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High-Order CFD

High-accuracy numerical methods for incompressible and compressible flows

Overview

We develop high-order accurate numerical schemes for simulating complex fluid systems with emphasis on minimising numerical dissipation while preserving conservation properties. Central to our work is the EDAC (Entropically Damped Artificial Compressibility) formulation, which enables robust pressure coupling in incompressible flows, and skew-symmetric finite-difference schemes that ensure long-time kinetic energy conservation in turbulent simulations.

Governing Equation

∂u∂t+∇⋅(u⊗u)=−∇p+ν∇2u\frac{\partial \mathbf{u}}{\partial t} + \nabla \cdot (\mathbf{u} \otimes \mathbf{u}) = -\nabla p + \nu \nabla^2 \mathbf{u}

Incompressible Navier–Stokes

Methods

Key Results

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Convergence / spectral resolution plots

Add figures and result descriptions here

Related Publications

Sharma, Srikanth, Jayachandran & Sameen — Comp. Fluids, 2023

DOI

Srikanth, Praveen Kumar, Jayachandran, Sameen & Sharma — Comp. Fluids, 2025

DOI

Sharma, Nair, Vishnu & Sameen — Phil. Trans. R. Soc. A, 2023

DOI