Theme 5: Structural Analysis & Applications

Track 5-1: Structural Analysis and Optimization

Paul Weaver¹, Michael Hyer2

1 University of Bristol (paul.weaver@bristol.ac.uk, http://www.bris.ac.uk/engineering/)

2 Virginia Tech (hyerm@vt.edu, http://www.esm.vt.edu/)

Key words: Static and dynamic analysis, testing, and optimization of structures

Scope of Track

Papers addressing the design, analysis, and testing of composite structures are solicited. Loadings can be static, dynamic, or thermal, or combinations of those. Of interest are problems addressing buckling, post-buckling, material failure, sandwich construction, stiffened constructions, material tailoring, novel use of material forms, new analysis procedures, novel applications of composite materials to structures, novel structural configurations including inflatable and deployable structures, affordability, and manufacturability. Deterministic and probabilistic problems are welcome, as are optimization problems with emphasis on weight reduction strategies.

 

Track 5-2: Structural Design Criteria, Safety and Reliability

Marcin Kaminski¹, Theodore P. Philippidis2

1 Department of Structural Mechanics, Technical University of Łódź, 90-924 Łódź, Poland (marcin.kaminski@p.lodz.pl, www.p.lodz.pl)

2 Department of Mechanical Engineering & Aeronautics, P.O. Box 1401, Panepistimioupolis Rion, GR 26504 University of Patras (philippidis@mech.upatras.gr, www.upatras.gr)

Key words: Risk and reliability analysis, design codes, role of structural health monitoring, statistical and stochastic models for composites, probabilistic design of composite structures, Stochastic Finite Element Method

Scope of Track

The main aim is to present both emerging and well-established methods and research results dealing with the uncertainty in composites structural design - numerical/analytical and also experimental studies are welcome. The topics of our interest include: (i) reliability analyses (static strength and elastic stability under ultimate loads, fatigue) for structures made of composite materials, (ii) stochastic modelling of mechanical properties in composites considering various uncertainty types, viz. physical, measurement etc., (iii) reliability methods for laminated and fiber- or particle-reinforced (filled) composites including failure modes associated reliability index, (iv) probabilistic models selection and their correlation for mechanical properties of FRPs, (v) manufacturing induced uncertainty assessment in composite properties, (vi) spatial property distribution models, (vii) effect of structural health monitoring on structural reliability assessment and time-dependent reliability analysis, (viii) interaction of stochastic modelling of structure and loads.

 

Track 5-3: Multiscale Modelling of Structures

Brian N. Cox¹, Pierre Ladevèze2

1 Teledyne Scientific (bcox@teledyne.com, teledyne.com)

2 Ecole Normale Supérieure de Cachan (ladeveze@lmt.ens-cachan.fr, http://w3.lmt.ens-cachan.fr)

Key words: Modeling, structure, multiscale, virtual test, fracture, buckling, stochastic, discrete, continuum, computation methods

Scope of Track

Contributions are sought in the general area of constructing virtual tests for composite structures, especially contributions that consider the challenge of describing phenomena that occur at the scale of the material microstructure or mesostructure, as well as the challenge of linking those phenomena with phenomena that occur at scales that are traditionally and successfully represented by homogenization. Of particular interest are papers that contribute to answering the question of whether one should prefer a continuum damage model or a model in which cracks and other damage are represented as discrete events. The “multiscale” challenge can be considered not only in terms of physics but also in terms of computational issues. All experimental and theoretical contributions are welcome, with emphasis on novel methods that shed light on the physics of failure and its high-fidelity representation.

 

Track 5-4: Applications - Automotive and Rail

Klaus Drechsler¹, Jun Takahashi2

1 Technical University of Munich, Germany (drechsler@lcc.mw.tum.de, http://www.lcc-mc.tum.de)

2 The University of Tokyo, Japan (takahashi-jun@cfrtp.t.u-tokyo.ac.jp, http://www.u-tokyo.ac.jp/en/)

Key words: automotive applications, rail vehicle applications, design concepts, high volume production, in-service behaviour

Scope of Track

We have faced environmental and economic problems caused by high oil prices and global warming. Hence composite materials are again receiving attention, and many new challenges based on the recent scientific advancement have appeared. In this Track, we would like to discuss intensively about the most recent topics about composite application technologies for automobile and rail vehicles. Contributions concerning not only finite element analysis, but also topics such as cost analysis, material selection, high volume process technology, multi-material strategy, and structural design concepts are welcome.

 

Track 5-5: Applications - Offshore and Subsea

Su Su Wang¹, K H Leong2

1 University of Houston,
Department of Mechanical Engineering, N207 Engineering Building 1, Houston, TX 77204-4006, U.S.A.
(sswang@uh.edu, www.egr.uh.edu)

2 PETRONAS Research,
Lot 3288/3289 Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor DE, MALAYSIA.
(kh_leong@petronas.com.my, www.petronas.com.my)

Key words: Offshore oil & gas facilities and infrastructure;
fixed and floating structures;
offshore and subsea installations

Scope of Track

Over the last couple of decades composite materials have made significant inroads into the offshore oil and gas industry. The versatility of composites, and their superiority in terms of mechanical properties, corrosion resistance and light weight have helped to pave the way. Continued demand for oil and gas, coupled with declining production from existing fields, has pushed exploration and production activities to harsher and more challenging environments, which has also opened up many opportunities for the application of composite materials in the offshore oil and gas industry.

This Track is set up to solicit and bring together papers that describe and discuss actual field applications of composites in offshore oil and gas facilities and environments, covering fixed and floating structures, as well as offshore and subsea repairs and rehabilitation, and health monitoring systems, amongst others. Composite materials of all kinds, including but not limited to reinforced elastomers, thermosets, and thermoplastics, as well as ceramic and metal based composites would also be of interest. The topic of qualification of the materials for such applications is also welcomed by this Track.

 

Track 5-6: Applications – Ships and Boats

Philippe Noury¹, Mark Battley2

1 DNV GL, Norway (philippe.noury@dnvgl.com, www.dnvgl.com)

2 University of Aukland, New Zealand (m.battley@auckland.ac.nz, www.cacm.auckland.ac.nz)

Key words: Pleasure craft, lifeboats, high-speed craft; ships of all kinds including passenger, cargo and naval vessels, ferries and offshore service vessels; appendages

Scope of Track

Small and medium-sized boats – pleasure boats, racing yachts, coastal rescue vessels and lifeboats – were among the first commercial applications that made extensive use of composites. Large-scale use of composites in high speed passenger ferries began in the 1980’s but concerns about fire safety following the Scandinavian Star disaster severely hindered their further application in the 1990’s. More recently developments in fire protection, and in safety philosophy, combined with environmental and fuel efficiency considerations, have led to more widespread use of composites, not only in high speed vessels but also in larger commercial ships. Newer applications include large components such as hatch covers for bulk cargo ships, tanks for marine transportation of compressed natural gas, propellers, and large parts of ship superstructures, as well as new ship concepts such as eco-ferries and ships serving offshore wind farms. High performance sailing yachts have led to rapid innovation in materials usage, structural design and manufacturing methods for hulls, masts and appendages such as rudders and dagger-boards. A feature of marine applications is the wide range of material systems used from low-technology spray layup through to autoclave prepreg, with different cost-performance requirements depending on the application.

The track will cover all aspects of these applications including design, concept development, structural analysis and characterisation, water impact, fire performance and risk assessment, manufacturing processes, condition monitoring, effects of environment, non-destructive testing and forensic engineering.

Composites are used widely in naval ships, and many of the technological developments that have found application in passenger and cargo ships as well as patrol vessels have occurred in that context. The US Office of Naval Research will be organising a special symposium (presentations by invitation only) at ICCM-20 that will be devoted specifically to naval applications and associated research. Track 5-6 will also accept contributions in this area.

 

Track 5-7: Applications – Civil Engineering

Urs Meier¹, Guijun Xian2

1 EMPA, Swiss Federal Laboratories for Materials Science and Technology (urs.meier@empa.ch, www.empa.ch)

2 HIT, Harbin Institute of Technology (guijun.xian@gmail.com, www.hit.edu.cn)

Key words: Bridges, buildings, towers, piles, poles; road, tunnel, and geotechnical construction

Scope of Track

Track 5-7: Applications in Civil Engineering aims to provide a forum where engineers, researchers, practitioners and industrial partners in the field of composite materials are invited to discuss and share recent advances and developments and future perspectives of applications in civil construction and infrastructure. It will cover all aspects of applications of composite materials including:

  • Concrete structures reinforced with composite materials like bridges, buildings, towers, poles, tubes
  • All-composite structures
  • Tendons for suspended structures
  • Strengthening of structures, seismic retrofitting (external bonding, near surface mounting, confinement of columns, etc.)
  • Reinforcing materials and systems for concrete structures, road pavement, and masonry (including pre- and post-tensioning)
  • Hybrid structures (materials by combination)
  • Geotechnical (piles, soil and rock anchors, grids)

  

Track 5-8: Applications – Aerospace

Jae-Hung Han¹, Sayata Ghose2

1 Dept. of Aerospace Engineering, KAIST (jaehunghan@kaist.ac.kr, www.kaist.edu)

2 Materials Engineer, Boeing Research & Technology (sayata.ghose@boeing.com, www.boeing.com)

Key words: Aircraft, space structures, composites, manufacturing

Scope of Track

This Track will focus on the practical application and implementation of composite materials, and the technology in development for various aerospace fields including commercial and general aviation, and satellites and space structures. The performance advantages associated with reducing the weight of aircraft structural elements has been the major impetus for aviation composites development. Composites are also being used increasingly as replacements for metal parts on older planes. The use of composite materials has also made it possible to achieve a number of milestones in space technology. Particularly, the stringent requirement for dimensional stability and weight reduction can be met only by the use of advanced composite materials. Material and process development, design methodologies, qualification programs and long-term performance are some of the research areas that affect structural integrity, producibility and performance in the aerospace industry. All of these aspects may be considered within the scope of the Track.

 

Track 5-9: Applications – Renewable Energy

Rogier Nijssen¹, Lars Chr. T. Overgaard2

1 Knowledge Centre WMC, The Netherlands (r.p.l.nijssen@wmc.eu, www.wmc.eu)

2 Department of Mechanical and Manufacturing Engineering, Aalborg University, Denmark (lcto@m-tech.aau.dk, www.m-tech.aau.dk).

Key words: Application of blades and other composite structures for wind, wave, tidal and ocean current energy conversion.

Scope of Track

This track covers the application of composite materials in renewable energy technologies such as wind, wave, tidal and ocean current energy. The track provides an open forum for discussing the latest research, technologies and developments in blades and other composite structures for wind, wave, tidal and ocean current energy systems. Topics of interest include, but are not limited to, experimental and numerical applied mechanics within: material and structural mechanics, including multi-physics and multi-scale models, effects of external influences, design methods, quality assessment and structural integrity, manufacturing, qualification, testing and demonstration of prototypes. Special attention will be given to common challenges across different technologies.

  

Track 5-10: Applications - Bio & Medical

Helga Füredi-Milhofer¹, Victor Birman2

1 Affiliation First Track Coordinator (helga@vms.huji.ac.il, http://new.huji.ac.il/en)

2 Missouri University of Science and Technology, USA (vbirman@mst.edu, http://www.mst.edu/)

Key words: Biomechanics, bone replacements, joints, dental.

Scope of Track

Composite materials are prominent in major biomedical and biomechanical areas encompassing surgical and restorative procedures. The study, analysis and treatment of biological systems, including tissues, bones and blood vessels, requires an insight into and comprehension of their structural mechanics that typically involves a characterization of combinations of several constitutive materials interacting with each other and optimizing the function of the relevant tissue or organ. Likewise, restorative surgeries and procedures often rely on composite implants and scaffolds manufactured from composite materials. Notably, the study and application of composite systems in biological applications often involves a multiscale approach, requiring nanoscale and microscale analyses (e.g., collagen molecules and fibrils) as well as macroscale characterization (e.g., bones, articular cartilage or sclera).

The subjects in this track provide insight and analysis into the problems of natural or engineered composite materials as well as the mechanics of relevant systems. All applicable biomechanical areas are acceptable, including tendon and ligament attachments to bones, dental tissues, mechanics of blood vessels, composites employed in restorative surgeries, joint reliability and durability, scaffold design and optimization, etc.

  

Track 5-11: Applications – Industry Needs

Thomas Kruse¹, Matt Jevons 2, Tony Belcher3

1 AIRBUS Operations GmbH, Germany (Thomas.Kruse@airbus.com, www.airbus.com)

2 Rolls-Royce plc., UK (Matthew.Jevons@Rolls-Royce.com, www.rolls-royce.com)

3 Boeing Research & Technology, USA (Tony.Belcher@boeing.com, www.boeing.com)

Key words:
Key issues/requirements in up-scaling, process modelling for serial production, design and testing approaches, specific industrial boundary conditions, implementation and certification of new technologies.

Scope of Track

The “Industry Needs” track is focussed on the presentation & communication of the needs and experiences relating to the transfer of R&D and basic research into the final product of non-academic companies (industry, start-up companies, engineering suppliers, software suppliers). As such, pure results-focussed abstracts shall be submitted into the other Application Tracks.

The Track will be held as combined oral presentations and subsequent open discussion forums with the presenters per sub-stream. A short paper (minimum 6 pages) as well as a 15-minute presentation is required. The papers should take the form of a white paper style document allowing the author to explore and communicate the need(s). The presentation should also include an overview slide summarising the key message(s) to allow them to be shown during the discussion forums.

The Track is open for all abstracts addressing the general “Industry needs” topics. The following list of specific sub-streams shall be seen as a starting point for abstract proposals:

− Communication of general needs to trigger research and get in touch with potential R&D Partners.

− Design & Testing: Transfer of new technologies and implementation of virtual testing

− Up-scaling challenges:

  • Engineering: bridging from micro-/meso- to macro-scale and finally full product representation;
  • Manufacturing: transfer from lab-scale to serial production;
  • Advanced process modelling and transfer to serial production application.

− Industrial boundary conditions for introduction of new technologies:

  • Certification approaches and requirements as additional factor for technology implementation;
  • Technology transfer needs for secured implementation of new technologies and suitable business models and organisation concepts;

Time to market: time pressure for engineering and manufacturing for secured implementation of new technologies and design principles in new or running products.