Sökning: "Metamodeller"

Hittade 3 avhandlingar innehållade ordet Metamodeller.

  1. 1. Reliability-Based Assessment and Optimization of High-Speed Railway Bridges

    Författare :Reza Allahvirdizadeh; Raid Karoumi; Andréas Andersson; Daniel Straub; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; High-speed railway bridges; Bridge dynamics; Running safety; Passenger comfort; Structural reliability; Meta-models; Surrogate models; Adaptive sampling; Reliability-based design optimization; Höghastighetsjärnvägsbroar; Brodynamik; Trafiksäkerhet; Passagerarkomfort; Konstruktioners tillförlitlighet; Metamodeller; Surrogatmodeller; Adaptiv sampling; Tillförlitlighetsbaserad designoptimering; Structural Engineering and Bridges; Bro- och stålbyggnad;

    Sammanfattning : Increasing the operational speed of trains has attracted a lot of interest in the last decades and has brought new challenges, especially in terms of infrastructure design methodology, as it may induce excessive vibrations. Such demands can damage bridges, which in turn increases maintenance costs, endangers the safety of passing trains and disrupts passenger comfort. LÄS MER

  3. 2. Improving IT Architecture Modeling Through Automation : Cyber Security Analysis of Smart Grids

    Författare :Margus Välja; Robert Lagerström; Ulrik Franke; Ulrike Steffens; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical Engineering; Elektro- och systemteknik;

    Sammanfattning : Contemporary organizations depend on IT to reach their goals but the organizations are constantly adapting to changing market conditions and these changes need to be reflected in the IT architecture. Modeling is often used to manage complex architectures allowing to abstract details and focus on the most important aspects. LÄS MER

  4. 3. Design Automation for Multidisciplinary Optimization : A High Level CAD Template Approach

    Författare :Mehdi Tarkian; Johan Ölvander; Xiaolong Feng; Fredrik Elgh; Linköpings universitet; []
    Nyckelord :;

    Sammanfattning : In the design of complex engineering products it is essential to handle cross-couplings and synergies between subsystems. An emerging technique, which has the potential to considerably improve the design process, is multidisciplinary design optimization (MDO).MDO requires a concurrent and parametric design framework. LÄS MER