Outline. ANSYS CFD Suite Modules & Structure. ANSYS CFD Professional - live demo. ANSYS Meshing for ANSYS CFD Professional

ANSYS CFD MODULES Outline • ANSYS CFD Suite – Modules & Structure – ANSYS Meshing for CFD @V17 – ANSYS CFD Professional – ANSYS CFD Flo – ANSYS CFX ...
Author: Terence Hubbard
8 downloads 1 Views 2MB Size
ANSYS CFD MODULES

Outline • ANSYS CFD Suite – Modules & Structure – ANSYS Meshing for CFD @V17 – ANSYS CFD Professional – ANSYS CFD Flo – ANSYS CFX – ANSYS FLUENT – ANSYS CFX/FLUENT/CFD extra capabilities – Bundled & unbundled solutions – Other CFD related product

• ANSYS CFD Professional - live demo

Geometry preparation ƒ

SPACE CLAIM - Direct Modeling – – –

Extreme ease of use Excellent for non CAD users Ease of use to create model from scratch

ƒ

DESIGN MODELER - Feature-Based Modeling – – –

Persistent: usage history captured Associative: can utilize parameters and attributes defined in the major CAD systems Strong solid modeling capabilities

Geometry Interfaces @R17

4

Geometry Interfaces @R17

5

ANSYS CFD Products - Meshing Modules ANSYS MESHING GENERAL PURPOSE

TURBO

Workbench Meshing

ICEM CFD

Fluent Meshing

Auomatic Persistent Mutliphisic

Advanced mesh editing Fully hex meshing

Advanced mesh editing Geometry wrapping

ANSYS TURBOGRID Turbo mesh • •

automatic template based

Feedback From Customers Across Various Industries Areas Of Improvements

• Workflow Pervasiveness • Integrated Geometry Meshing Solutions • Assembly, Part Management • CAD and Mesh Manipulation Tools • Solver Checks @ The Pre Processing Stage ITS ALL ABOUT THE PROCESS/WORKFLOW

User Efforts Key Steps Job submit, monitor,..

ANSYS CFD Products – Pre, Solver, Post modules ANSYS CFD ANSYS CFD Professional

ANSYS CFD-Flo

ANSYS CFX

ANSYS FLUENT

Basic fluid flow and heat transfer

Fluid flow, heat transfer, cavitation, …

Advanced fluid flow and heat transfer

Advanced fluid flow and heat transfer

Increasing simulation capabilities

ANSYS CFD Professional Basic tool for entry level users, accessed through the powerful cfx engine

Temperature mixing

Analyses type allowed • Steady analyses • Uncompressible flows • One-phase flows • Convective heat transfer • Conjugate heat Transfer Suitable for • Mono-phase valves, pipe connections and junctions • Heat exchangers (no phase change) • Mass flow split calculations • Pressure drops calculations • Temperature mixing Account for • HPC usage • What if / optimization / Six Sigma analyses Limitations • Constant property materials • K-ᖡ turbulence model only

Valve

ANSYS CFD Flo Intermediate tool for beginners engineers as well as expert users. It is a sub-group of ability inside ANSYS CFX Analyses type allowed • Steady/Unsteady analyses • Compressible/Uncompressible flow • One-phase flows • Multi-phase allowed only for cavitation and free surface flows • Convective, conjugate and radiation (*) heat transfer • Deforming mesh • Turbulence models extension (SST, anisotropic RSM) • FSI Suitable for • Cavitating valves, Heat exchangers • Mass flow split and pressure drop calculations • Vortex Shedding, Aeroacustic (*), … Limitations • Rotating machinery, full radiation models, full multiphase models, combustion (*) limited set of features capabilities

Low Temperature Heat Exchanger

ANSYS CFX Full featured CFD tool Analyses type allowed • Steady/Unsteady analyses • Compressible/Uncompressible flow • Lagrangian and Eulerian multiphase flows • Convective, conjugate and radiation heat transfer • Full turbulence models extension • Combustion • FSI • Rotating Domain (turbomachinery) • Aeroacustic capabilities (*) • Extra embedded capabilities/modules (see next slides) Suitable for • Every scenario where cfd can help and can be applied to

Courtesy of Valeo Sylvania

(*) limited set of features capabilities

ANSYS CFX EXTRA CAPABILITIES Turbo Pre-Processing •

Transient Blade Row • Ability to use time domain and/or frequency domain transformation to model few blade passages wit the same accuracy of the full machine



Blade Flutter • Complemented blade flutter analysis with ability to export complex pressures from transient flo simulation or load application in ANSYS Mechanical Compressor’s blade flutter

ANSYS FLUENT Full featured CFD tool Analyses type allowed • Steady/Unsteady analyses • Compressible/Uncompressible flow • Lagrangian and Eulerian multiphase flows • Convective, conjugate and radiation heat transfer • Full turbulence models extension • Combustion • FSI • Full aeroacustic capabilities • Extra embedded capabilities/modules (see next slides) Suitable for • Every scenario where cfd can help and can be applied to

Courtesy Dallara Automobili

ANSYS FLUENT EXTRA CAPABILITIES Adjoint Solver • •

• •



An efficient means of exploring a design space Understanding the most significant influences on a system in single computation A powerful gradient based shape optimization tool Computes input parameters sensitivity to guide design modification Includes Bernstein polynomial based mesh morphing technology

Three Shape Parameters 1. Backlight angle (T1) 2. Tumble home angle (T2) 3. Windshield angle (T3)

ANSYS CFD EXTRA CAPABILITIES 6 Degrees Of Freedom • Rigid Body solver • Implicit coupling with stagger iteration • Support CCL • Robust and easy-to-use motion prediction •

Available with • ANSYS CFD Flo • ANSYS CFX • ANSYS FLUENT

ANSYS CFD EXTRA CAPABILITIES - AEROACUSTIC CFD Approaches to Aeroacoustics Direct calculation – Computational Aeroacoustics (CAA) ƒ

2.

Coupled CFD with specialized acoustics code, Boundary Element Methods (BEM), Hybrid zonal methods ƒ ƒ

3.

Acoustic wave are not tracked with CFD solution Use special acoustics codes to calculate the wave propagation

Acoustic Analogy modeling ƒ ƒ

4.

Resolve the acoustic pressure fluctuations as part of the CFD solution

Use CFD to calculate source field Use analytical solution to propagate sound from source to receiver location

Decreasing computational effort

1.

Steady RANS based noise source modeling ƒ

Use empirical correlations to estimate acoustic 2. 3. 4. radiation based on mean1. flow solutions

ANSYS CFX

Y

Y

N

(*)

ANSYS FLUENT

Y

Y

Y

Y

(*)

fan noise macro & ccl

ANSYS CFD EXTRA CAPABILITIES – MULTIPHYSICS FSI

ANSYS strives to allow you to predict accurately the performance of products when this performance is impacted by interactions between different physics

Other CFD related Products ANSYS ICEPAK

ANSYS BLADE MODELER

ANSYS Vista TF

Fluent-based tool for robust and powerful CFD analyses for electronics thermal managment

Specialized easy-to-use tool for rapid 3D design of bladed rotating and stationary machinery components

Rapid preliminary optimization of turbomachinery designs based on 2D through flow analysis

Other CFD related Products – Reaction Design – CHEMKIN-PRO - chemical kinetics simulation ͻ Si concentra sulla chimica del problema utilizzando sistemi ideali per descrivere i flussi di reagenti e prodotti

– CHEMKIN-CFD - kinetics solver plug-in ͻ Permette l’utilizzo della tecnologia CHEMKIN-PRO in campo CFD

– CHEMKIN-PRO REACTION WORKBENCH ͻ Fornisce una piattaforma aggiuntiva per lo studio e l’analisi dei combustibili – Compara, unisce ed estrae i meccanismi di reazione – Determina la miglior composizione di miscele combustibili assegnando dei target di proprietà – Add-on di CHEMKIN-PRO

– ENERGICO™ - fast continuous-flow emissions simulations ͻ Automatizza la creazione di ERN (Equivalents Reactor Networks) e la mappatura dei risultati sulla geometria di partenza

– FORTÉ™ - CFD for IC Engine Designers ͻ Workflow specifico per simulazioni di motori a combustione – – – –

Generazione automatica di mesh Chimica dei fuel e di reazione accurata Modelli di Spray e Spray-Wall Rapidità di soluzione

19

FENSAP-ICE

Flow solution

Modular system leading to full In-Flight ice accretion simulations

Eulerian droplet impingement study

Ice accretion simulation

Several fields of application, as: icing studies and certification for aircrafts, helicopters, jet engines and also for wind turbines

20