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<p>Polyvinyl fluoride is a polymer known for its flexibility and piezoelectric properties, making it suitable for various fields. Additive Manufacturing has emerged as an alternative for producing complex shapes, such as cellular structures with good strength-to-weight ratio and directional piezoelectricity. This paper presents an optimization approach for gradient unit cell structures fabricated using fused deposition modeling. We proposed a Multiphysics simulation to predict the voltage response and developed a physics-informed surrogate model. The proposed model effectively predicts output voltage, enabling an optimum search over the design space, minimizing the volume while maintaining a high-voltage output, showing an accuracy above 90%.</p> Graphical abstract <p></p>

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Design optimization of additively manufactured anisotropic piezoelectric lattice structures by Gaussian process modeling

  • 期刊论文

  • 发表日期：

    2025年4月21日

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  • Aaron Rodriguez,
  • Yanwen Xu,
  • Sara Kohtz,
  • Anabel Renteria

摘要

Polyvinyl fluoride is a polymer known for its flexibility and piezoelectric properties, making it suitable for various fields. Additive Manufacturing has emerged as an alternative for producing complex shapes, such as cellular structures with good strength-to-weight ratio and directional piezoelectricity. This paper presents an optimization approach for gradient unit cell structures fabricated using fused deposition modeling. We proposed a Multiphysics simulation to predict the voltage response and developed a physics-informed surrogate model. The proposed model effectively predicts output voltage, enabling an optimum search over the design space, minimizing the volume while maintaining a high-voltage output, showing an accuracy above 90%.

Graphical abstract