Numerical solvers for fluid flow, heat transfer, and dental mechanics.

RudhLab is a computational research group at Pandit Deendayal Energy University, Gandhinagar, led by Anirudh Kulkarni. We write our own solvers, from lattice-Boltzmann to immersed-boundary methods, and run them on GPUs.

Upcoming JRF and PhD positions→

Flow past a sphere. GPU D3Q19 lattice-Boltzmann solver, about 20 million cells, rendered in ParaView. Solver development study.

News

Talks and news →

Research

Fluid dynamics and heat transfer

Flow around bluff bodies, porous-media transport, vortex-induced vibration, and multiphase flow, studied with finite-volume, lattice-Boltzmann, and immersed-boundary solvers.

Simulations →

Dental mechanics

Finite-element studies of tooth movement and orthodontic appliances, including molar protraction loops and implant-supported systems.

Publications →

GPU solvers and research code

CUDA C++ and Julia implementations of numerical methods: interface capturing, pressure solvers, and GPU-accelerated fluid–structure interaction.

Code →

Funded projects

Stepwells and passive cooling

PI · 2026–2029

Thermofluid analysis of Gujarat stepwells using photogrammetry and LBM–IBM computational fluid dynamics to investigate sustainable passive cooling.

Details

Full title: Thermofluid Analysis of Selected Stepwells from the Region of Gujarat (Vapi): Validating Aparajitaprccha Typologies using Photogrammetry and LBM–IBM CFD for Sustainable Passive Cooling
Funding: Indian Knowledge Systems Division, Ministry of Education, Government of India
Principal Investigator: Dr. Anirudh Kulkarni
Co-Principal Investigator: Dr. Kishan Fuse
Research fellow: Tannu Parmar, JRF

Rheology for underwater exploration

Co-PI · 2026–2029

Lattice-Boltzmann simulation combined with machine learning for rheological characterisation in underwater exploration.

Details

Full title: LBM–ML Rheological Characterisation for Underwater Exploration
Funding: IIT Guwahati Technology Innovation Hub
Principal Investigator: Dr. Vivek Jaiswal
Co-Principal Investigator: Dr. Anirudh Kulkarni

Regenerative electrolysers for street lighting

Co-PI · 2026–2029

Design and development of a low-cost portable regenerative electrolyser for a sustainable street-lighting system.

Details

Funding: Gujarat Energy Development Agency
Principal Investigator: Dr. Rohit Srivastava
Co-Principal Investigator: Dr. Anirudh Kulkarni

Simulations

Recordings from our own solvers. Select one for method notes.

Code

Selected publications

All 21 publications →

Finite element study of the efficacy of three different loops for bodily protraction of the mandibular molar

Aditi Mehta, Alap Shah, Anisha Prasad, Bharvi Jani, Kinnari Shah, Anirudh Kulkarni, Nattapon Chantarapanich, Samroeng Inglam, Mohammad Fareed, Anand Marya

Scientific Reports 15 (1), 13938 · 2025

DOI Scholar