Contract Year 1 Review CFD Bharat Soni Mississippi State University May 14, 2002.

Contract Year 1 ReviewCFD

Bharat Soni

Mississippi State University

May 14, 2002

13-17 May 2002 Contract Year 1 Review 2


Strategic Goals for CFD

• Top priorities: Improve Accuracy, Robustness, Confidence, Throughput, and Cost of

Performing complex CFD simulations associated with DoD missions Enhance Validation and Verification of CFD Tools to reduce cycle time and

improve design performance

• Concentrate on: Continuous capture and transition of best practices via training, software,

hardware and process improvements (Core) Collaborate with SRC users, CHSSI developers, Challenge Projects PIs and

National CFD Community (Core) Development/Enhancement of tools and technology to address parametric

geometry preparation, dynamic, adaptive and parallel mesh generation , and automated feature detection with improved data standards, interoperability and Problem Solving Environments

Methods for multi-physics coupling and highly complex physics Algorithms for simulation of Time Varying Geometries


CFD User Advisory Panel

• Robert Meakin (Army, Govt CTA Lead)• Frank Witzeman (AFRL/VAAC)• Tim Madden (AFRL/DEC)• Bonnie Heikinene(AEDC)• Charlie Berger (ERDC)• William Sandberg (NRL)• Susan Polsky (NAVAIR)• Jubraj Sahu (ARL)


Strategic Focus

Areas

1. Core Activities

2. Verification and Validation

3. Static and Dynamic

Pre- and Post- Processing Steps

4. Interoperability of CFD Tools

FY02 FY03 FY04 FY05FY06

Functional Area: CFD

Collaborations and Partnership, Cross Community Impact

Collaborative Projects and Standards

Education, Training, Outreach, Technology Deployment

V&V Workshop

ET 019

CFD+CSM+CWO+ CEA+ET+OKC

ET 002: GGTK Collaborative Projects

ASP, CTK, CFD03: AMR Collaborative Projects

CFD+CSM+ET

ET 022: ISE Cross FA CollaborationUnstructured Grid Consortium and ISGG Participation

Collaboration with National CFD Community


Strategic Focus

Areas

5. Time Varying and Deforming Geometries

6. Multi-Physics Coupling Involving Disparate Time and Length Scales

FY02 FY03 FY04 FY05FY06

Functional Area: CFD

CFD 001: TM

CFD 03 Collaborative Projects CFD 02, CFD 05

ET 019, ET 002: GGTK

Collaborative Projects

CFD-CSM Workshop CFD 005

MDO: AFRL


CFD Year 1 Activities & Impact• Core Activities

– Concentration on User Needs: Maneuvering & Moving Body Problems; New non-traditional users from different disciplines; Propulsion and Complex Physics emphasis with complex geometry (COTS: CFD++, Fluent, Gridgen; CHSSI: Overflow, WIND, & Cobalt; Others: USM3D, NAXAIR, VGRID); Adaptive Gridding; V&V; Geo-Grid Exchange (Standards); and Parallel Algorithms.

– National Consortiums and Standards Committees (ISGG: International Society of Grid Generation, ASP: Adaptive Software Project, DoE TSTT: Terascale Simulation Tools & Technology, UGC: Unstructured Grid Consortium (NASA, AF, Navy, Boeing, Lockheed, CFD FA)

– Conferences/Workshops/Symposiums: JANNAF (Joint Army Navy NASA & Air Force Conference), SSS2001 (Scalable Software Systems 2001), AIAA, CFD, ASP Workshop, 8th ISGG, Overset Symposium

– Contributing to Key Warfighting Applications: Smart Cargo Munitions, Ship Smoke Gas Predictions, IHPTET, F-22, Airborne Laser, C130

– Technology Improvements & Tools Implemented: RANS/LES, INLiB and GGLiB in PEGISUE, CHSSI09 involvement, & HYB3D; Cobalt, Fluent, ICEM, PMAG, WIND, VGRID, CFD++ installed and validated

Collaborative, Exciting and Satisfying CFD FA Environment


CFD Year 1 Activities & Impact• Project Activities

– CFD 003 (6DoF Library): Excellent Progress with a very good participation from User Community

– ET 019 (GGTK) : Fully Leveraging NSF and NASA Grants. GGTK Outreach to User Community at Large in August, 2002. ALPHA version by September. Linkage to National Unstructured Grid Consortium.

– ET 022 (ISE): Infrastructure Design in Progress. Leveraging CTK – Chimera Tool Kit for tools and technology –sponsored by ARO

– Established a small PoP project on Adaptive Meshing with Tim Madden. Hope to grow this activity in FY03

– Initiated dialogues with AFRL group on Multidisciplinary Optimization project. Student involvement under IDIQ

– CHSSI-09 involvement (GUI, Geo-Grid, Interpolation, and Parallel Algorithms)– CHSSI : Cobalt, Overflow-D, and WIND and HYB3D utilized in projects Key: Collaborative Multidisciplinary Projects contributing directly to Warfighters


User Codes Impact & Tools Introduced• Twenty (20) User Codes Impacted & Nine (9) Tools Introduced

Key Examples:– Cobalt – Performance Enhancements, Porting to Compaq, General User support

– Fluent/GridGen – Overcome Incompatibilities & Training

– AEDC NS & NXAIR Codes – RANS/LES Turbulence models (JSF & F16 weapons separation and aero loads prediction) Introduced

– OVERFlow-D – Debugging for Moving Body Problems (Maneuvering Missile)

– INLiB, Genie++ – Installation & Documentation in RIB

– ParMetis – Installed on Compaq & modifications to compilation procedure (UMN)

– PEGISUE – Parallelization Effort

– HYB3D – Flow Solver Enhancements (Generalized Grid Based CFD) & Introduction

– PMAG, Grid Tool/VGRID, USM3D, WIND, Gambit, Beggar (Porting & Validation)


User Contacts & Assistance• MSRC, DC, Challenge & Other Users (71+ users assisted/worked with) – Joint

Collaborative efforts among on-sites & FAPOC and staff

Key Examples:

– NAVAIR, PAX, PPE (Lew Scmidt) – Presentation on PET with emphasis on CFD and CSM. Hardware & Software infrastructure leveraging MSRC environment & PET Training (CFD+CSM+OKC)

– NSWCC (MinYee Jiang, Joe Slomski) – Outreach, Presentation, CFD++ Training, Hybrid RANS/LES

– AMSAM (Norm Suhs) – Chimera Moving Body Simulations

– ARL/WMRD (Paul Weinacht) – Manuevering Missile Simulation, Coupled CFD/moving body/autopilot

– AFRL/DEC (Tim Madden) – Adaptive Meshing

– AFRL/PRTF (Dave Car and Steve Gorrell) – Fluent & Turbo

– Johns Hopkins, APL (Brian McGraff) – INS3D and Pegasus 5, Gridgen


Presentations, Conferences, Workshops & Seminars

• 15+ presentations at Conferences, Workshops, Seminars & Outreach Visits (AIAA, HPCMP UGC, JANNAF, Outreach: NAVAIR, NSWCC, RTTC, AFIT, Regional Symposiums)

• 5 Conferences (attended and papers presented: AIAA, Aerospace Sciences, JANNAF, HPCMP UGC, SC2001; Organized: ISGG – 120 attendees expected and Chimera – 100 attendees expected)

• 6 Workshops (Invited Speaker: MASCOT, SSS2001; Organizer: Adaptive Software Project- Eight invited speakers and 30 attendees and Unstructured Grid Tools Workshop at AEDC – 6 invited speakers and expected 25 attendees, May 8, 2002; HPCMP Grid Computing)

• 6+ Seminars/Presentations (ARL, NAVAIR Pax, RTTC, David Taylor Naval Research Lab)


Training

• 8 Training Courses Offered (COTS: GridGen (25 attendees expected at AEDC, May 14-16, 2002), 20 attendees in basic and advance classes; CFD++ (NSWCC – as a result of outreach, 14 attendees), Fluent (20 attendees expected May 1, 2002); GASPv4.0 (10 attendees); Turbulence Model Guide and CFD Tools at UGC 2002.

• Four (4) Training courses attended (Programming the Compaq SC40, EnVis, CEI Product Update, Advanced MPI)

• Side-by-side training (GridGen, Overflow-D, ICEM, Fluent, Cobalt, STAR-CD, Parallel Programming Aspects, CFD Visualization Tools) – Various users at MSRC and DC.


Publications

Eighteen Publications

• CRPC Book Chapter

• 3 published, and 1 to appear in journals

• 3 submitted for journal publication

• 10 published in AIAA or other professional conferences and HPCMP UGC meeting

Abstracts (three) submitted for joint publication with DoD users


Core Financial Summary

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Planned

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Target


CFD 003: 6DoF Library and Standard Interface

• Objective: Develop a library of 6DOF routines to provide capabilities for rigid-body motion, prescribed motion, and constrained motion. Readable input syntax and parser will be included for ease of use. Library will be accessible through APIs for FORTRAN, C & C++.

• 6DoF Library with MSRC Technical Report containing User and Programmer Guides including code demonstration and validation test cases. (Green)

• Deliverables

– Monthly Reports & 6DoF Subroutines Acquisition (Green)

• $90K

• Nathan Prewitt


CFD 003 Financial Summary

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CFD 006: Free Surface Fluid Structure Interaction Technology

• Objective: Develop and Implement free-surface flows interacting with nonlinear cables and floating objects.

• Demonstration involving simulation of free surface flows (Green)

• Deliverables

– Final Technical report and Conference Paper (Green)

• $60K

• Shahrouz Aliabadi


CFD 006 Financial Summary

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Staffing

• CFD On-Sites are in place at AEDC, ARL, ASC & ERDC. AEDC On-Site Lead (Dr. Robert Nichols) was hired in September 2001.

• 0.5 CFD On-Site Lead (In Collaboration with EQM) at NAVO is to be hired after October 1, 2002. This position has been open since June 2001.


Summary• CFD FAPOC and all on-sites are working together to achieve the

common goal of enhancing DoD HPC productivity in CFD.• Outreach is a Key to RIGHT Training & Technology Development &

Deployment Plan. New CFD HPC DoD users are emerging everyday!• DoD CFD community is converging toward a suite of CHSSI and COTS

codes. • DoD researchers and application practitioners are aggressively exploring

Multidisciplinary approach in addressing warfighting problems.• Improvement in Accuracy, Robustness, Confidence, Throughput, and

Cost of Performing complex CFD simulations associated with DoD missions and Enhancement in Validation and Verification of CFD Tools to reduce cycle time and improve design performance are still the TOP priorities of DoD CFDers.


BACK UP

Where are we today?Current AssetsCommercial Software

–GRIDPRO–GRIDGEN–FLUENT–CFD++– STAR_CD– ICEM– GASP– UniGraphics– FIDAP– GAMBIT– FIELDView– Ensight– TecPlot

Public Domain Software–CFL3D (NASA LaRC)– VGRID(NASA)– GRIDTool (NASA)–PMAG (MSU)–INS3D (NASA ARC)–PEGSUS (NASA ARC)– HYBFL (MSU)– GENIE++ (MSU)– CAGI (MSU)– SWViz (MSU)– ADIFOR(C) (DOE)– METIS(UMN)– TIGER(NASA/MSU)

ChallengeApplications

ComplexGeometry

&Physics

National Consortiums, DoD Large-Scale Cross-Agency Programs

Capability to address arbitrary geometry steady/unsteady flows Involving multi-body/relative motion and complex physics

Using Structured/Unstructured Meshes

Strategic Technology & Application Focus

ASC

Chimera TechnologyInteroperability & OKC

ERDC

ARL

AEDC

NAVO

Generalized TechnologyMultiphysics Coupling &ET

CWO & EQMInteroperability

Parallel & Moving BodyTime Varying Geometries

Complex Physics/Future TechVerification & Validation

MSU MD Computational SystemsSynthesis, Accuracy, Automation


Adaptive Meshing: Collaboration with Tim Madden

Initial grid Elliptically adaptedY

Z

X

Controlled weighted averaging


Significance

• Solution adaptive schemes for COIL Laser Studies– Essentially the same result more quickly– 2 Injection streams– 14 Species– Important to accurately resolve shocks and shear

layers for correct Laser performance prediction.


CTK: Chimera Tool Kit (ARO) PET Partnership

• Developed an overset mesh assembly method for structured and/or unstructured meshes

• Developed an Octree based approximate hole cutter

• General stencil jumping technique for donor location

• Suitable for moving body problems

• Possible candidate for use in CHSSI CFD-09 project

• Plan to support simulations (moving-body, fluid-structure interaction) by Paul Weinacht

Contract Year 1 Review CFD Bharat Soni Mississippi State University May 14, 2002.

Documents

Transcript of Contract Year 1 Review CFD Bharat Soni Mississippi State University May 14, 2002.