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Concurrent Engineering Design Methodology for Advanced Steel Struct ures

Objectif



The project is based upon a transnational collaboration (Belgium, Germany, Sweden, Poland, Hungary) and brings together partners from industry: MOSTOSTAL S.A. ADEM sprl, BOCAD GmbH, RCP GmbH; research institutes: IFTR; and universities LUT (Lulea), TUB (Budapest), TUL (Lodz), WUT (Warsaw). The proposal is associated with the RTD Priority Theme 7.3 "Design of products and processes" as well as the action aimed at stabilization of RTD potential in CCE.

European steel industry requires a modem technology integrating Design, Manufacturing,Erection, and Maintenance of advanced steel structural systems. Very often, complex advanced steel structures take too long to develop, cost too much to construct and do not perform as promised or expected. This may result in a serious loss of market shares by steel design/manufacturing companies. The overall objective of this project is to develop a concurrent engineering methodology supporting engineering design of advanced steel structures. Traditional sequential design practices will be replaced by concurrent, in which post-design verification according to design standards and elements of so called Reliability, Maintainability, and Producibility (RMP) validation design will be introduced into the main design optimization loop. Interactive design optimization methods associated with powerful graphic capabilities will be proposed to support engineering decision making process. The design methodology to be developed under this project is aimed on the one hand at enhancing and optimizing system design to improve product safety, performances, reliability and maintainability and on the other one at improving productivity by reducing the design cycle and decreasing the overall system cost.
To support collaborative engineering activities an integrated computational environment will be developed. It will draw on commercial or in-house CAD, CAM, finite element analysis, reliability analysis, and optimization capabilities New capabilities will be added such as design sensitivity analysis, what-if studies, shake down, and limit analysis. Deterministic- and reliability-based design optimization will be developed. Elements of new design discipline, namely Computer Aided Reliability Engineering (CARE) will be developed.

A further objective is to help a gradual unification of design practices in CCE with EU. A unique standard platform is used in the project, EUROCODE 3, harmonizing the design of steel structures in all Europe. Project is aimed at knowledge transfer and modernization of design process in the steel industry of CCE. Several economical benefits will result from the successful completion of this project to European steel industry:(I) Application of interactive optimization procedure enables significant savings. Existing designs may be reduced 15 to 20% (CCE 30%) in weight; (II) Application of elements of concurrent design methodology may result in savings in design cost of about 15% (CCE 40%) and reduction in design time of about 30% (CCE 60%); (III) Introduction of global plastic analysis will allow for more rational description of structural behaviour what may result in considerable savings in weight of 10% to 30%; (IV) Integrated CAD/CAE/CARE/CAM system with powerful user interface will permit that learning times and costs associated with personnel training can be reduced more then 50%; (V) Conforming the EUROCODE 3 requirements and harmonizing design practices throughout EU and CCE will allow for the international cooperation; (VI) Mixed deterministic-reliability design methodology will introduce a rational approach into the design of steel structures when uncertainties, on loading or resistance variables, are governing the optimization problem. It will result in more safe, reliable, and robust structures. Reliability of structures can be increased by 2 - 3 orders.

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Coordinateur

Adem Sprl
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Adresse
9,Place de Flandre 9
7000 Mons
Belgique

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