Total Variation Diminishing (TVD) Method For Elastohydrodynamic Lubrication (EHL) Problem On Parallel Computers

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Authors

  • Peeyush Singh
     Department of Mathematics (SAS), VIT-AP University, Amaravati,-522237, Andhra Pradesh ,IN
  • Pravir K. Dutt
     Department of Mathematics and Statistics, Indian Institute of Technology, Kanpur-208016, U. P. ,IN

DOI:

https://doi.org/10.18311/jims/2024/30918

Keywords:

EHL problems, PAQIF, LCP, TVD

Abstract

In this article, we offer a novel parallel approach for the solution of elastohydrodynamic lubrication line and point contact problems using a class of total variation diminishing (TVD) schemes on parallel computers. A direct parallel approach is presented by introducing a novel solver named as projected alternate quadrant interlocking factorization (PAQIF) by solving discrete variational inequality. For one-dimensional EHL case, we use weighted change in Newton-Raphson approximation to compute the Jacobian matrix in the form of a banded matrix by dividing two subregions on the whole computation domain. Such subregion matrices are then assembled by measuring the ratio of diffusive coefficient and discrete grid length on the domain of the interest. The banded matrix is then processed to parallel computers for solving discrete linearized complementarity system using PAQIF algorithm. The idea is easily extended in two-dimensional EHL case by taking appropriate splitting in x and y alternating directions respectively. Numerical experiments are performed and analyzed to validate the performance of computed solution on serial and parallel computers.

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Published

2024-01-01

How to Cite

Singh, P., & Dutt, P. K. (2024). Total Variation Diminishing (TVD) Method For Elastohydrodynamic Lubrication (EHL) Problem On Parallel Computers. The Journal of the Indian Mathematical Society, 91(1-2), 171–202. https://doi.org/10.18311/jims/2024/30918

Issue

Volume 91, Issue 1-2, January-June 2024

Section

Articles

License

Copyright (c) 2024 Peeyush Singh, Pravir K. Dutt

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Crossref
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Europe PMC
Received 2022-08-09
Accepted 2023-01-20
Published 2024-01-01

 

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