Search Results for author: Abhishek Chandra

Found 4 papers, 2 papers with code

A Biased Estimator for MinMax Sampling and Distributed Aggregation

no code implementations26 Apr 2024 Joel Wolfrath, Abhishek Chandra

MinMax sampling is a technique for downsampling a real-valued vector which minimizes the maximum variance over all vector components.

Neural oscillators for magnetic hysteresis modeling

no code implementations23 Aug 2023 Abhishek Chandra, Taniya Kapoor, Bram Daniels, Mitrofan Curti, Koen Tiels, Daniel M. Tartakovsky, Elena A. Lomonova

Hysteresis is a ubiquitous phenomenon in science and engineering; its modeling and identification are crucial for understanding and optimizing the behavior of various systems.

Neural oscillators for generalization of physics-informed machine learning

1 code implementation17 Aug 2023 Taniya Kapoor, Abhishek Chandra, Daniel M. Tartakovsky, Hongrui Wang, Alfredo Nunez, Rolf Dollevoet

A primary challenge of physics-informed machine learning (PIML) is its generalization beyond the training domain, especially when dealing with complex physical problems represented by partial differential equations (PDEs).

Physics-informed machine learning

Discovery of sparse hysteresis models for piezoelectric materials

1 code implementation10 Feb 2023 Abhishek Chandra, Bram Daniels, Mitrofan Curti, Koen Tiels, Elena A. Lomonova, Daniel M. Tartakovsky

This article presents an approach for modelling hysteresis in piezoelectric materials, that leverages recent advancements in machine learning, particularly in sparse-regression techniques.

regression

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