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ANSYS FLUENT Tutorials - Michael Thompson

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ANSYS FLUENT Tutorials

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Education Conference… Fellowships… NSF National Science Foundation RESUME and Personal Statement Fellowships Ford Foundation HOUSING

Interests Fitness LEGO ROBOTICS MOTIVATION NEWS Useful websites Internships in Industry

Outreach-STEAM MAVs Positions Held RELIGION

Research Past Research A. Spring 2013 Research Fall 2012 Research Fall 2013, Develop… of a Biomime… Inspired Bumbleb… Flapping Wing Micro Air Vehicle

NSF-REU Weekly Schedule Make daily schedule each week at the start of the week Week 1.  Done Week 2. ALMOST DONE Learn ANSYS 13 Do 2D and 3D models (fluid or structure) Simple first, complex later Cornell and Book Tutorials Animation Tutorials inside of Ansys If unable, learn TecPlot If unable, learn Paraview https://confluence.cornell.edu/display/SIMULATION/FLUENT+Learning+Mod Mike-Bring in Lab reports + ANSYS 13 Book Chase-Bring in intermediate fluids notes and book Butterfly made in SOLIDWORKS is here! Week 3. Start Butterfly Models Steady scale models Unsteady Scale Models UDF for variable boundary conditions UDF for varying the velocity in FLUENT Bottom plate with scales are moving Top plate moving for comparison Dynamic Meshing John’s 2D external flow model Start Supersonic Fuel Injector Models Week 4. More butterfly models 3D Steady and Unsteady Couette Flow w/ Cavities Results Briefing More supersonic fuel injector models Week 5. Week 6. Week 7.

https://sites.google.com/a/asu.edu/michael-thompson/projects/past-research/summer-research-2012/ansys-fluent-tutorials[1/10/2014 9:52:00 PM]

ANSYS FLUENT Tutorials - Michael Thompson Drone Force and Moment Charact… of Flapping Wings for Micro Air Vehicle Applicat… Modeling, Analysis, Control and Design of Micro Air Vehicles and Nano Air Vehicles Numerical Recipes professor of the year Publicati… REU NSF at UA REU NSF FURI/WA… SUMMER RESEARCH 2012 3D Adia… Com… (Laye… Rem… and Spring Smo… 3D Flapp… Wing Simu… ANSYS FLUE… Tutor… c++ CON… LAW FOR FWMAV Deriv… EOM for Flapp… Micro Air Vehicle Flapp…

3D simulation- Butterfly Week 8. 3D simulation- Butterfly Week 9. 3D simulation- Butterfly

Week 10 Compile all results

WEEK 2 DAILY SCHEDULE: Learning FLUENT https://confluence.cornell.edu/display/SIMULATION/FLUENT+Learning+Modules

Tuesday: 8AM: Begin first Tutorial from Cornell: 1) Flat Plate Boundary Layer https://confluence.cornell.edu/display/SIMULATION/FLUENT++Flat+Plate+Boundary+Layer+-+Problem+Specification Key Points to take away: Geometry-surface from sketch Meshing-edge sizing What is a Bias Factor? The ratio of the longest division and the shortest division Fluent- 64 bits for double precision and 32 bits for single-precision  The downside of using double precision is that it requires more memory. Fluent- Plotting from Blasius direct theoretical solution When Plotting make sure to rename whatever plot ending in “.xy” as you plot in the XY PLOT section

2) Steady and Unsteady Flow past a cylinder https://confluence.cornell.edu/display/SIMULATION/FLUENT+12.1++Steady+Flow+Past+a+Cylinder+-+Problem+Specification ;   Key Points to take away:

https://sites.google.com/a/asu.edu/michael-thompson/projects/past-research/summer-research-2012/ansys-fluent-tutorials[1/10/2014 9:52:00 PM]

ANSYS FLUENT Tutorials - Michael Thompson Flight Matlab Butte… Flapp… simul… Nom… (NX) Setup Nonli… Aircraft Simu… in MAT… Refer… SIMU… CON… DESIGN Store Sepa… from a 3D Delta WIng To Dos USEING the EOM for FWMAV WAESO SUM… 2012 Throttle data Spring 2014,Devel… of a Biomimetic… Inspired Bumblebee Flapping Wing Micro Air Vehicle Drone

Societies AIAA SHPE de ASU

geometry- create surface from sketch. 2D model Boolean operation (subtration-create)-outer surface body as target body inner surface body as tool body Sketching line on y-axis of both circles and trim away outer and inner part to creat two lines concept--> line from sketch to create the line body tools--> projection for surface body as target and two lines as the edge Mesh-18432 elements 192 circumferential divisions;96 radial divisions Mapface meshing/ Biasing to increase number of elements close to cylinder Radial edge sizing; type=number of divisions=96 Behavior=hard; Bias type=___ __ _ Bias factor= 460 Create named selections: farfield 1, farfield 2, cylinderwall and in fluent it creates the interiors themselves. Fluent: cylinderwall=type=wall farfield= type=velocity inlet=1m/s farfiled2=pressure outlet interior surfacebody; surface body Reference value=density=1kg/m^3 viscosity=0.05kg/m*s momentum=second order upwind scheme Residuals--> xvelocity=1e-6;  yvelocity=1e-6 (for absoulte criterion) Monitors=Drag=EDIT=print to console and plot solution initialization=1m/s (x-direction) number of iterations= 2,000 solution converged after 1647 iterations. https://confluence.cornell.edu/display/SIMULATION/FLUENT+12.1++Unsteady+Flow+Past+a+Cylinder+-+Problem+Specification Same geometry and mesh as steady state flow past a cylinder FLUENT solution-monitors-lift-ck print to console and write soln initialization-adapt-region- xmin=0.5m, xmax=32m, ymin=0, ymax=032m click mark then click close soln-soln initialization-set compute from the farfield1-click initiate patch-value-0.2 highlight the zone to patch, hexahedron, and yvelocity ADVANCE SOLUTION IN TIME soln-run calculation-time step size=0.2sec number of time steps=200 click to calculate. Now, have a bottle of Mountain Due Continue time stepping until you get sinusoidal variation in the lift coefficient 3) Flow over a wing https://confluence.cornell.edu/display/SIMULATION/ANSYS+WB+-+Airfoil++Problem+Specification

https://sites.google.com/a/asu.edu/michael-thompson/projects/past-research/summer-research-2012/ansys-fluent-tutorials[1/10/2014 9:52:00 PM]

ANSYS FLUENT Tutorials - Michael Thompson

588 days since SHPE de ASU FE Prep

505 days since Graduate School

4) Forced and Steady Convection https://confluence.cornell.edu/display/SIMULATION/FLUENT++Forced+Convection+-+Problem+Specification ; https://confluence.cornell.edu/display/SIMULATION/ANSYS+WB++2D+Steady+Convection+-+Problem+Specification 5) Compressible flow in a nozzle and Supersonic flow past a wedge (Chasesolving in C++)

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https://confluence.cornell.edu/display/SIMULATION/FLUENT++Compressible+Flow+in+a+Nozzle-+Problem+Specification ; https://confluence.cornell.edu/display/SIMULATION/FLUENT++Supersonic+Flow+Over+a+Wedge+-+Problem+Specification

Wednesday Finish Cornell tutorials Book tutorials-Chase fill in the rest tonight Ansys Workbench 13 Section 2.2 & 3.1 - Triangular Plate (2D Example) Section 4.2 & 5.2 - Cylinder Cover (3D Example) (edit and finish) Section 4.1 & 6.2 - Beam Bracket (surface model, optional) Section 7.3 - Two Story Building (mixed line and surface model, optional) Section 8.2 - Triangular Plate (2D Design Optimization) Section 9.2 - Cylinder Cover (Mesh Control and Optimization)

CFD Book Learning-Mike Computational Fluid Dynamics Fourth Edition Volume 1. Klaus A. Hoffmann Steve T. Chiang Chapter seven: Scalar Representaion of the Navier-Stokes Equations..........................272 7.3 Equations of Fluid Motion 7.4 Numerical Algorithms ….............................................................................................276 7.4.1 FTCS Explicit..............................................................................................276 7.4.2 FTBCS Explicit............................................................................................277 7.4.3 DuFort-Frankel Explicit.................................................................................277 7.4.4 MacCormack Explicit...................................................................................277 https://sites.google.com/a/asu.edu/michael-thompson/projects/past-research/summer-research-2012/ansys-fluent-tutorials[1/10/2014 9:52:00 PM]

ANSYS FLUENT Tutorials - Michael Thompson

7.4.2 FTBCS Explicit............................................................................................277 7.4.2 FTBCS Explicit............................................................................................277 7.5 Applications: Nonlinear problem.................................................................................280 7.7 Problems....................................................................................................................295

Chapter Eight: Incompressible Navier-Stokes Equations.......................................................................302 8.6 Boundary Conditions.................................................................................................322 8.8 Numerical Algorithms: Vorticity-Stream Function Formulation....................................337 8.9 Boundary Conditions.................................................................................................343 8.12 Problems................................................................................................................357

Chapter nine: Grid Generation-Structured Grids........................................................................................358 9.3 Metrics and the Jacobian of Transformation.................................................................363 9.6 Practical Differential Equations Techniques...................................................................383 9.11 Problems....................................................................................................................420

Appendices Appendix  A Appendix B Appendix C Appendix D Appendix E Appendix F Chapter one: Classification of Partial Differential Equations..............................................................3 1.13 Problems...............................................................................................................25 https://sites.google.com/a/asu.edu/michael-thompson/projects/past-research/summer-research-2012/ansys-fluent-tutorials[1/10/2014 9:52:00 PM]

ANSYS FLUENT Tutorials - Michael Thompson

Obtain cheap speakers for the computer lab!!

Thursday Finish Any remaining Tutorials Liquid Fuel Combustion Tutorial 9. UDF in FLUENT http://my.fit.edu/itresources/manuals/fluent6.3/help/html/udf/node42.htm http://www.engr.uconn.edu/~ewebhk/buttons/flfem/fluent5/training/train89.pdf http://www.ara.bme.hu/oktatas/tantargy/NEPTUN/BMEGEATMW02/20102011-I/10b_ANSYS_UDF_Intro.pdf Batch Mode in FLUENT- use C++ to write/compile the files -Look at the pdfs I gave you.  One of them is on BATCH mode for an earlier version of FLUENT.  Shouldn’t be too different with ANSYS.  Read in a journal file with commands given in a precise order for your particular model.  Sit back, drink a cup of coffee. Bash in Linux- execute the Batch commnads Seminar Lunch - Research Plan Presentations - Lab tours - FREE FOOD

Friday Anything remaining from Thursday Useful FLUENT Wiki link http://www.cfd-online.com/Wiki/Fluent_FAQ

Solidworks Tutorials http://www.solidworks.com/sw/resources/solidworks-tutorials.htm WEEK 3 DAILY SCHEDULE:

Start Butterfly Simulations

Monday John can you show Michael how to run BASh script in linux and Batch mode for FLUENT https://sites.google.com/a/asu.edu/michael-thompson/projects/past-research/summer-research-2012/ansys-fluent-tutorials[1/10/2014 9:52:00 PM]

ANSYS FLUENT Tutorials - Michael Thompson

look at the stuff in the email

Tuesday UDF’s Sinusoidal Wall Temperature Temperature Dependent Viscosity GRE PREP PDEs Dynamic Meshing 2D and 3D Adiabatic Compression (3 Tutorials) GRE PREP PDEs

Wednesday Dynamic Meshing and UDF’s Using UDF’s to control the dynamic mesh of an oscillating membrane http://www.stanford.edu/class/me469b/handouts/programming.pdf  useful UDF link

GRE PREP PDEs

Thursday Chase - Construct shark skin model, modify butterfly scale model Michael - be able to compile and run UDF codes GRE PREP PDEs

Friday Anything left over from Thursday Begin looking at Rotating Machinery, Multi-phase Flow, Reacting Flow,

GRE PREP PDEs

Training : FLUENT : Intermediate/Advanced : Tutorials http://www.fluentusers.com/fluent/training/intermediate/tutorials/index.htm

Tutorials with a Focus on Reacting Flow Applications

Coal Combustion with Eddy Break Up (EBU) Model https://sites.google.com/a/asu.edu/michael-thompson/projects/past-research/summer-research-2012/ansys-fluent-tutorials[1/10/2014 9:52:00 PM]

ANSYS FLUENT Tutorials - Michael Thompson

PDF File| Solution files Modeling Liquid Reactions in a CIJR using the Unsteady Laminar Flamelet Model PDF File | Solution Files Simulation of a Piloted Jet Flame using Unsteady Laminar Flamelet Model PDF File | Solution Files 2D Simulation of a 300 KW BERL Combustor Using the Magnussen Model PDF File| Solution files Premixed Flow in a Conical Chamber using the Finite-Rate Chemistry Model PDF File| Solution files PDF Transport Simulation of a Piloted Jet Diffusion Flame PDF File | Solution Files Liquid Fuel Combustion PDF File | Solution Files 3D Simulation of 300 kW BERL Combustor Using the Laminar Flamelet Model PDF File | Solution Files NOx Modeling with the SNCR Model Using Urea Injection PDF File | Solution Files Modeling Liquid Reactions in a CIJR using the Unsteady Laminar Flamelet Model PDF File | Solution Files Simulation of a Piloted Jet Flame using Unsteady Laminar Flamelet Model PDF File | Solution Files EDC Simulation of a Piloted Jet Diffusion Flame PDF File | Solution Files Premixed Combustion in a Conical Chamber using the Zimont Model PDF File | Solution Files Modeling Surface Reaction in a Single Circular Channel PDF File | Solution Files Multiple Char Reactions PDF File | Solution Files Partially Premixed Combustion in a Coaxial Combustor PDF File | Solution Files Modeling Evaporation of Liquid Droplets in a Circular Channel PDF File | Solution Files

Tutorials with a Focus on Multiphase Flow Applications

Heat and Mass Transfer with the Mixture Model PDF File | Solution files Hydrodynamics of Bubble Column Reactors PDF File | Solution Files Horizontal Film Boiling PDF File | Solution Files Dam-Break Simulation Using FLUENT's Volume of Fluid https://sites.google.com/a/asu.edu/michael-thompson/projects/past-research/summer-research-2012/ansys-fluent-tutorials[1/10/2014 9:52:00 PM]

ANSYS FLUENT Tutorials - Michael Thompson

Model PDF File | Solution Files Using FLUENT's Erosion Model to Investigate Erosion in a 90 degree Elbow Bend PDF File | Solution Files Using the Eulerian Multiphase Model with Species Transport PDF File | Solution Files Modeling Flow and Heat Transfer in Packed Bed Reactor PDF File | Solution files Modeling Rapid Condensation of Steam in a 2D Laval Nozzle PDF File | Solution files Solving a 2D Box Falling into Water PDF File | Solution Files Modeling Uniform Fluidization in 2D Fluidized Bed PDF File | Solution Files Modeling Bubble Breakup and Coalescence in a Bubble Column Reactor PDF File | Solution Files Spin Coating of a Rotating Circular Glass Substrate PDF File | Solution Files Fuel Tank Sloshing PDF File | Solution Files Continuous Steel Casting of a Round Billet PDF File | Solution Files Modeling the Effect of Sedimentation Concentration in a Secondary Clarifier using a UDF PDF File | Solution Files Modeling Nucleate Boiling using FLUENT PDF File | Solution Files

Tutorials with a Focus on Dynamic Mesh Applications

2D Adiabatic Compression (Remeshing and Spring Smoothing) PDF File | Solution Files 2D Adiabatic Compression (Layering) PDF File | Solution Files 3D Adiabatic Compression (Layering, Remeshing, and Spring Smoothing) PDF File | Solution Files Solving a 2D Box Falling into Water PDF File | Solution Files Simulating a 2D Check Valve using FLUENT's Dynamic Mesh Model and Spring Smoothing PDF File | Solution Files Submarine Docking Simulation Using MDM Model PDF File | Solution Files Using a UDF to Control the Dynamic Mesh of a Flexible Oscillating Membrane PDF File | Solution Files https://sites.google.com/a/asu.edu/michael-thompson/projects/past-research/summer-research-2012/ansys-fluent-tutorials[1/10/2014 9:52:00 PM]

ANSYS FLUENT Tutorials - Michael Thompson

Solving a 2D Vibromixer Problem Using the Dynamic Mesh Model PDF File | Solution Files Store Separation from a 3D Delta Wing PDF File | Solution Files Projectile Moving Inside a Barrel PDF File | Solution Files

Tutorials with a Focus on User Defined Functions

Calculation of Flow Uniformity PDF File | Solution Files Position Dependent Porous Media PDF File | Solution Files Temperature Dependent Viscosity PDF File | Solution Files Using a UDF to Control the Dynamic Mesh of a Flexible Oscillating Membrane PDF File | Solution Files Sinusoidal Wall Temperature Variation PDF File | Solution Files Modeling the Effect of Sedimentation Concentration in a Secondary Clarifier using a UDF PDF File | Solution Files http://www.stanford.edu/class/me469b/handouts/programming.pdf   useful link for UDF’s

Tutorials with a Focus on Heat Transfer Applications

Using Solar Load Model for Indoor Ventilation PDF File | Solution Files Solving a Conjugate Heat Transfer Problem with FLUENT PDF File | Solution Files

Tutorials with a Focus on Fuel Cell Applications

SOFC Model PDF File | Solution Files Modeling a Single-Channel, Counter-Flow Polymer Electrolyte Membrane (PEM) Fuel Cell PDF File | Solution Files

Tutorials with a Focus on Rotating Machinery Applications

https://sites.google.com/a/asu.edu/michael-thompson/projects/past-research/summer-research-2012/ansys-fluent-tutorials[1/10/2014 9:52:00 PM]

ANSYS FLUENT Tutorials - Michael Thompson

Solving Transonic Flow over a Turbine Blade with TurboSpecific Non-Reflecting Boundary Conditions (NRBCs) PDF File | Solution Files Vane Pump Modeling in FLUENT PDF File | Solution Files

CFD FLUENT Research Tutorial on transient Couette flow over a grooved surface Do the prescribed tutorials mentioned above.  Even the structures based tutorials.  It is very important for the user to be proficient with the geometry modeler and meshing program in Ansys.  These two programs are used for building the model and the mesh used in the analysis, and there is no room for error.   Spend at least two to three days, if not a full week, on learning the Ansys 13 program and finishing all of the tutorials.  Afterwards, begin research project.

Introduction:

https://sites.google.com/a/asu.edu/michael-thompson/projects/past-research/summer-research-2012/ansys-fluent-tutorials[1/10/2014 9:52:00 PM]

ANSYS FLUENT Tutorials - Michael Thompson

In the edevauer of creating a 3D simulation of the butterfly in the CFD solver FLUENT much was learned such as the following: Flate plate boundary layer, simulations, Steady flow past a cylinder simulations,

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