no code implementations • 18 Mar 2024 • Jihun Han, Yoonsang Lee
We propose a neural network-based mesh-free approach for perforated domain problems.
no code implementations • 14 Oct 2023 • Jihun Han, Yoonsang Lee, Anne Gelb
We present a framework designed to learn the underlying dynamics between two images observed at consecutive time steps.
no code implementations • 28 Sep 2023 • Jihun Han, Yoonsang Lee
This study analyzes the derivative-free loss method to solve a certain class of elliptic PDEs using neural networks.
no code implementations • 17 Nov 2022 • Tyler Ard, Longxiang Guo, Jihun Han, Yunyi Jia, Ardalan Vahidi, Dominik Karbowski
Up to 36% fuel savings are measured with the proposed control approach over a human-modelled driver, and it was found connectivity in the automation approach improved fuel economy by up to 26% over automation without.
no code implementations • 4 Jun 2022 • Jihun Han, Yoonsang Lee
Compared with other network-based approaches for multiscale problems, the proposed method is free from the design of hand-crafted neural network architecture and the cell problem to calculate the homogenization coefficient.
no code implementations • 2 Dec 2021 • Jihun Han, Yoonsang Lee
In this work, we propose a hierarchical approach to improve the convergence rate and accuracy of the neural network solution to partial differential equations.
no code implementations • 17 Jan 2020 • Jihun Han, Mihai Nica, Adam R Stinchcombe
We introduce a deep neural network based method for solving a class of elliptic partial differential equations.