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B-spline based finite element method in one-dimensional discontinuous elastic wave propagation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F17%3A00473856" target="_blank" >RIV/61388998:_____/17:00473856 - isvavai.cz</a>

  • Alternative codes found

    RIV/44555601:13420/17:43893424

  • Result on the web

    <a href="http://dx.doi.org/10.1016/j.apm.2017.01.077" target="_blank" >http://dx.doi.org/10.1016/j.apm.2017.01.077</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.apm.2017.01.077" target="_blank" >10.1016/j.apm.2017.01.077</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    B-spline based finite element method in one-dimensional discontinuous elastic wave propagation

  • Original language description

    The B-spline variant of the finite element method (FEM) is tested in one-dimensional discontinuous elastic wave propagation. The B-spline based FEM (called Isogeometric analysis IGA) uses spline functions as testing and shape functions in the Galerkin continuous content. Here, the accuracy of stress distribution and spurious oscillations of the B-spline based FEM are studied in numerical modeling of one-dimensional propagation of stress discontinuities in a bar, where the analytical solution is known. For time integration, the Newmark method, implicit form of the generalized-α method, the central difference method and the predictor/multi-corrector method are tested and compared. The use of lumped and consistent mass matrices in explicit time integration is discussed. Due to accuracy, the consistent mass matrix is preferred in explicit time integration in IGA.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10307 - Acoustics

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Applied Mathematical Modelling

  • ISSN

    0307-904X

  • e-ISSN

  • Volume of the periodical

    46

  • Issue of the periodical within the volume

    June

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    14

  • Pages from-to

    382-395

  • UT code for WoS article

    000403742000024

  • EID of the result in the Scopus database

    2-s2.0-85020014330