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Wyniki wyszukiwania dla: SHM
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Wyniki wyszukiwania dla: SHM

  • SHM System of the Roof Structure of Sports Arena “Olivia”

    The paper presents a structural health monitoring system of the Sports Arena “Olivia” in Gdansk, Poland. The system was installed because of doubts about the roof stability due to observed buckling of the steel truss members. The SHM system was based on nonlinear FEM models used for detection of type of near failure modes of the roof. The application of detailed FEM model in current state updated on data from in situ loading testes...

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  • MICROBIOLOGY-SGM

    Czasopisma

    ISSN: 1350-0872 , eISSN: 1465-2080

  • Reference FEM model for SHM system of cable-stayed bridge in Rzeszów

    The paper presents the references model for structural health monitoring system (SHM) of cable-stayed bridge recently constructed in Rzeszów over Wisłok River. The SHM system is design to provide on-line information on the structure state and facilitate its maintenance procedures. The main feature of the SHM system is permanent observation of the dynamic behavior of the bridge with focus on cable vibrations. The paper discusses...

  • Trihalometany (THM)

    Publikacja

    - Rok 2002

    Opisano powstawanie trohalometanów w trakcie chlorowania wody do picia orazdwie metody ich oznaczania z wykorzystaniem ekstrakcji ciecz-ciecz i ozna-czaniem techniką GC-ECD oraz metodą bezpośredniego dozowania próbki wody dokapilarnej kolumny chromatograficznej połączonej z detektorem wychwytu elek-tronów (DAI-GC-ECD).

  • Spectral Finite Element Method for Propagation of Elastic Waves in Wind Turbine Blades for SHM

    Publikacja

    - Rok 2012

    W pracy przedstawiono model łopaty turbiny wiatrowej zbudowany z wykorzystaniem spektralnych elementów skończonych. Omówiono wyniki symulacji propagacji fal sprężystych i ich interakcji z uszkodzeniami w formie pęknięcia i delaminacji.

  • FEM-based wave propagation modelling for SHM: Certain numerical issues in 1D structures

    Publikacja

    The numerical modelling of structural elements is an important aspect of modern diagnostic systems. However, the process of numerical implementation requires advanced levels of consideration of multiple aspects. Important issues of that process are the positive and negative aspects of solution applied methods. Therefore the aim of this article is to familiarise the reader with the most important aspects related to the process of...

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  • Selecting Features with SVM

    Publikacja

    A common problem with feature selection is to establish how many features should be retained at least so that important information is not lost. We describe a method for choosing this number that makes use of Support Vector Machines. The method is based on controlling an angle by which the decision hyperplane is tilt due to feature selection. Experiments were performed on three text datasets generated from a Wikipedia dump. Amount...

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  • Sum Coloring of Graphs.

    Publikacja

    - Rok 2004

    Rozdział jest poświęcony sumacyjnemu kolorowaniu grafów. Przedstawiono jego podstawowe własności oraz zastosowania praktyczne.

  • She Ji

    Czasopisma

    ISSN: 2405-8726 , eISSN: 2405-8718

  • Total chromatic sum for trees

    Publikacja

    - Rok 2021

    The total chromatic sum of a graph is the minimum sum of colors (natural numbers) taken over all proper colorings of vertices and edges of a graph. We provide infinite families of trees for which the minimum number of colors to achieve the total chromatic sum is equal to the total chromatic number. We construct infinite families of trees for which these numbers are not equal, disproving the conjecture from 2012.

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