نتایج جستجو برای: stiffeners modelling

تعداد نتایج: 162762  

2002
Vladimir B. Gantovnik Christine M. Anderson-Cook Zafer Gürdal Layne T. Watson

This paper describes a new approach for reducing the number of the fitness function evaluations required by a genetic algorithm (GA) for optimization problems with mixed continuous and discrete design variables. The proposed additions to the GA make the search more effective and rapidly improve the fitness value from generation to generation. The additions involve memory as a function of both d...

Journal: : 2021

Nowadays, Engineers are actively seeking to improve construction materials and properties. In that, the usage of castellated beam is become very popular due its advantageous structural applications. existing researches described presence large openings in web that creates different mechanical behaviour compared strong beams. While it does not deal with shear strength performances beam, which li...

This commentary considers the positive and negative consequences of early economic modelling and explores potential future directions. Early economic modelling offers device manufacturers an opportunity to assess the potential value of an innovation at an early stage of development. Early modelling can direct resources into potentially viable technologies and reduce inv...

Journal: :Marine Structures 2021

This paper presents a practical procedure for creating finite element (FE) model vibration analysis of cruise ships. The most preferable FE modelling approaches are studied and discussed through case studies common ship structures, which cover the range from low to high frequencies. application homogenized equivalent single layer (ESL) theory based stiffened panel is extended local forced analy...

Abstract Purpose-The purpose of this paper is to review a sample of the literature relating to Interpretive Structural Modelling (ISM) and its deployment for modelling purposes in the area of supply chain management (SCM). Design/methodology/approach- The literature is examined from the three perspectives. First, concept of ISM and examines ISM as modelling technique. Second, use of ISM by ...

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