1. Demonstration of Elmer Ashvinkumar Chaudhari LUT School of Engineering Science 21.03.2016 BM20A5100 Scientific Computing and Numerics for PDEs

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

3. 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

4. Demo 1 Solving heat equation in room 2D problem Mathematically

5. Demo 1: Heat distribution

6. Changing boundary condition

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

8. Demo 2: Problem statement

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

10. Demo 2: Lid-driven cavity flow