Object-oriented approach to interactive analysis of structures in virtual prototyping

• Autorzy: Szewczyk Z.
• Konferencja: Proceedings of the Third Seminar on Recent Research and Design Progress in Aeronautical Engineering and its Influence on Education/seminar(III; 23-25.11.1998; Warszawa, Polska)
• Języki publikacji: EN

Abstrakty

EN

The paper presents a novel, object-oriented approach to structural modeling and analysis to enable interactive, virtual prototyping in the next generation of the design environment. It is believed that the interactivity of analysis of build-up structures can only be achieved by reusing results of component analyses, therefore, the applicability of data-based analysis to the 0-0 approach is investigated in this paper. An object in the 0-0 approach is a neurocomputing model of a structural component developed for a given set of parametrized design variables, loading, and "smart" connectors. Such connectors define how the given component is connected to the assembly, and what is the validity of such a connection. Since component models can be subject to affine transformations, a family of similar structural components is available for modeling. Neurocomputing models are used to enable data-based analysis, because they can relate any design variables and load conditions to the selected system response. The applicability of feed-forward and feature-sensitive neural nets is examined in this context. Object-oriented modeling is illustrated with design of linear and geometrically nonlinear beams with a single-point (SP) connector, and a multipoint (MP) connector is used for a selected problem involving the Next Generation Space Telescope (NGST).

Słowa kluczowe

EN

neural network; linear beam; virtual prototype; aerospace

PL

sieci neuronowe; samoloty; prototypy samolotów; przestrzeń kosmiczna

• Wydawca: Institute of Aeronautics and Applied Mechanics, Warsaw University of Technology
• Czasopismo: Research Bulletin / Warsaw University of Technology, Institute of Aeronautics and Applied Mechanics
• Rocznik: 1998
• Tom: nr 8
• Strony: 11--24
• Opis fizyczny: Bibliogr. 11 poz., rys., tab.

Twórcy

autor

Szewczyk Z.

• NASA Langley Research Center, Hampton, Virginia 23681, USA