Academic Activity

Teaching Experience

  • Fluid Mechanics — Teaching Assistant in Bachelor-level Course & Laboratory, National University of Singapore.
  • Machine Design — Teaching Assistant in Bachelor-level Laboratory, National University of Singapore.
  • Fluid Mechanics — Instructor (Evening Classes), Bachelor-level Course, National University of Singapore.
  • Scientific ML for Fluid Mechanics — Guest Speaker (1-hour lecture), IIT Kanpur.

Invited Talks

Projection-Based and Data-Driven Reduced Order Models for Annealing Furnace
R. Halder, G. Stabile, G. Reiss, W. Eßl, C. Mugrauer, E. Wimmer, G. Rozza. Coupled Problems 2025, Villasimius (Sardinia), 25–28 May 2025.
Physics Informed Neural Network Framework for Full Order and Reduced Order External CFD Solver
R. Halder, G. Stabile, G. Rozza. CASML 2024, IISc Bangalore, India, 14–18 Dec 2024. Slides/Paper
Coupling Physics Informed Neural Networks with External CFD Solvers
R. Halder, G. Stabile, G. Codega, G. Rozza. ECCOMAS 2024, Lisbon, Portugal, 3–7 Jun 2024.
An Adaptive Regularized ROM for the Quasi-Geostrophic Equations
R. Halder, M. Girfoglio, G. Rozza. SIAM UQ 2024, Trieste, Italy, 27 Feb – 1 Mar 2024.
A Deep-Learning Enhanced Gappy-POD Method: Application in an Industrial Conjugate Heat Transfer Problem
R. Halder, A. Hajisharifi, M. Girfoglio, G. Stabile, G. Rozza. M2P 2023, Taormina, Sicily, 30 May – 1 Jun 2023.
Discretized PDE-based Physics Informed Neural Network: Application in Fluid-Structure Interaction Problem
R. Halder, G. Stabile, G. Rozza. Coupled 2023, Crete, Greece, 5–7 Jun 2023.

Present Collaborators

Dr. Giovanni Stabile Associate Professor at Sant'Anna School of Advanced Studies, Italy — Discretized PINN project
Dr. Alexander Heinlein Assistant Porfessor at TU Delft, Netherlands — Domain decomposition & preconditioning in Discretized PINN
Dr. Niccolò Tonicello Assistant Professor at SISSA, Italy — Multiphase Flow PINN
Dr. Arash Hajisharifi Post Doctoral Researcher at SISSA, Italy — ROM for Cerebrovascular Flow
Prof. Gianluigi Rozza Professor at SISSA, Italy — Postdoc Mentor
Dr. Anil Kumar Bachu Assistant Professor at IIT Patna, India — Transportation Problem
Dr. Shouriya Agarwal Associate Professor at University of Central Florida, USA — Transportation Problem
Dr. Chandan Bose Assistant Professor at University of Birmingham, UK — Bio-FSI
Material Centre Leoben & Voestalpine Industrial collaboration — Digital Twin of Annealing Furnace

Ongoing Book Project

  • Textbook: Currently writing a textbook on Computational Fluid Dynamics with Prof. Gianluigi Rozza.
  • Scope: Stabilized Finite Element Methods, Finite Volume Approach.
  • Status: Drafting initial chapters.
  • Target publisher: Springer.

Mini-Symposium Organization

IS038 — Model Order Reduction, Scientific Machine Learning and Uncertainty Quantification for Large Scale, Complex Geometry and Multi-physics Problems

Organized by: G. Stabile (Sant'Anna School of Advanced Studies, Italy), B. Rosic (University of Twente, Netherlands), R. Halder (SISSA, Italy), and R. Maulik (The Pennsylvania State University, United States).

COUPLED 2025, Villasimius, Sardinia, 25–28 May 2025. Event page

ROM Scientific ML UQ