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This chapter investigates a novel parabolic overtopping wave energy converter using computational fluid dynamics with ANSYS-Fluent 2022 R1. The device harnesses wave energy by controlling the water overflow over a parabolic structure. Reynolds-averaged Navier-Stokes equations and the \(k-\omega \) turbulence model describe the flow, while a piston-type wave maker generates second-order Stokes waves via a user-defined function. The volume of fluid model captures air-water interactions. The study compares the performance of the parabolic overtopping device with straight and convex sloped ramps and examines how the height-length ratio affects the efficiency. Results, including free surface elevation and velocity contours, demonstrate the device’s potential for effective wave energy conversion under varying wave heights.

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Performance of a Parabolic Overtopping Wave Energy Converter Device Using RANS Model

  • 章节

  • 发表日期：

    2026年

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  • Kailash Chand Swami,
  • Amya Ranjan Ray,
  • Santanu Koley

摘要

This chapter investigates a novel parabolic overtopping wave energy converter using computational fluid dynamics with ANSYS-Fluent 2022 R1. The device harnesses wave energy by controlling the water overflow over a parabolic structure. Reynolds-averaged Navier-Stokes equations and the \(k-\omega \) turbulence model describe the flow, while a piston-type wave maker generates second-order Stokes waves via a user-defined function. The volume of fluid model captures air-water interactions. The study compares the performance of the parabolic overtopping device with straight and convex sloped ramps and examines how the height-length ratio affects the efficiency. Results, including free surface elevation and velocity contours, demonstrate the device’s potential for effective wave energy conversion under varying wave heights.