Al-Qadisiyah Journal for Engineering Sciences

Study of 3D-printed honeycomb orientation on vibration energy harvesting

Articles in Press

Document Type : Research Paper

Authors

Nicholas T. Yong 1, 2
Choon L. Hoo 3

1 School of Engineering and Physical Sciences, Heriot-Watt University Malaysia, 62200 Putrajaya, Malaysia.

2 ARRK Asia, Block E-10-01, Oasis Ara Damansara, Jalan PJU 1A/7, Ara Damansara, 47301 Petaling Jaya, Malaysia.

3 School of Engineering, Faculty of Engineering and Technology, Sunway University, Malaysia.

https://doi.org/10.30772/qjes.2025.165746.1764
Abstract
With the advance in technology, sustainable renewable energy implementation in many applications is becoming important such as in wireless sensor. Vibration energy harvesting can convert environmental mechanical vibration into useful energy. Honeycomb core structure has shown promising results in cantilever dynamic vibration. However, there is limited study on its structural variation. This research focusses on different beam thickness and angle orientation of 3D printed hexagonal core structure to improve vibrational cantilever energy harvesting. The beam thickness was studied at 4 mm, 6 mm and 8 mm with re-oriented honeycomb core at 0° and 30°. The test rig was modelled as a mass-spring system. The model was simulated for modal analysis and power generation with piezoelectric. The natural frequencies and vibration amplitudes were compared between simulation and experimentation with a vibrational shaker machine and data acquisition device. The results showed that 30° honeycomb core has better dynamical amplitudes and energy harvesting as compared to the conventional 0° honeycomb core beam. The different beam thicknesses affect the beam stiffness and therefore vary the vibrational amplitude and generated power. The 30° core with lower thickness was found to have the highest power generation due to the better distribution of stress along the beam.

Keywords

Hexagonal
Fused Deposition Modeling
Cantilever Beam
Thickness
Natural Frequency
Al-Qadisiyah Journal for Engineering Sciences

Articles in Press, Accepted Manuscript
Available Online from 06 June 2026

  • Receive Date 02 October 2025
  • Revise Date 18 December 2025
  • Accept Date 23 December 2025

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