomenko M.D.1, Dubrov A.V.1, Mirzade F.K.1
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Affiliations:
- Institute on Laser and Information Technologies, Branch of Federal Scientific Research Center “Crystallography and Photonics”
- Issue: Vol 52, No 6 (2016)
- Pages: 621-629
- Section: Computational and Data Acquisition Systems
- URL: https://journals.rcsi.science/8756-6990/article/view/212050
- DOI: https://doi.org/10.3103/S8756699016060145
- ID: 212050
Cite item
Abstract
The development of additive technologies and their application in industry is associated with the possibility of predicting the final properties of a crystallized added material. This paper describes the problem characterized by a dynamic and spatially nonuniform computational complexity, which, in the case of uniform decomposition of a computational domain, leads to an unbalanced load on computational cores. The strategy of partitioning of the computational domain is used, which minimizes the CPU time losses in the serial computations of the additive technological process. The chosen strategy is optimal from the standpoint of a priori unknown dynamic computational load distribution. The scaling of the computational problem on the cluster of the Institute on Laser and Information Technologies (RAS) that uses the InfiniBand interconnect is determined. The use of the parallel code with optimal decomposition made it possible to significantly reduce the computational time (down to several hours), which is important in the context of development of the software package for support of engineering activity in the field of additive technology.
About the authors
M. D. Khomenko
Institute on Laser and Information Technologies, Branch of Federal Scientific Research Center “Crystallography and Photonics”
Author for correspondence.
Email: hmd@laser.ru
Russian Federation, ul. Svyatoozerskaya 1, Shatura, 140700
A. V. Dubrov
Institute on Laser and Information Technologies, Branch of Federal Scientific Research Center “Crystallography and Photonics”
Email: hmd@laser.ru
Russian Federation, ul. Svyatoozerskaya 1, Shatura, 140700
F. Kh. Mirzade
Institute on Laser and Information Technologies, Branch of Federal Scientific Research Center “Crystallography and Photonics”
Email: hmd@laser.ru
Russian Federation, ul. Svyatoozerskaya 1, Shatura, 140700
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