COMSOL Training Series (NNMDC Initiative)
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COMSOL Training Series (NNMDC Initiative)

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COMSOL Training Series (NNMDC Initiative) COMSOL Training Series (NNMDC Initiative) Presentation Transcript

  • COMSOL Training SeriesSession 1:Introducing COMSOLSimulating 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 Flowmagnetism And more!!
  • Why Simulate?Eigen-frequency analysis on Crankshaft …design validation
  • Why Simulate?Cooling air flowoptimization in turbine stator blade…design optimization
  • Why Simulate? Convective Cooking ofChicken 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!
  • Discretization… 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 plotsResults/ Post-Processing • Abstract results
  • Example One …The Microfluidic Mixer
  • Today, the worldneeds state-of-art µ-TAS (Micro TotalAnalysis Systems)… Micromixers are components of µ-TAS used for obtaining rapid mixing of fluid samples in a short Photocredits: orgatronics [dot] com
  • Simulating the Micromixer …formulation
  • PDEs in the domain…Navier Stokes & Continuity EquationsConvection-Diffusion Equation
  • Let’s Begin! …on to COMSOL