Sökning: "lattice codes"

Visar resultat 1 - 5 av 7 uppsatser innehållade orden lattice codes.

  1. 1. Optimizing the functionalities of a code for real time dynamics of finite systems

    Kandidat-uppsats, Lunds universitet/Matematisk fysik; Lunds universitet/Fysiska institutionen

    Författare :Yasser Mahfoud; [2018]
    Nyckelord :Physics and Astronomy;

    Sammanfattning : The many-body problem in quantum mechanics always presents new challenges and ways to discover new properties of existing materials. The difficulty (if not the impossibility) to solve the many-body problem analytically makes the numerical methods an appealing approach. LÄS MER

  3. 2. Aerodynamics of Sailing Yachts : Force, Pressure and sail shape measurements as bridge between experiments and numerical simulations

    Master-uppsats, KTH/Marina system

    Författare :Francesco Giacobone; [2017]
    Nyckelord :;

    Sammanfattning : The present work reports the first systematic results obtained in wind tunnel and at full scale with theexperimental apparatus developed within the joint project among Politecnico di Milano, North Sails andCSEM. The steady state upwind aerodynamics of sailing yachts are investigated through the contemporarymeasurement of global forces, distributed pressures and sail flying shapes, and with numerical simulationsbased on Potential Theory and Navier-Stokes equations. LÄS MER

  4. 3. Validation and Benchmarking of Westinghouse BWR lattice physics methods

    Master-uppsats, KTH/Reaktorteknologi

    Författare :Karol Luszczek; [2015]
    Nyckelord :Serpent; HELIOS; lattice physics; benchmarking; Monte Carlo; neutronics; reactor physics;

    Sammanfattning : A lattice physics code is a vital tool, forming a base of reactor coreanalysis. It enables the neutronic properties of the fuel assembly to becalculated and generates a proper set of data to be used by a 3-D full coresimulator. LÄS MER

  5. 4. An Aeroelastic Implementation for YachtSails and Rigs

    Master-uppsats, KTH/Marina system

    Författare :Aron Helmstad; Tomas Larsson; [2013]
    Nyckelord :;

    Sammanfattning : An aeroelastic model has been developed to determine the elastic response of sailing yachts’ rigs and sails due to the aerodynamic pressure induced on the sails by the wind. A vortex-lattice method (VLM) is used to determine the aerodynamic pressure. The structural response is calculated with a non-linear finite element method (FEM). LÄS MER

  7. 5. Elastic constants and sound velocities of Fe0.87Mn0.13 random alloy from first principles

    Kandidat-uppsats, Teoretisk Fysik; Tekniska högskolan

    Författare :Jesper Norell; [2012]
    Nyckelord :DFT; elastic constants; sound velocities; random alloys; Fe; Mn; first principles;

    Sammanfattning : In this study the elastic properties of a fcc Fe0.87Mn0.13 random alloy are studied by ab initio calculations. Ground state lattice parameters and elastic properties are calculated with Density Functional Theory using the Exact Muffin-Tin Orbital method and the Coherent Potential Approximation. LÄS MER