NAFEMS Technical Working Group Overview

April 2016

www.nafems.org

Analysis Management

• The NAFEMS Analysis Management Working Group has the remit to

produce, monitor and maintain; guidance, procedures and advice

relating to improving business practice and performance and best

practice with respect to the definition and execution of engineering

simulation.

• Twice monthly webex meetings

• Chairman – Chris Rogers, CREA Consultants

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Analysis Management

• Current Key Issues

– Currently working on a unified validation definition that fits with both the NAFEMS and ASME perspective on engineering analysis and simulation

• Publications in Progress

– An update to the Quality System Supplement• How to Design a QA system for Engineering Analysis that conforms to ISO9001

– V&V for Managers

– Why Do Verification & Validation

• Recent Working Group Presentations

– ASME Verification and Validation Symposium • NAFEMS – ASME Collaboration in Verification, Validation and Uncertainty

Quantification

– NAFEMS European Conference Coupled MBS-FEA

Applications• Interpretation of Verification and Validation for Engineering Simulation

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Composites

• The NAFEMS Composites Working Group was formed to create

awareness and education for the simulation of composites by gathering

independent information and providing independent analysis of

composites simulation capabilities and needs.

• Monthly online meeting

• Chairman – Ronald Krueger, NASA

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Composites• Current topics of interest

– Authors are in the process of being commissioned for a publication titled “How to Obtain Material Properties for Structural Analysis of Composites”

– Reviewing the NAFEMS professional engineer “Composites” technical area

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• Recent Activities

– The working group was responsible for the benchmark special edition on “composites”

– Technical Article Published in NAFEMS benchmark magazine “Development of Benchmarks Examples for the Assessment of Quasi-static Delamination Propagation Capabilities”

– Creation of a review of analysis tools used in the design and manufacture of composites

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Computational Fluid Dynamics

• The NAFEMS CFD Working Group is concerned with all aspects of

Computational Fluid Dynamics, including the flow of fluids (gases and

liquids), heat and particulate flows. All computational approaches are

included and the related technologies required whether for pre-

processing, solving or post-processing.

• Regular online meetings and face to face meetings

• Chairwoman – Althea De Souza, Quesada Solutions

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www.nafems.org

Computational Fluid Dynamics• Current Areas of Activity

– A review and update of the NAFEMS Professional Simulation Engineer Scheme CFD Technical Areas– Supporting the UK Institute of Mechanical Engineers (IMechE) Offshore Engineering Event –

Aberdeen, December 2015

• Publications in Progress– CFD Benchmarks– 2nd NAFEMS Workbook of CFD Examples– Radiation modelling for CFD– 1D CFD– Why do CFD Heat Transfer Simulations– Industrial Validation for CFD– Designers Guide to CFD

• Proposed Publications– Meshing for CFD– How to Postprocess CFD output

• Recent Publications – International Journal of CFD Case Studies Volume 11 – Compilation of Acoustic Abstracts

• Recent Activities – Hybrid RANS – LES Seminar – September 2015, UK

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Computational Structural Mechanics

• The NAFEMS Computational structural mechanics working group is

concerned with the branch of engineering that uses numerical methods

to calculate deformations, deflections, internal forces and stresses within

structures.

• Regular webex and face to face meetings

• Chairman – Adam Towse, Assystem

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Computational Structural Mechanics• Current topics of interest

– Issuing an ITT to seeking an author for:

• “How to model bolted and riveted connections”

– Issuing and ITT to seek an author for an update to:

• “How to perform contact analysis”

– Interest in commissioning an update to the Explicit FE Primer

– Interest in benchmarks/round robin study in the area of simulation tools used to model large deformations

– The CSMWG is currently reviewing a large number of the technical areas in the NAFEMS Professional Simulation Engineer Scheme

• Publications in Progress– Why Do Manufacturing Simulation

– How to model bolted and riveted joints

• Recent Publications – Determination of Material Properties

– How to Model Structural Concrete

• Recent Activities – Coupled MBS – FE Applications

– Emerging Methods Seminar

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Dynamics and Testing

• The NAFEMS Dynamics and Testing Working Group brings together

analysts and experimentalists to form a common body of understanding

in dynamics.

• Dynamic analysis is required when a load or excitation is varying with

time and the inertia of the structure is significant. In particular, the

possibility of resonance must be considered.

• Regular Meeting in person (UK)

• Chairman – Hugh Goyder, Cranfield University

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Dynamics and Testing

• Recent Activity and Topics of Interest

– The creation of a Wiki covering the area of dynamic analysis

– Currently commissioning a publication titled “Validation of a finite element model

using dynamic test data”

• Publications in Progress

– Why do dynamics testing as well as numerical modelling

– Dynamic test planning for analysts

– What can dynamic testing offer to simulation

• Proposed Seminars

– Practical aspects of structural dynamics

– Testing – Simulation correlation

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Education & Training

• The NAFEMS Education and Training Working Group is formed to

examine the education and training needs for all numerical analysts

and to provide information and documents to satisfy these needs.

• The Education and Training Working Group are responsible for

accrediting courses run by NAFEMS and other external agencies. In

addition the working group support the NAFEMS Professional Simulation

Engineer Scheme

• Regular Meeting in person (UK)

• Chairman – Adib Becker, Nottingham University

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Education & Training• Areas of Activity

– Reviewing feedback from NAFEMS courses to ensure that standards are maintained

– The working group are interested in commissioning self assessment tests that can be used as part of the

Professional Simulation Engineering scheme

– Members of the working group will be involved in reviewing the old NAFEMS publications with a view to

removing the outdated publications and reusing any useful content

– Webinar on multi-scale modelling

– Webinar on code compliance

• Publications in Progress

– How to analyse practical problems using FE software – Volume 2

– How to perform Dynamic FE Analysis

• Proposed Publications

– A layman’s guide to FEA

– How to model Crack Propagation

– How to model with Discrete Elements

• Recent Publications

– How to perform electromagnetic FE analysis

• Other Activities

– The working group are encouraging academic institutions to

gain NAFEMS approval

– The working group have supported the introduction of the NAFEMS Prize

“Best Project in Engineering Simulation” available to all Academic NAFEMS members

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www.nafems.org

Geotechnical

• The NAFEMS Geotechnical Working Group was formed with the aim of

developing guidelines for the practical application of numerical

methods in geotechnical engineering.

• Numerical analysis using finite element and finite difference methods

has become a mainstream design tool within geotechnics in the last

decade or so. This is due to the development of sophisticated yet

accessible computer programs that can realistically model the ground

and adjacent structures.

• Regular Meetings in person (UK)

• Chairman – Peter Scott, Buro Happold

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www.nafems.org

Geotechnical

• Recent Areas of Activity

– The working group are currently engaged with the COGAN project. This project is aimed at delivering an educational base of around 1000 competence statements in the area of geotechnical analysis

– The following publications have recently been commissioned or authored by the working group

• Validating numerical modelling in geotechnical engineering

• Obtaining parameters for geotechnical analysis

• How to undertake finite element based geotechnical analysis

• Publications in Progress

– Tunnels – FE Awareness & Application

– How to model foundations using finite elements

• Proposed Event

– A tunnelling seminar in connection with the British

Tunnelling Society has been proposed to coincide with the

release of the Tunnelling publication

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High Performance Computing

• The NAFEMS High Performance Computing Working Group aims to

provide a vendor-neutral, end-user driven consortium that promotes the

effective use of High Performance Computing in engineering simulation.

• High Performance Computing is used as an umbrella term for a range of

technologies such as traditional supercomputing, grid computing, cloud

computing, high throughput computing, hardware acceleration, data

storage and visualization.

• Regular online meetings

• Chairman – Lee Margetts, University of

Manchester

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High Performance Computing• Areas of Interest

– NAFEMS high performance benchmarks

– Cloudburst computing

• Current Areas of Activity– The group are planning a seminar titled “Improving HPC Adoption in

Engineering Simulation”, Manchester UK, February 2016

• Recent Areas of Activity– Survey – “Computing Platforms for Engineering Simulation”. The survey

intended to take a snapshot of the type of computing platform used in industry today and also look at industries thoughts on what would be used in 5 years.

– Technical articles published in our benchmark

magazine:

-“To out compute is to out compete”

-”Engineering simulation in the cloud”

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www.nafems.org

Manufacturing Process Simulation • The NAFEMS Manufacturing Process Simulation Working Group was formed in

February 2016. The mission of the MANWG is:

“to promote the development and use of virtual manufacturing tools within the product design cycle to improve outcomes in industrial manufacturing processes”

• This goal will be achieved by being a focal point for independent and reliable information on simulation capabilities and requirements specifically by pursing its goals:

– To make numerical simulation associated with manufacturing process simulation more reliable, accurate and efficient

– To make the use of numerical simulation wide-spread and effective in the manufacturing industry

– To be a hub for manufacturing simulation

– To improve and enhance the reputation and image of manufacturing process simulation

– To facilitate innovation through the promotion and support of advanced simulation for manufacture

• Regular monthly meetings

• Chairman – Peter Giddings, National Composites Centre

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Manufacturing Process Simulation

• The working group are currently in the process of formalising their mission

statement and goals.

• The groups are also concentrating on scoping out the initial activities

they would like to progress these are likely to include– Supporting a special edition of the NAFEMS ‘benchmark’ magazine which will have a

focus on manufacturing simulation

– Supporting dedicate sessions on ‘Manufacturing Process Simulation’ at upcoming NAFEMS

events

– Performing a capability review of various manufacturing process simulation techniques

and tools with a view of assessing the maturity of the technology available to support the

manufacturing industry.

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www.nafems.org

Multibody Dynamics• The NAFEMS Multibody Dynamics working group aims to foster

discussions, benchmark methodologies, develop guidelines and

highlighted the benefits gained by the use of multi body dynamics

simulations.

• Multi Body Simulation consists in modelling the dynamic behaviour of

interconnected rigid or flexible bodies, each of which may undergo

large translational and rotational displacements. It addresses the

problems of modelling multiple bodies mechanical dynamics in

complex systems, the design and validation of the control laws.

• Regular online meetings

• Chairman – Gianluigi Baldesi, European

Space Agency

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Multibody Dynamics

• Recent Technical Presentations

– Modelling aspects of a TKC Midpoint Cable to Describe String Behaviour

– Examples of Advanced ADAMS/View Modelling using the ToolKit Creator (TKC) in Offshore industry, General Machinery and Oil and Gas.

– Multibody-based analysis for interplanetary missions

• Recent Events

– European Conference: Coupled MBS-FEA Applications, Italy, October 2015

– European Conference: Couple MBS-FE Applications:

A New Trend in Simulation, Frankfurt, Germany,

26th November 2013

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Multiphysics

• The NAFEMS multiphysics working group has been set up to promote

and support the use of Multiphysics simulation in industry

• Industrial use of multiphysics simulations is a diverse and challenging

topic. The main driving force is the need for more realistic numerical

simulations of coupled problems, combined with the continuing

improvements in hardware and software.

• Monthly online meetings

• Chairman – Henrik Nordborg, Microsoft

Innovation Centre and the University of Eastern

Switzerland

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Multiphysics

• Areas of Current Interest

– A online repository for Multiphysics case studies

– The working group are planning the next European Multiphysics Conference which will be held in Copenhagen in November 2016

• Publications in Progress

– The creation of a NAFEMS Journal of Multiphysics Case Studies

• Past Events

– European Multiphysics Conference, 21st & 22nd

of October 2014, Manchester, UK

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Optimisation

• The NAFEMS Optimisation Working Group is responsible for promoting

the adoption, further development and best practice of optimisation

theory and methods to engineering simulation for the benefit of the

analysis community.

• Optimisation is the process of selecting the best option from a range of

possible choices

• Regular online meetings

• Chairman – Nadir Ince, Alstom Power Ltd

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Optimisation

• Areas of Current Interest

– A online repository listing optimisation tools and methodologies available to the engineering community

• Publications in Progress

– Robust design optimisation techniques

– Robust design optimisation product development

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www.nafems.org

Simulation Data Management • The NAFEMS Simulation Data Management Working Group promotes

the advancement of the technology and practices associated with the

management of engineering simulation data management and

processes.

• Engineering simulation data encompasses the data, models, processes,

documents and metadata intrinsic to performing modelling, simulation,

and analysis.

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• Simulation Data Management provides for the

management of data objects and metadata at all

levels of granularity and abstraction, including

design and analysis parameters, requirements, and

results.

• Monthly online meetings

• Chairwoman – Laura Michalske, The Procter &

Gamble Co.

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Simulation Data Management • Areas of Current Interest

– Supporting the NAFEMS 2015 European conference on Simulation Data Management, Munich, Germany, December 2015

– Managing spreadsheets in an engineering environment

• Recent Publications– The Simulation Data Management Bibliography

– What is Simulation Data Management?

– Business Value from Simulation Data Management – a Decade of Production Experience

– Simulation Data Management Survey Report

• Recent Events– The 1st International Simulation Process & Data

Management Conference, Salzburg, Austria, 2013

– The 2nd International Simulation Process & Data

Management Conference, San Diego, USA, 2015

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Stochastics • The NAFEMS Stochastics Working Group aim to accelerate the adoption

and further the development of stochastic methods.

• Uncertainty enters into numerical simulation from a variety of sources,

such as variability in input parameters. Knowledge of the effect of

uncertainties can lead the analyst to drastically different conclusions

regarding which input parameters are most important. Quantifying the

effect of uncertainty provide the analyst with an estimate of the true

performance of a design.

• Monthly online meetings

• Chairwoman – Mary Fortier, General Motors

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Stochastics • Areas of Current Interest

– Currently working on a collaboratively authored publication “How to do Uncertainly Quantification”

• Recent Publications

– Stochastics & its role in robust design

• Recent Technical Articles

– Technical Article – “Challenges in uncertainty

quantification” – published in benchmark magazine

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Systems Modelling & Simulation • The NAFEMS Systems Modelling and Simulation Working Group focus is

on the merging of engineering analysis with overall systems analysis to

perform more realistic, accurate and lifelike behaviour modelling and

simulation

• The Systems Modelling & Simulation Working Group is a collaboration

between NAFEMS and INCOSE (the International Council on Systems

Engineering)

• Regular online and face to face meetings

• Chairman – Frank Popielas

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www.nafems.org

Systems Modelling & Simulation • Areas of Current Interest

– Currently developing a technical roadmap for the area of systems modelling and simulation

• Publications in Progress

– Online wiki – defining the terminology used in the area of systems modelling and simulation

– Currently authoring a “What is Systems Modelling and simulation”

– White paper – FMI: The Enabling Technology for System Simulation

• Upcoming Events

– What is FMI - NAFEMS Webinar February 2015

– Simulation & Systems Engineering in the Automotive

Industry, Troy, MI, March 17, 2015

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