Sökning: "quasi-static"

Visar resultat 1 - 5 av 53 uppsatser innehållade ordet quasi-static.

  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. Backscatter Communications for 6G

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Lakshmi Rajeev Cheekati; Jin Yan; [2022]
    Nyckelord :Technology and Engineering;

    Sammanfattning : The success of future Internet of Things (IoT) depends on, among the other things, developing energy-effcient communication techniques that can enable information exchange among billions of IoT devices with ultra-low/zero power consumption requirements. Ambient backscatter communications is an emerging technology, which utilizes the ambient Radio Frequency (RF) signal as the carrier to reduce the form-factor, and the battery requirements of low-cost small sensor type communication devices. LÄS MER

  4. 3. Fatigue Life Prediction of a Topology-Optimised Polyamide-12 Part Manufactured with Multi-Jet Fusion Technology

    Master-uppsats, KTH/Lättkonstruktioner, marina system, flyg- och rymdteknik, rörelsemekanik

    Författare :Shylesh Mahendran; [2022]
    Nyckelord :Fatigue Life; Topology Optimisation; Polyamide-12; PA12; Trötthetsliv; Topologioptimering; Polyamid-12; PA12;

    Sammanfattning : Additive manufacturing methods has been prevailing for several decades and the recent technological advancements brings in the flexibility and consideration for large-scale production in the industries. The components manufactured with these methods have wide variety of applications and therefore, it is crucial to investigate the mechanical performance of the printed parts. LÄS MER

  5. 4. Fallviktsförsök på skjuvarmerade betongbalkar

    Kandidat-uppsats, KTH/Byggteknik och design

    Författare :Louise Atterling; My Widmark; [2022]
    Nyckelord :Concrete beams; impact load; dynamic load; shear reinforcement; shock load; vibrations; signals;

    Sammanfattning : Standards and regulations for dimensioning of load-bearing structures are based on the response of load-bearing structures subjected to loads without variation in time. In the event of an accidental load, e.g. a collision or explosion, causes the load to have a rapid variation in the time resulting in a dynamic response. LÄS MER

  7. 5. Material Characterization and Blade Impact Simulation

    Uppsats för yrkesexamina på avancerad nivå, Luleå tekniska universitet/Institutionen för teknikvetenskap och matematik

    Författare :Gustaf Bodare; [2022]
    Nyckelord :Strain rate dependency; Split-Hopkinson pressure bar; Digital image correlation; LS-DYNA; FEM; SPG;

    Sammanfattning : Blades used on brushcutters and lawn mowers are subjected to a wide variety of working conditions. Besides continuous loads from cutting grass, the blades are also subjected to accidental impacts of branches, stones and structures. LÄS MER