Sökning: "materialmodeller"

Visar resultat 1 - 5 av 29 uppsatser innehållade ordet materialmodeller.

  1. 1. Method Development & Analysis of Seals using FEM

    Master-uppsats, KTH/Maskinkonstruktion

    Författare :Lovisa Svanborg Östlin; [2023]
    Nyckelord :FEM; guidelines; hyperelastic materials; hyperelastic material models; method development; seals; FEM; riktlinjer; hyperelastiska material; hyperelastiska materialmodeller; metodutveckling; tätningar;

    Sammanfattning : Hyperelasticity is a significant property of rubber, taken advantage of in engineering applications. A common application is the use of seals to prevent fluid transfer (liquid or gas) between solid regions. Volvo CE is often depending on external supplier when developing seals. LÄS MER

  3. 2. Development of a subject specific 3D knee finite element model to estimate the effect of weight loss on cartilage biomechanics

    Master-uppsats, Lunds universitet/Avdelningen för Biomedicinsk teknik

    Författare :Julius Dahlgren; [2022]
    Nyckelord :biomechanics; knee; cartilage; subject-specific; finite element; FE; FEM; weight loss; osteoarthritis; Technology and Engineering;

    Sammanfattning : Osteoarthritis (OA) is a common musculoskeletal disorder that degrades articular cartilage and is a leading cause of disability worldwide. Overweight has been considered a major risk factor of knee OA, and it is known that weight loss may reduce the risk of knee OA. LÄS MER

  4. 3. Stress dependent flow behavior in sublevel caving mines

    Master-uppsats, KTH/Jord- och bergmekanik

    Författare :Linde Mattsson; [2022]
    Nyckelord :level caving; Material Flow; Mining; Discrete element modeling.;

    Sammanfattning : Sublevel caving is an underground mass mining method that utilizes the gravity-induced material flow for ore extraction. The granular flowbehavior is one of the main phenomena describing this mining method’s efficiency; therefore, a good understanding of the flow behavior is essential. LÄS MER

  5. 4. Investigation of case hardened steel subjected to torsion: An experimental and numerical elastic-plastic material study

    Master-uppsats, KTH/Hållfasthetslära

    Författare :Jonathan Fridstrand; [2022]
    Nyckelord :Torsion; Shear stress-strain relation; Elastoplastic material; Case hardened steel; Custom material model; Vridning; Skjuvtöjning och -spänning; Elastiskt-plastiskt material; Sätthärdat stål; Anpassad materialmodell;

    Sammanfattning : There is currently a knowledge gap regarding the plastic material properties of many steel types that Atlas Copco use in their high torque power tools. This makes it difficult to fully utilise the capabilities of the Finite Element Method (FEM) to aid the developmental process. LÄS MER

  7. 5. Simulations of experimental crack development in ceramic material with notched specimen

    Master-uppsats, KTH/Hållfasthetslära

    Författare :Clas Dahlin; [2022]
    Nyckelord :Solid Mechanics; Fracture mechanics; Ceramics; Dynamics; Ballistics; Hållfasthetslära; Brottmekanik; Keramer; Dynamik; Ballistik;

    Sammanfattning : Low-density armour often uses ceramic materials, as their high compressive strength and relatively low weight make the material ideal for moving in the field. The ballistic protection works by redirecting the plastic flow of the projectile radially, which reduces penetration. LÄS MER