Benha University

Mohamed Ahmed Kamal Abd-El-Khalik Ahmed Soliman

Lecturer

Faculty of Engineering, Shoubra Engineering Mathematics and Physics

A Purely Meshless Penalty 2D Formulation for Navier–Stokes Equations

International Journal for Numerical Methods in Fluids • 2025
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Publication Information
Authors M. A. Kamal; Ahmed M. M. Hasan; Youssef F. Rashed; Ahmed Fady Farid
Keywords lid-driven cavity; method of fundamental solutions; Monte Carlo quadrature; Navier–Stokes equations; penalty function formulation
Journal International Journal for Numerical Methods in Fluids
Publisher Wiley
Volume Not Available
Issue Not Available
Pages 1-22
publication.type International
Paper Link Open Link
Supplementary Materials Not Available
Abstract
This paper presents a novel mesh-free approach for solving the Navier–Stokes equations. The method makes use of the meshless method of fundamental solutions (MFS) and the Monte Carlo integration technique for computing the domain integral of the convective terms. No domain or boundary discretization is required. This approach facilitates numerical computation while ensuring accuracy and stability. By imposing a penalty parameter, the Navier–Stokes equations are transformed to resemble the Navier equations of elasticity. Hence, elasticity based fundamental solutions are employed. The proposed formulation is validated through numerical examples, demonstrating its efficacy in capturing steady-state flow phenomena through several examples. This highly parallelized system is then accelerated via GPU computing. Overall, the proposed method provides a promising paradigm for advancing computational fluid mechanics, offering a versatile framework with broad applicability in engineering and scientific domains.
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