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Prague

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#artificial intelligence Preprint Sep 2026

Artificial Neural Networks as Surrogate Models in Black Box Optimization

Black-Box Optimization (BBO) is often applied in several engineering fields and can utilize an advancement of numerical measure- ments and simulation technologies. It deals with the optimization func- tions, where an analytical description is unavailable. It relies on meth- ods that require only an input point in the s...

Md Khadimul Islam Zim, Martin Holeňa Czech Academy of Sciences, Institute of Space Science et al. · 0 citations

Preprint Jul 2026

A high-dimensional neural network potential for finite-temperature phenomena in NiTi martensite

We present a high-dimensional neural network potential (HDNNP) for the martensitic phase of the NiTi shape-memory alloy trained to density functional theory (DFT) data. A central aspect of this work is the systematic validation of the potential with respect to the underlying DFT reference method for key properties gove...

P. Jaroš, Petr Sedlák, Petr Šesták et al. · 0 citations