Sökning: "buckling"

Visar resultat 1 - 5 av 102 uppsatser innehållade ordet buckling.

  1. 1. Buckling of End-Bearing Retaining Walls in Clay

    Master-uppsats, KTH/Jord- och bergmekanik; KTH/Jord- och bergmekanik

    Författare :Fredrik Jansson; Nils Nilsson; [2018]
    Nyckelord :Berliner walls; Critical loads; buckling; finite element model; Eurocode 3; Berlinerspont; Rörspont; kritisk knäckningslast; knäckning; finit element modell; Eurocode 3;

    Sammanfattning : The design of back-anchored retaining walls in Sweden has traditionally not included global elastic instability of the retaining wall as a possible failure mode. Eurocode 3 part 5 (SS-EN 1993-5) requires design of steel structural members for retaining walls to assess the risk of buckling if the normal force exceeds 4 % of the critical buckling load of the retaining wall. LÄS MER

  2. 2. Wrinkling in packaging material: Experiments and thermo-mechanical stochastic modeling

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Hållfasthetslära

    Författare :Linus Dahlström; David Johansson; [2018]
    Nyckelord :Stochastic; modeling; XCT; thermo-mechanical; Technology and Engineering;

    Sammanfattning : As one of the world leaders in food packaging, it is in the interest of Tetra Pak⃝R to increase the understanding of packaging material and how it can better be virtually modeled, using finite element (FE) simulations. The aim of this thesis is to evaluate whether a stochastic approach can be taken to generate a more realistic response than a purely deterministic one, in the aforementioned models. LÄS MER

  3. 3. Initial bow imperfection for flexural buckling of steel members - Verification and optimisation regarding analysis of columns and beam-columns

    H-uppsats, Chalmers tekniska högskola/Institutionen för arkitektur och samhällsbyggnadsteknik

    Författare :Angelica Henriksson; Josefin Panarelli; [2017]
    Nyckelord :steel; instability; buckling; initialbow imperfection; second order buckling analysis; interaction; column; beam-column; Eurocode;

    Sammanfattning : .... LÄS MER

  4. 4. Numerical Investigations on theBuckling Characteristics andAnalysis of Deformation andStress of Brush Seals

    Master-uppsats, Blekinge Tekniska Högskola/Institutionen för maskinteknik; Blekinge Tekniska Högskola/Institutionen för maskinteknik

    Författare :Tianqi Zhang; Chetan Bhandare; [2017]
    Nyckelord :ABAQUS; Buckling; Bristle; Brush seals; Fluid structural interaction;

    Sammanfattning : Brush seals are contact seals which are efficient and reliable and can beused in any rotatory machinery. A theoretical model of a brush seal wassuggested and used for a simulation study. Comparison between the resultsof the experiment and simulation is used to verify the accuracy of model. LÄS MER

  5. 5. Lateral stability analysis of frames for civilianaircraft structures

    Master-uppsats, Linköpings universitet/Mekanik och hållfasthetslära

    Författare :Oscar Grossmann; [2017]
    Nyckelord :;

    Sammanfattning : The fuselage of a civilian airplane is a quite complex structure build from slendermembers and panels. Slender members are essential to minimize the weight of theairplane. These slender structures are at risk of buckling due to high compressiveloads. LÄS MER


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