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COMSOL Training Series (NNMDC Initiative)

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Aniket Tekawade
Aniket Tekawade

The document provides an overview of Session 1 of a COMSOL training series, which introduces COMSOL software. It discusses multiphysics simulation, which involves modeling multiple interacting physical phenomena, like fluid flow, heat transfer, and electrodynamics. It gives examples of why simulation is useful, such as design validation, optimization, and analysis. It then outlines the basic steps of simulation: defining physical phenomena with PDEs, discretizing the domain, solving the PDEs, and visualizing results. Finally, it previews the example simulation of a microfluidic mixer.

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COMSOL Training Series Session 1: Introducing COMSOL Simulating a Microfluidic Mixer
Multiphysics Simulation what it is
What is Multiphysics? study of systems involving multiple simultaneous physical phenomena
Reaction Kinetics Heat Waves Transfer Physical System Electro- Fluid Flow magnetism And more!!
Why Simulate? Eigen-frequency analysis on Crankshaft design validation
Why Simulate? Cooling air flow optimization in turbine stator blade design optimization
Why Simulate? Convective Cooking of Chicken Patties! just for fun! (?)
How to Simulate? philosophy of Finite Element Modeling
3 Fundamental Concepts Define Physical Phenomena Discretize as PDEs the Domain Solve for each node & Color! To Results!
پپپDzԡ Chopping down a continuum body into finite number of elements
Defining the Phenomena Define what happens to the system in form of Partial Differential Equations
Solve, Store & Color Low Medium High Solve the PDEs over the grid, store values at each node and color on RGB scale
How to do it by COMSOL? Getting Started
? Create CAD geometry or import Geometry ? Define material properties Materials ? Define parameters & custom Functions Global Definitions ? Choose/define PDEs to be solved & coupled PDE Choices ? Set boundary conditions for each PDE ? Create mesh Mesh ? Allot suitable mesh to specific PDE ? Choose study type Solver ? Choose numeric settings ? Visualize the contour plots Results/ Post-Processing ? Abstract results
Example One The Microfluidic Mixer
Today, the world needs state-of-art ?- TAS (Micro Total Analysis Systems) Micromixers are components of ?-TAS used for obtaining rapid mixing of fluid samples in a short Photocredits: orgatronics [dot] com
Simulating the Micromixer ڴǰܱپDz
PDEs in the domain Navier Stokes & Continuity Equations Convection-Diffusion Equation
Lets Begin! on to COMSOL

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COMSOL Training Series (NNMDC Initiative)

  • 1. COMSOL Training Series Session 1: Introducing COMSOL Simulating a Microfluidic Mixer
  • 3. What is Multiphysics? study of systems involving multiple simultaneous physical phenomena
  • 4. Reaction Kinetics Heat Waves Transfer Physical System Electro- Fluid Flow magnetism And more!!
  • 5. Why Simulate? Eigen-frequency analysis on Crankshaft design validation
  • 6. Why Simulate? Cooling air flow optimization in turbine stator blade design optimization
  • 7. Why Simulate? Convective Cooking of Chicken Patties! just for fun! (?)
  • 8. How to Simulate? philosophy of Finite Element Modeling
  • 9. 3 Fundamental Concepts Define Physical Phenomena Discretize as PDEs the Domain Solve for each node & Color! To Results!
  • 10. پپپDzԡ Chopping down a continuum body into finite number of elements
  • 11. Defining the Phenomena Define what happens to the system in form of Partial Differential Equations
  • 12. Solve, Store & Color Low Medium High Solve the PDEs over the grid, store values at each node and color on RGB scale
  • 13. How to do it by COMSOL? Getting Started
  • 14. ? Create CAD geometry or import Geometry ? Define material properties Materials ? Define parameters & custom Functions Global Definitions ? Choose/define PDEs to be solved & coupled PDE Choices ? Set boundary conditions for each PDE ? Create mesh Mesh ? Allot suitable mesh to specific PDE ? Choose study type Solver ? Choose numeric settings ? Visualize the contour plots Results/ Post-Processing ? Abstract results
  • 15. Example One The Microfluidic Mixer
  • 16. Today, the world needs state-of-art ?- TAS (Micro Total Analysis Systems) Micromixers are components of ?-TAS used for obtaining rapid mixing of fluid samples in a short Photocredits: orgatronics [dot] com
  • 18. PDEs in the domain Navier Stokes & Continuity Equations Convection-Diffusion Equation
  • 19. Lets Begin! on to COMSOL