Solving of multi-connected curvilinear boundary value problems by the fast PIES

A Kużelewski, E Zieniuk - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
This paper presents the fast parametric integral equations system (PIES) in solving two-
dimensional (2D) multi-connected curvilinear potential boundary value problems. The fast …

[HTML][HTML] The fast parametric integral equations system in an acceleration of solving polygonal potential boundary value problems

A Kużelewski, E Zieniuk - Advances in Engineering Software, 2020 - Elsevier
The paper presents a new way of accelerating of polygonal potential boundary value
problems solving by modified parametric integral equations system (PIES). For this purpose …

Modification of interval arithmetic for modelling and solving uncertainly defined problems by interval parametric integral equations system

E Zieniuk, M Kapturczak, A Kużelewski - … , Wuxi, China, June 11–13, 2018 …, 2018 - Springer
In this paper we present the concept of modeling and solving uncertainly defined boundary
value problems described by 2D Laplace's equation. We define uncertainty of input data …

The FMM accelerated PIES with the modified binary tree in solving potential problems for the domains with curvilinear boundaries

A Kużelewski, E Zieniuk - Numerical Algorithms, 2021 - Springer
The paper presents an accelerating of solving potential boundary value problems (BVPs)
with curvilinear boundaries by modified parametric integral equations system (PIES). The …

IPIES for uncertainly defined shape of boundary, boundary conditions and other parameters in elasticity problems

M Kapturczak, E Zieniuk - … ICCS 2019: 19th International Conference, Faro …, 2019 - Springer
The main purpose of this paper is modelling and solving boundary value problems
simultaneously considering uncertainty of all of input data such as: shape of boundary …

[PDF][PDF] Degenerate parametric integral equations system for Laplace equation and its effective solving

E Zieniuk, M Kapturczak, A Kuzelewski - Proceedings of the World …, 2017 - iaeng.org
In this paper we present application of degenerate kernels strategy to solve parametric
integral equations system (PIES) for two-dimensional Laplace equation in order to improve …

Advantages of Interval Modification of NURBS Curves in Modeling Uncertain Boundary Shape in Boundary Value Problems

M Kapturczak, E Zieniuk, A Kużelewski - International Conference on …, 2021 - Springer
In this paper, the advantages of interval modification of NURBS curves for modeling
uncertainly defined boundary shapes in boundary value problems, are presented. The …

Interval NURBS curves in modeling uncertainly defined boundary shape in interval PIES method

E Zieniuk, M Kapturczak - AIP Conference Proceedings, 2019 - pubs.aip.org
The main purpose of this paper is to increase accuracy of modeling uncertainly defined
boundary shape in parametric integral equations systems method (PIES), by inclusion of …

Verification of interval PIES solutions on examples of uncertainly defined boundary value problems modeled by Laplace's equation

M Kapturczak, E Zieniuk - AIP Conference Proceedings, 2019 - pubs.aip.org
In this paper we propose new methods of interpretation and verification of interval solutions
obtained using interval parametric integral equations systems (interval PIES). These …

[PDF][PDF] The Fast Parametric Integral Equations System for Polygonal 2D Potential Problems

A Kuzelewski, E Zieniuk - Proceedings of the World Congress on …, 2017 - iaeng.org
Application of techniques for modelling of boundary value problems implies three conflicting
requirements: obtaining high accuracy of the results, high speed of the solution and low …