Atakan Aygun

Atakan Aygun
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  • Master of Science
  • Research Assistant at Middle East Technical University

About

6
Publications
2,415
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22
Citations
Introduction
My current focus is developing discontinuous Galerkin solutions for moving boundary problems accelerated on GPUs. Additionally, I am trying to combine data-driven methods with high-fidelity solutions to increase efficiency. My Master's work focuses on using physics-informed neural networks for computational fluid dynamics. Currently working on arbitrary Lagrangian-Eulerian discontinuous Galerkin solutions on GPU.
Current institution
Middle East Technical University
Current position
  • Research Assistant
Education
October 2020 - January 2023
September 2015 - September 2020
Middle East Technical University
Field of study
  • Mechanical Engineering

Publications

Publications (6)
Article
Full-text available
In this work, we study the Galerkin–Boltzmann formulation within a physics-informed neural network (PINN) framework to solve flow problems in weakly compressible regimes. The Galerkin–Boltzmann equations are discretized with second-order Hermite polynomials in microscopic velocity space, which leads to a first-order conservation law with six equati...
Preprint
Full-text available
In this work, we study the Galerkin-Boltzmann formulation within a physics-informed neural network (PINN) framework to solve flow problems in weakly compressible regimes. The Galerkin-Boltzmann equations are discretized with second-order Hermite polynomials in microscopic velocity space, which leads to a first-order conservation law with six equati...
Article
In this work, we have applied physics-informed neural networks (PINN) for solving mesh deformation problems. We used the collocation PINN method to capture the new positions of the vertex nodes while preserving the connectivity information. We use linear elasticity equations for mesh deformation. To prevent vertex collisions or edge overlap, the me...
Preprint
Full-text available
In this work, we have applied physics-informed neural networks (PINN) for solving mesh deformation problems. We used the collocation PINN method to capture the new positions of the vertex nodes while preserving the connectivity information. We use linear elasticity equations for mesh deformation. To prevent vertex collisions or edge overlap, the me...
Article
Full-text available
Physics-informed neural networks (PINNs) have drawn attention in recent years in engineering problems due to their effectiveness and ability to tackle problems without generating complex meshes. PINNs use automatic differentiation to evaluate differential operators in conservation laws and hence do not need a discretization scheme. Using this abili...
Preprint
Full-text available
Physics informed neural networks (PINNs) have drawn attention in recent years in engineering problems due to their effectiveness and ability to tackle the problems without generating complex meshes. PINNs use automatic differentiation to evaluate differential operators in conservation laws and hence do not need to have a discretization scheme. Usin...

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