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ADVISE:
Advanced
Dynamic Validations using Integrated Simulation and Experimentation |
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PROJECT
ABSTRACT |
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ADVISE is a pre-normative
project for experimental validation of simulations of dynamic events using
full-field optical methods of deformation measurement. Optical methods for deformation and strain
measurement are a generic technology, which support life cycle performance,
safety, and reliability assessments, and design optimisation of products,
components, and devices varying in scale from micro-machines to ships. Recently, there have been considerable
advances in full-field optical techniques and these have led to new
instrumentation. Consequently, optical
techniques form a powerful set of tools for use in evaluating the
performance, reliability, and safety of primary structures and for validating
computational design of such structures.
The quality of the data generated is strongly dependent on the
procedures employed and set-up of both the instrumentation and the
simulation. Today there is a lack of
unified approaches for both fields. Thus, there is a significant need to
provide standards both for procedures and instrumentation in order to prevent
technical barriers to trade, to promote the compatibility of approaches, and
to provide traceability. In the field
of static strain measurement this need was fulfilled by the successful SPOTS
project (GRD1-2002-70014) in the FP5 Growth Programme. SPOTS generated a draft standard for
“Calibration and Assessment of Optical Strain Measurement Systems” which will
be submitted shortly to ISO for publication.
The objectives of the current project are to address similar issues
with regard to more complex dynamic analysis and to extend the work to the
use of full-field data from experiments to validate in a quantitative manner
computational simulations. Dynamic
events are especially important in safety aspects of transportation industry.
Optimised design of primary structures leads to
lighter and more energy efficient products that cost less, are more reliable
and safer. These attributes provide
clear economic and environmental benefits, to which optical techniques of
deformation and strain measurement can make a substantial contribution when
used within the framework of an internationally recognised standard. At
the moment, a number of significant advances are emerging from the innovation
process and being tentatively applied by end-users. In optical deformation measurement these
advances include digital image correlation and fringe projection
techniques. Whilst in engineering
modelling the analysis of homogeneous materials subject to impact has become
fairly routine, recent advances have been made in
modelling the impact of two-dimensional composites and three-dimensional
analysis is under development.
Therefore there are exciting opportunities to bring together advances
in optical techniques with the developments in modelling composites in order
to accelerate the latter and establish high levels of confidence through
rigorous validation. Such an approach
would represent a step change in the subject and provide exciting and
significant additional potential. The
objectives of the project are: · development of
reference materials that allow traceability and calibration of full-field
optical methods of deformation measurement in cyclic, transient and
non-linear dynamic events; · optimisation of
methodologies for both optical measurement and computational modelling and
simulation of non-linear, transient dynamic events; · contributions to standardisation
activity for experimental validation of dynamic simulations. The innovative aspects of the project include the first attempt to
provide a unified approach to experimental validation of engineering
simulations of primary structures, the development of reference materials for
optical dynamic deformation measurement, and a major contribution to
standardisation through VAMAS TWA 26 which has thus far focused on static
measurements. It is intended to pursue the objectives described
above through a work plan consisting of three technical work packages focused
on the three objectives with additional work packages for co-ordination and
for dissemination. Each technical work
package has a different emphasis in the innovation process with ‘Advanced Tools for Simulation &
Experimentation’ focused on technique and
instrumentation suppliers; ‘Dynamic Calibration’ focused on research
laboratories; and ‘Experimental Validation’ focused on end-users. The latter two will involve substantial and
innovative pre-normative research leading to creation of draft standard
documentation. Each work
package will have a leader who will be responsible for the technical co-ordination
including the management of progress. The main outcomes of the project will be: reference
materials for optical methods of dynamic deformation measurement; optimised
approaches for the application of these and advanced modelling techniques to
dynamic events, and a recommended methodology for experimental
validation. It is proposed to work
closely with CEN, ISO, NAFEMS and VAMAS TWA26 to ensure that these materials
can be become quickly accepted globally thus providing worldwide traceability
for validated designs leading to safer transport systems. Direct dissemination to the EU industrial
base will be a priority to maximise the benefits of the pre-normative
research. The project outputs will
provide opportunities to enhance the competitiveness of European transport
industry by developing safer vehicle components, to enhance the
competitiveness of suppliers of optical instrumentation and, simultaneously,
to improve the competitiveness of end-users through contributions to design
optimisation leading to improvements in strategic products. The project consortium has been built from the core
team responsible for the major innovations leading to publication of the
SPOTS standard. This team includes
Airbus, Dantec Dynamics, EC-JRC-IHCP, EMPA, and CRF
with the former SPOTS co-ordinator participating with his present The
proposal is being submitted in response to call FP7-SUSTAINABLE SURFACE
TRANSPORT (SST)-2007-RTD-1 within ‘Activity:7.2.4. improving Safety and Security; Area:7.2.4.1 Integrated
Safety and security for surface transport systems (SST.2007.4.1.1 Safety and
Security by design)’. The proposal
also contributes to AAT.2007.3.3.1 Aerostructures,
because the objectives are generic.
The project will propel the EU into the leading position in the field
and allow EU industry to gain a significant technological advantage |
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