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Abstract <p>This paper presents the application of vortex particle methods for simulating external flows around engineering structures using the VM2D code, which has been enhanced with a hybrid fast algorithm that combines the Barnes–Hut method and the Fast Multipole Method. This approach reduces computational costs preserving physical accuracy, thereby enabling long-duration simulations of problems that were previously prohibitive with direct algorithm. The capability of the fast algorithm is demonstrated through three test cases, confirming its suitability for practical engineering applications.</p>

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Simulation of Aeroelastic Oscillations of Structural Elements Using the Vortex Particle Method in the VM2D Code

  • 期刊论文

  • 发表日期：

    2026年5月23日

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  • A. Kolganova

摘要

Abstract

This paper presents the application of vortex particle methods for simulating external flows around engineering structures using the VM2D code, which has been enhanced with a hybrid fast algorithm that combines the Barnes–Hut method and the Fast Multipole Method. This approach reduces computational costs preserving physical accuracy, thereby enabling long-duration simulations of problems that were previously prohibitive with direct algorithm. The capability of the fast algorithm is demonstrated through three test cases, confirming its suitability for practical engineering applications.