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Stephen Thomas Castonguay

Lawrence Livermore National Laboratory

P.O. Box 808

Livermore, CA 94551

United States

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Hard-constrained Physics-informed Neural Networks for Interface Problems

Number of pages: 56 Posted: 17 May 2026
SeungWhan Chung, Stephen Thomas Castonguay, Sumanta Roy, Michael Scott Penwarden, Yucheng Fu and Pratanu Roy
University of Illinois at Urbana-Champaign, Lawrence Livermore National Laboratory, affiliation not provided to SSRN, Sandia National Laboratories, Government of the United States of America - Pacific Northwest National Laboratory and Lawrence Livermore National Laboratory
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Abstract:

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Interface problems, Hard-constrained PINNs, Domain decomposition, Jump discontinuities, Windowing approach, Buffer approach