Computational Modeling and Simulation Lab

At the Informatics Institute in Istanbul Technical University, we specialize in advancing the fields of biomechanics and cardiovascular medicine through cutting-edge computational research. Our team, which includes experts in computational fluid dynamics, cardiovascular mechanics, biomedical engineering and advanced simulation technologies, works to understand how vascular system operates. We collaborate closely with doctors and other medical professionals to ensure our research translates into real-world solutions that improve human health and medical technologies. Join us in exploring how our innovative work is shaping the future of biomedical engineering and cardiovascular biomechanics.

Interested in becoming part of our interdisciplinary research team? Join us to explore academic and research opportunities in computational biomechanics, AI-CFD, developing VR applications, modelling and simulation.

We are also currently seeking interns and volunteer undergraduate students who are eager to contribute to ongoing projects and gain hands-on research experience in a dynamic academic environment.

New Publication: Learnable Activation Functions in Physics-Informed Neural Networks for Solving Partial Differential Equations

by Computational Modeling and Simulation Lab | Jul 23, 2025

Our latest article has been published in Computer Physics Communications.

Our latest article has been published in Computer Physics Communications:

"Learnable activation functions in physics-informed neural networks for solving partial differential equations"

The paper investigates the use of learnable activation functions to address key challenges in Physics-Informed Neural Networks (PINNs), such as spectral bias and convergence instability. Various network architectures and PDE types are studied using Neural Tangent Kernel and Hessian analyses.

🔗 Article link: https://doi.org/10.1016/j.cpc.2025.109139

Related Github repository can be found at https://github.com/afrah/pinn_learnable_activation

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Events

01 Dec

Introduction to OpenFOAM®, Hands-on Workshop for Computational Fluid Dynamics, Informatics Institute Building 4th Floor, Computer Room, Istanbul Technical University

Under the supervision of Istanbul Technical University (ITU) Computational Science and Engineering Department faculty member Prof. Dr. Mustafa Serdar Çelebi, a free face-to-face, applied workshop "Introduction to OpenFOAM®" was held for students and academy members on Friday, December 1, 2023.

03 Apr

Seminar: Cardiovascular Blood Flow Simulation: Aorta and Coronary Artery

A hybrid seminar titled "Cardiovascular Blood Flow Simulation - Aorta & Coronary Artery" was held on November 3, 2023, under the supervision of Istanbul Technical University (ITU) Computational Science and Engineering Department faculty member Prof. Dr. Mustafa Serdar Çelebi.

16 May

Seminar: Hemodynamic Simulations and FSI Coupling for Bioprosthetic Valves

An online seminar titled "Hemodynamic Simulations and FSI Coupling for Bioprosthetic Valves" will be held on Monday, May 16, 2022, under the supervision of Prof. Dr. M. Serdar Çelebi, faculty member of the Istanbul Technical University (ITU) Computational Science and Engineering Department.

26 Apr

Workshop: Fluid-Structure Interaction Modeling with Immersed Boundary Method

An online workshop titled "Immersed Boundary Method (IBM) for Fluid-Structure Interaction (FSI) Modeling" was held on April 26, 2022. This one-day hands-on training session was designed to introduce the fundamentals of IBM and its practical application using the IBAMR software.

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ITU Informatics Institute - Phone +90(212) 285 71 94

ITU Informatics Institute - Fax +90 (212) 285 70 73

ITU Informatics Institute - Address Istanbul Technical University, Ayazağa Campus, Maslak Sarıyer, Istanbul

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