Advanced Finite Element Concepts and it’s Applications

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Finite Element Training

 

ABOUT THE COURSE

Finite Element Analysis (FEA) is one of the most powerful tools used to assess the strength of engineering structures. This course is aimed at
engineers, of various disciplines, who intend to use the commercially available FEA Packages to analyse structures. Participants are assumed to have
knowledge of the basic principles of structural
mechanics. The syllabus will include: General overview of the technique, Finite element types (bars, beams, 2D, 3D, plate and shell elements) and their derivation via constant and higher order shape functions, pre and post processing, basic terminology, range of applications, basic introduction to materials modelling. Multidimensional FE modelling; Constitutive models in FE codes; FE model development; Assembly of stiffness matrices, loading and boundary conditions, material models, convergence; Advanced FE techniques; Modelling of 2D and 3D problems, buckling, non-linear analysis, advanced non-linear material models including failure and damage, explicit methods for dynamic problems; FE modelling accuracy, efficient mashing techniques, convergence and model verification.
WHO SHOULD ATTEND

Engineers and scientists involved in the design, operation and assessment of both onshore and offshore structures and their associated equipment. Personnel from oil companies, consultancy organisations, classification societies and certifying authorities will benefit from attending this course.

PROGRAMME

Day 1

08.30 – 09.00 Delegate Registration
09.00 – 10.30 Lecture 1: Concepts of Elastic Analysis – N. Sampathkumar
10.30 – 10.45 Break
10.45 – 12.15 Lecture 2: Non-linear FE Analysis – N. Sampathkumar
12.15 – 13.30 Lunch
13.30 – 15.00 Lecture 3: Procedures for Dynamic and Impact Analysis – N. Sampathkumar
15.00 – 15.30 Break
15.30 – 17.00 Lecture 4: FE concepts for Thermal analysis – N. Sampathkumar
 Day 2

09.00 – 10.30 Lecture 5: Solution Schemes of FE Analysis – I – Purnendu Das
10.30 – 10.45 Break
10.45 – 12.15 Lecture 6: Solution Schemes of FE Analysis – II – Purnendu Das
12.15 – 13.30 Lunch
13.30 – 15.00 Lecture 7: Application of FE Modelling and analysis in Industry – N. Sampathkumar
15.00 – 15.30 Break
15.30 – 17.00 Lecture 8: Design validation by FE modelling and analysis in Industry’ – N. Sampathkumar

Lecture Content:

Lecture 1: Concepts of Elastic Analysis

Basic Concepts – History of development of FE methods – Theory of linear Elasticity – Numerical representation of Solid Mechanics – Linear static analysis for: Bar & Beam elements, 2D Plane Stress / Strain problems using Plate/Shell elements – Solid elements for 3D problems.

Lecture 2: Non-linear FE Analysis

Description of nonlinearities: Geometrical/Material/Contact mechanisms – Nonlinear elasticity and plasticity theories – Failure theories – Buckling analysis – Numerical
representation of nonlinear problems

Lecture 3: Procedures for Dynamic and Impact Analysis

Basic equations – Vibration concepts – Damping issues – Approach to modal analysis – Transient dynamic analysis – Frequency response analysis – Mechanics of Impact – Formulation of impact analysis in FE

Lecture 4: FE concepts for Thermal analysis

Thermal Stress-strain relations – Temperature field (steady or unsteady state) – FE formulation for thermal simulation – Heat conduction, radiation and transfer problems – Case studies

Lecture 5: Solution Schemes of FE Analysis – I

Different Technics for FE Analysis will be discussed

Lecture 6: Solution Schemes of FE Analysis – II

Different Technics for FE Analysis will be discussed

Lecture 7: Application of FE Modelling and analysis in Industry

Adaptive meshing concepts – Advanced computational methods (sub modelling and super element techniques) – Overview of State of art FEA techniques and software programs – Approach for Buildings, Trusses & Frames, Pipe applications, Processing methods, Biomedical applications.

Lecture 8: Design validation by FE modelling and analysis in Industry

Analysis and Design examples from Automotive, Aerospace, Civil Engineering, Offshore & Marine, Conventional & Renewable Energy, Consumer goods and Life Sciences industries – FEA for reverse engineering and product remediation
ABOUT THE LECTURERS:

Narasimhan Sampathkumar

Narasimhan Sampathkumar joined Atkins in July 2014. Prior to that, he worked for OWEC Tower AS in Norway since 2012. As a senior Structural engineer, he was involved in conceptual, feed and detailed design of jacket structures for offshore wind turbines and provided engineering support for tender submissions. Performed R & D projects to study dynamic response, establish load-exchange process with wind turbines, performing fatigue/ultimate analysis, etc. He also comes with 3 years of onshore wind turbine design, certification and product management experience prior to 2012. Overall, he comes with 12+ years of structural engineering experience, especially in Finite element methods and
holding a PhD from the University of Southampton.

Key Experience:

• 6+ years of experience in Wind Turbine and Offshore sub-structural design, familiarity with turbine loads, aerodynamics & control simulations, strength calculations of wind turbine components and jacket structure, power performance, turbine testing & measurement, IEC61400 and DVN GL Codes for Certification process

• Lead R&D and Engineering projects for technical assessment of Offshore wind turbine jacket sub-structure comprising, aerodynamic, aero-elastic and structural calculations

• Expertise on Analysis and Strength calculation of various components of wind turbines, including blades, castings, gear box-generator and tower structure, as per IEC61400 / GL guidelines

• Strong leadership skills with Technical/People management, mentoring and proactive role in strategic decisions, active team player

• Eight publications in key international journals and conferences
Present role at Atkins:

As a Principal Structural Engineer in the Renewable Energy Group, Dr Narasimhan is playing the role of a reviewer and approver for Atkins offshore substructural design for various offshore wind farm projects. This involves design basis / brief documents, establishing technical governance, loadexchange process, technical calculations and liaising with alliance partners and stakeholders in the project. Mentoring of the engineering team for establishing technical excellence within the group.
Dr Narasimhan holds a PhD in “Fluid Structures Interactions Research Group”, the University of Southampton, an MSc (Eng) in Structural Engineering from the Indian Institute of Science in Bangalore, India and a BEng in Civil Engineering from the Madras University in Chennai, India.

Purnendu Das
Purnendu Das. BE, ME, PhD, C.Eng, C.MarEng, FRINA, FIStructE, FIMarEST has been the Director of ‘ASRANet Ltd’ (an ISO 9001-2008 certified company) since February 2006. He retired as a Professor of Marine Structures in the Department of Naval Architecture & Marine Engineering at the University of Strathclyde, UK. Past EU projects were MARSTRUCT (a network of excellence on Marine Structure) and SHIPDISMANTL (a cost effective and environmentally friendly dismantling of ship structures). Past industrial projects included work from the UK Health and Safety Executive (HSE), MoD UK, Subsea-7 UK, Shell, Woodgroup and US Navies etc. He was the principal investigator of many EPSRC projects. Before joining the University of Glasgow in 1991 he worked with British Maritime Technology as Principal Structural Engineer (1984-91). He is the author of more than 250 publications, including contract reports and more than 60 journal papers and is a member of the editorial boards of the ‘Journal of Marine Structures’, ‘Journal of Ocean and Ship Technology’ and ‘Journal of Ocean and Climate System’ amongst others. His areas of research include limit state design and analysis & reliability analysis of ship & offshore structures.
Purnendu Das has wide ranging industrial and academic contacts and has advised and supervised 20 PhD students, to his credit. Details of visits and collaborations include his various sabbatical study periods spent at University of California, Berkeley, USA (July – September 1996), at Lloyd’s Register of Shipping (August 1997), Kockums Ltd (July 1998) and spent some time at Instituto Superior Técnico (IST), Lisbon (July 2000). He has been running various successful CPD courses which are attracting many people from different industries. These courses are on ‘Fatigue & Fracture Analysis’, ‘Ships at Sea’, ‘Advanced Analysis and Design of Offshore Structures’, ‘Offshore Floating System Design’, ‘Structural Response under Fire and Blast Loading’ and ‘Design of Pipelines and Risers’ amongst others. He was a member of ISSC (International Ship and Offshore Structure Congress) for the periods of 1991-97 and 2003-2006. He was a member of the OMAE (Offshore Mechanics and Arctic Engineering) Organising Committee on ‘Safey and Reliability’. He has organised six ASRANet International Conferences in 2002 (Glasgow), 2004 (Barcelona), 2006 (Glasgow), 2008 (Athens), 2010
(Edinburgh) and 2012 (London) where a large number of participants from various countries attended. The theme of the conference is the integration of risk, advanced structural analysis and structural reliability analysis as applicable to various engineering structures. He is now the member of “Research committee” of the Institution of Structural Engineers (I.Struct.E) London.
Duration: 2 Days

Cost: £650 + VAT

 

FEA Training

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