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COMSOL Training SeriesSession 1:Introducing COMSOLSimulating a Microfluidic Mixer
Multiphysics Simulation           …what it is
…What is Multiphysics?              …study of systems involving              multiple simultaneous              physical p...
Reaction            Kinetics                          Heat Waves                        Transfer            Physical      ...
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                  ...
Discretization…              Chopping down a continuum              body into finite number of              elements…
Defining the Phenomena…             Define what happens to the             system in form of Partial             Different...
Solve, Store & Color…                              Low                              Medium                              Hi...
How to do it by COMSOL?         …Getting Started
• Create CAD geometry or import       Geometry                           • Define material properties       Materials     ...
Example One   …The Microfluidic Mixer
Today, the worldneeds state-of-art µ-TAS (Micro TotalAnalysis Systems)…                      Micromixers are              ...
Simulating the Micromixer          …formulation
PDEs in the domain…Navier Stokes & Continuity EquationsConvection-Diffusion Equation
Let’s Begin!   …on to COMSOL
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COMSOL Training Series (NNMDC Initiative)

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Transcript of "COMSOL Training Series (NNMDC Initiative)"

  1. 1. COMSOL Training SeriesSession 1:Introducing COMSOLSimulating a Microfluidic Mixer
  2. 2. Multiphysics Simulation …what it is
  3. 3. …What is Multiphysics? …study of systems involving multiple simultaneous physical phenomena
  4. 4. Reaction Kinetics Heat Waves Transfer Physical System Electro- Fluid Flowmagnetism And more!!
  5. 5. Why Simulate?Eigen-frequency analysis on Crankshaft …design validation
  6. 6. Why Simulate?Cooling air flowoptimization in turbine stator blade…design optimization
  7. 7. Why Simulate? Convective Cooking ofChicken Patties! …just for fun! (?)
  8. 8. How to Simulate? …philosophy of Finite Element Modeling
  9. 9. 3 Fundamental Concepts… Define Physical Phenomena Discretize as PDEs the Domain Solve for each node & Color! To Results!
  10. 10. Discretization… Chopping down a continuum body into finite number of elements…
  11. 11. Defining the Phenomena… Define what happens to the system in form of Partial Differential Equations
  12. 12. Solve, Store & Color… Low Medium High Solve the PDEs over the grid, store values at each node and color on RGB scale…
  13. 13. How to do it by COMSOL? …Getting Started
  14. 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 plotsResults/ Post-Processing • Abstract results
  15. 15. Example One …The Microfluidic Mixer
  16. 16. 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
  17. 17. Simulating the Micromixer …formulation
  18. 18. PDEs in the domain…Navier Stokes & Continuity EquationsConvection-Diffusion Equation
  19. 19. Let’s Begin! …on to COMSOL
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