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PINN-based reconstruction of deformation fields in hybrid additive-subtractive manufacturing of metal cavity parts
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DOI：10.1016/j.jmsy.2026.05.001.png)
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Abstract
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• Contact-type OMI inserted into the manufacturing process captures part deformation. • OMI points originate from cutting paths to ensure probe accessibility in cavities. • PINN fuses CAD and sparse OMI data to reconstruct segment-wise deformation fields. • Differentiable PINN loss combines stiffness, data fidelity, and boundary condition. • Synthesized deformation field outperforms the optical methods for deep cavities.
Keywords:
Deformation field reconstruction
PINN
Hybrid manufacturing
Metal cavity parts
OMI data
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14.2
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2.6K
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