introductory FLUENT training

Transcription

Introduction to FLUENT
Introductory FLUENT Training
© 2006 ANSYS, Inc. All rights reserved.
ANSYS, Inc. Proprietary
Introductory FLUENT Notes
FLUENT v6.3 December 2006
Fluent User Services Center
www.fluentusers.com
FLUENT is an ANSYS Product

ANSYS, Inc.
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Global Headquarters in Canonsburg, PA - USA (south of Pittsburgh)

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Development and sales offices in U.S. and around the world
Publicly traded on NASDAQ stock exchange under “ANSS”
All FLUENT products will be integrated into the ANSYS product line.
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Orientation

Agenda
Tuesday
Wednesday
Thursday
Friday
FLUENT
(Part 1)
FLUENT
(Part 2)
GAMBIT
(Part 1)
GAMBIT
(Part 2)
One-on-One
Consulting
Facilities
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Monday
Lunches
Restrooms
Smoking area
Visitor parking
Visitor badges
Goals of introductory FLUENT training
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Problem setup

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Creating the model – Geometry and mesh generation
Using the solver – Problem setup, execution, and postprocessing
Establish contact with your support staff
Begin your own CFD project

We recommend working on relevant FLUENT and GAMBIT tutorials first.
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Agenda (Day 1)
8:00 – 8:30
8:30 – 9:00
9:00 – 9:30
9:30 – 11:15
11:15 – 12:00
Introduction to ANSYS/Fluent
Lecture – Introduction to CFD Analysis
Demonstration: Overview of the CFD Process
Tutorial Session – Tutorial #1 (3D Mixing Elbow)
Lecture – Solver Basics
12:00 – 1:00
Lunch
1:00 – 2:00
2:00 – 3:00
3:00 – 4:00
4:00 – 5:00
Lecture – Boundary Conditions
Tutorial Session
Lecture – Solver Settings
Tutorial Session
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Agenda (Day 2)
8:00 – 9:00
9:00 – 10:30
10:30 – 11:15
11:15 – 12:00
Lecture – Turbulence Modeling
Tutorial Session
Lecture – Heat Transfer Modeling
Lecture – User Defined Functions
12:00 – 1:00
Lunch
1:00 – 2:00
2:00 – 3:00
3:00 – 4:00
4:00 – 5:00
Lecture (Optional) – Multiphase Modeling
Lecture (Optional) – Reacting Flow Modeling
Lecture (Optional) – Moving Zone Models
Tutorial Session
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Technical Support

Eleven business teams
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Turbomachinery & Aircraft
Space, Defense & Marine
Electronics and Semiconductor
Glass, Plastics & Materials
Power Generation
Chemicals and Consumer Products
Petroleum
Health Care and Water
HVAC and Appliances
Automotive – Power Train
Automotive – Aerodynamics/Thermal
Each team has its own sales and support/consulting engineers.
FLUENT’s User Services Center (USC) and Online Technical Support (OTS)
portal created to enhance your access to technical support.
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Please register today!
Services include
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Release information
Download updates
Documentation
Supported platform
Defects and workarounds
Presentations
Training materials
Online technical support

OTS overview and demo
via web-based training
Quick reference guide
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User Services Center Registration

Using a web browser, access the FLUENT corporate
web page at www.fluent.com
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Take the Technical Support link under Services.
Scroll down and click the Register Now button.
After registering, you will receive an e-mail with
your USC login and password at the address you
provided on the registration page.
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Online Technical Support

Access from the USC
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Same account as USC
Services include:

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Find solutions
Ask a technical support question
Monitor status of previous question
Automatic updates
A web-based training module is
available for download.
Exchange files with support staff
(anonymous FTP)
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ftp to ftp.fluent.com
Log in as ftp and use your e-mail
address as the password.
cd to incoming/xxx or
outgoing/xxx and put files in
binary mode.

xxx are the support engineer’s
initials.
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Web-Based Trainings

Web-based training courses are
available from our
LearningCFD.com web site.
Modules can be downloaded to
your computer and viewed as
many times as you like
More modules are planned and
will be available in the near
future.
www.learningcfd.com/login/online/index.htm
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ANSYS U.S. Regional Conferences

Attend an ANSYS Regional
Conference and:
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2007 User Group Meetings planned
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Meet with ANSYS/FLUENT users
and staff.
Attend training seminars.
Learn other applications presented
by users and staff.
Provide input to future software
development
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South – Houston, TX (February)
East – Washington DC area (April)
West – California (May)
North – Detroit area (September)
Exact dates will be announced in
FLUENT publications.
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Fluent News
Fluent eNews
ANSYS Solutions
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FLUENT Products Integrated Into ANSYS Product Suite

FLUENT – General purpose CFD solver for a wide range of industries.
Fidap – Finite element-based CFD solver used for polymer processing
applications.
Polyflow – Spectral element solver used for extrusion, blow molding
and viscoeleastic flow applications.
FLUENT for Catia – FLUENT is embedded in Catia 5 to allow CFD to be
done in the Catia PLM environment.
GAMBIT – Preprocessor for FLUENT, Fidap and Polyflow
TGrid – Preprocessor that can generate a tet/hybrid mesh from an
imported surface mesh.
See the Appendix for more details on these products.
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FLUENT Products Integrated into ANSYS Product Suite

Icepak – Has a custom-built interface on top of FLUENT solver used for
analyzing electronics cooling applications.
Airpak – Has a custom-built interface on top of FLUENT solver used for
solving ventilation/environmental contamination problems.
MixSim - Has a custom-built interface on top of FLUENT solver used to
solve mixing tank problems
FloWizard – Has a wizard-driven interface that sits on top of FLUENT
and GAMBIT that can be easily used by non-CFD specialists.
CoolSim – An interface to perform analysis of data center air flow and
cooling load requirements.
See the Appendix for more details on these products.
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Other ANSYS Products

ANSYS, Inc. family of products include the following:
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ANSYS – Advanced nonlinear mechanical and
multiphysics FEA solution capabilities
ANSYS Workbench – Complete environment for geometry
modeling, mesh manipulation, structural/thermal analysis,
and optimization, which is tightly integrated with CAD
packages.
ANSYS CFX – General purpose CFD solver, including the
coupled, parallel ANSYS CFX solver.
ANSYS ICEM CFD – Powerful meshing tools with general
pre- and post-processing features, including ICEM CFD for
generating complex CFD grids and AI*Environment for
creating sophisticated structural FEA meshes
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ANSYS Workbench Overview

ANSYS Workbench comprises seven modules:
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Simulation for performing structural and thermal analyses using the ANSYS
solver
CFX-Mesh for generating a mesh for the ANSYS CFX solver
DesignModeler for creating and modifying CAD geometry to prepare the
solid model for use in Simulation or CFX-Mesh
DesignExplorer and DesignExplorer VT for investigating the effect of
variations input to the response of the system
FE Modeler for translating a Nastran mesh for use in ANSYS
Advanced CFD for performing CFD analyses using the ANSYS CFX solver.
Advanced Meshing for generating complex CFD grids and sophisticated
structural FEA meshes using ICEM CFD
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Advanced Meshing
Advanced CFD
ANSYS Workbench
Simulation
DesignModeler
DesignXplorer (VT)
CFX-Mesh
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FE Modeler
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Documentation

Documentation for all products is
available at www.fluentusers.com
A separate CD for each product is
available which contains all
manuals for that product.
Two formats are available
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HTML – Useful for general
viewing and searching. Limited
printing.
Adobe Portable Document
Format (PDF) – Useful for
printing high quality pages.
Fluent 6.3 Documentation Web Page at
www.fluentusers.com
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Training Evaluation

Evaluation forms handed out
with training materials.
Your feedback helps us improve
our training materials and
methods.
Please turn in your evaluations
forms before you leave.
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Appendix
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FLUENT

FLUENT applications:
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External/internal automotive flows and
in-cylinder flows
High-speed aerodynamics
Rocket flows
Turbomachinery
Chemical reactors
Cyclones
Bubble columns
Mixing vessels
Fluidized beds
Flow-induced noise
Moving and dynamic mesh
Many more!
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Surface pressure distribution in an
automotive engine cooling jacket.
Instantaneous solids concentration in a
riser indicating uniform distribution of
catalyst at the riser head.
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FIDAP

Pulsatile Flow in an Artery with a
Compliant Vein Graft
FIDAP application examples:
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Polymer processing – Non-Newtonian
flow in extrusion dies
Thin film coating
Biomedical – Oxygenators, blood
pumps, deforming arteries.
Semiconductor crystal growth
Other metal, glass, can chemical
processing problems.
Velocity
Contours
Deforming artery
Rigid artery
Initial Mesh
U inlet = U 0 sin (ω t )
Rigid
Wall
Compliant
Wall
Rigid
Wall
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Time History Plot of Wall Shear Rate
Showing Effect of Wall Deformations.
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POLYFLOW

POLYFLOW is a finite element
solver for laminar, viscous flows
Useful with complex rheology
and free surfaces.
Applications:
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Extrusion, coextrusion, die
design
Blow molding, thermoforming
Film casting, glass sheet
forming/stretching, fiber
drawing
Chemical reactions, foaming
Viscoelastic flows (“memory
effects”)
Inverse Die Design:
Determines die geometry based
upon desired extruded shape.
Requested part shape and calculated die
lip shape for a rubber car door seal.
Blow molding simulation of a
gas tank using the membrane
element.
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FLUENT for CATIA V5 brings CFD
analysis into the CATIA V5 PLM
environment.
Fully imbedded in the analysis infrastructure
of CATIA V5:
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Flow volume extraction
meshing
simulation
post-processing
knowledgeware and data management
Full generative associativity between
geometry and CFD models
FLUENT for CATIA V5 can be deployed
throughout the full product life cycle.
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GAMBIT

A single, integrated
pre-processor for
CFD analysis.
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Geometry
creation
Mesh generation
Mesh quality
examination
Boundary zone
assignment
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TGrid

A pre-processor for
tet/hybrid mesh
generation.
Useful when starting
with triangular
surface mesh.
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IcePak

IcePak is focused on electronics
cooling design:
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Cooling airflow, heat conduction,
convection and radiation heat
transfer
The user interface and automatic
meshing are tailored for applications
such as:
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Cabinet design
Fan placement
Board-level design
Heat sink evaluation
Flow pathlines and temperature
distribution in a fan-cooled computer
cabinet.
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AirPak

Simplifies the design and analysis of
ventilation systems
Accurate, quick, and easy-to-use design tool
that empowers designers and professionals,
without extensive backgrounds in computer
applications, to utilize the powers of
advanced CFD tools
Optimize your designs or pinpoint problems
based on accurate predictions of airflow
patterns, thermal conditions, comfort
conditions, and/or contamination control
effectiveness
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MixSim

MixSim is a specialized user interface that allows quick and easy set-up
of mixing tank simulations.
The tank size, bottom shape, baffle configuration, number and type of
impellers, etc. are specified directly.
The mesh and complete problem definition are then automatically
created.
Other features
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Impeller libraries from leading equipment
manufacturers
Transient sliding mesh, steady-state multiple
reference frame models
Non-Newtonian rheology
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FloWizard

Our first general purpose CFD
product for non-specialists driven
by FLUENT and GAMBIT.
FloWizard’s focus is on ease of use
and automation:
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It is a highly-automated, “first
pass” simulation tool for use in
basic flow and heat transfer
calculations.
A wizard-based interface guides
the user through all the steps of a
CFD analysis, from problem setup to post-processing.
The user is insulated from
specialized CFD parameters,
such as discretization and
turbulence model choices.
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ANSYS Workbench also consists of the TurboSystem, which is an
industry specific solution for designing rotating machines. It consists
of the following additional modules:
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BladeModeler an efficient 3-D rotating machinery design tool for bladed
components.
TurboGrid a high quality hexahedral meshing tool for blade design.
TurboGrid
BladeModeler
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DesignModeler Overview

DesignModeler (DM) is a
component of ANSYS Workbench.
A CAD-like modeler with
analysis modeling goals:
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Performs unique geometry
modification capabilities for
simulation:

DesignModeler
Feature Simplification
Enclosure Operation
Fill Operation
Spot Welds
Split Surfaces
Surface Model Extraction
Planar Body Extraction
Beam Modeling
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DesignModeler Overview

Contains parametric modeling
capability:
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2D Sketcher with Dimensions
and Constraints
Integrates directly with ANSYS
Workbench modules
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DesignModeler
Simulation
CFX-Mesh
Advanced Meshing (ICEM)
DesignXplorer
BladeModeler
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CFX-Mesh Overview

CFX-Mesh is a component of
Workbench designed for
generating CFD meshes for
the ANSYS CFX Solver.
Creates mesh in “solid”
regions
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Simple user inputs
Tightly coupled with
DesignModeler
Hybrid mesh approach
Capable of generating large
meshes
Advanced mesh refinement
controls
Produces a “native-format”
CFX gtm file
CFX-Mesh
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CFX-Mesh Overview

Hybrid mesh approach

Triangular surface mesh

Prismatic/Inflated mesh

Pyramidal intermediate elements

Tetrahedral mesh generator
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