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To reduce the emission of the greenhouse gas, exploration of renewable energy sources with abundant reserves could be viable solutions. Wave energy as renewable resource, has a substantial potential in the ocean. Nevertheless, the advancement of wave energy utilization technologies encounters obstacles such as suboptimal energy conversion efficiencies and high costs. To overcome these obstacles, dynamic properties and designs of single wave energy converter (WEC) and WEC array need to be studied. This work investigated floating WEC array composed of point absorbers (PA), focusing on the coupling effects among WECs in an array configuration. By employing fundamental theories and computational techniques related to ocean structures in the frequency, the study performs numerical simulations using ANSYS-AQWA software. In frequency domain, the study focuses on the effects of array types, float spacings, float parameters, and on the energy capture performance of the WEC array. A comparison was made between the energy capture efficiency of the WEC array and a single WEC, indicating that the WEC array demonstrated a superior capability to harness wave energy resources effectively.

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Numerical Investigation and Optimization on the Performance of Wave Energy Converter Array

  • 会议论文

  • 发表日期：

    2025年

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  • Mengjie Wang,
  • Ling Wan,
  • Chi Zhang,
  • Zhiyung Tay

摘要

To reduce the emission of the greenhouse gas, exploration of renewable energy sources with abundant reserves could be viable solutions. Wave energy as renewable resource, has a substantial potential in the ocean. Nevertheless, the advancement of wave energy utilization technologies encounters obstacles such as suboptimal energy conversion efficiencies and high costs. To overcome these obstacles, dynamic properties and designs of single wave energy converter (WEC) and WEC array need to be studied. This work investigated floating WEC array composed of point absorbers (PA), focusing on the coupling effects among WECs in an array configuration. By employing fundamental theories and computational techniques related to ocean structures in the frequency, the study performs numerical simulations using ANSYS-AQWA software. In frequency domain, the study focuses on the effects of array types, float spacings, float parameters, and on the energy capture performance of the WEC array. A comparison was made between the energy capture efficiency of the WEC array and a single WEC, indicating that the WEC array demonstrated a superior capability to harness wave energy resources effectively.