Search Results for author: Stefanie Reese

Found 5 papers, 3 papers with code

A finite operator learning technique for mapping the elastic properties of microstructures to their mechanical deformations

no code implementations28 Mar 2024 Shahed Rezaei, Shirko Faroughi, Mahdi Asgharzadeh, Ali Harandi, Gottfried Laschet, Stefanie Reese, Markus Apel

Our method, inspired by operator learning and the finite element method, demonstrates the ability to train without relying on data from other numerical solvers.

Operator learning

Theory and implementation of inelastic Constitutive Artificial Neural Networks

1 code implementation10 Nov 2023 Hagen Holthusen, Lukas Lamm, Tim Brepols, Stefanie Reese, Ellen Kuhl

As the design of the network is not limited to visco-elasticity, our vision is that the iCANN will reveal to us new ways to find the various inelastic phenomena hidden in the data and to understand their interaction.

Mixed formulation of physics-informed neural networks for thermo-mechanically coupled systems and heterogeneous domains

1 code implementation9 Feb 2023 Ali Harandi, Ahmad Moeineddin, Michael Kaliske, Stefanie Reese, Shahed Rezaei

In this work, we propose applying the mixed formulation to solve multi-physical problems, specifically a stationary thermo-mechanically coupled system of equations.

Transfer Learning

A mixed formulation for physics-informed neural networks as a potential solver for engineering problems in heterogeneous domains: comparison with finite element method

1 code implementation27 Jun 2022 Shahed Rezaei, Ali Harandi, Ahmad Moeineddin, Bai-Xiang Xu, Stefanie Reese

Later on, the strong form which has a higher order of derivatives is applied to the spatial gradients of the primary variable as the physical constraint.

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