Demonstration of Elmer Ashvinkumar Chaudhari LUT School of Engineering Science BM20A5100 Scientific Computing and Numerics for PDEs

CFD steps Pre-processing – Geometry, Mesh, Boundary conditions Solving – Solving PDEs Post-processing – Visualizing results

Demos in Elmer – Demo 1: Heat flow (equation) – Steady state – 2d problem – Demo 2: Navier-Stokes equations – Moving wall (Cavity flow) – Steady state – Laminar – 2D

Demo 1 Solving heat equation in room 2D problem Mathematically

Demo 1: Heat distribution

Changing boundary condition

Demo 2: N-S equations Lid-driven cavity flow Moving wall with speed of 1 (m/s)

Demo 2: Problem statement

Demo 2: N-S equations Lid-driven cavity flow

Demo 2: Lid-driven cavity flow