Search for dissertations about: "high-order"

Showing result 21 - 25 of 192 swedish dissertations containing the word high-order.

  2. 21. High-order numerical methods for advection in atmospheric models

    Author : Elías Valur Hólm; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Meteorologi; Atmosfären;

    Abstract : .... READ MORE

  4. 22. Summation-by-Parts Operators for High Order Finite Difference Methods

    Author : Ken Mattsson; Nordström Jan; Gunilla Kreiss; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Dinite difference methods; accuracy; stability; dissipation; Numerical analysis; Numerisk analys; Scientific Computing; Beräkningsvetenskap; Numerical Analysis;

    Abstract : High order accurate finite difference methods for hyperbolic and parabolic initial boundary value problems (IBVPs) are considered. Particular focus is on time dependent wave propagating problems in complex domains. Typical applications are acoustic and electromagnetic wave propagation and fluid dynamics. READ MORE

  5. 23. High-order finite element methods for incompressible variable density flow

    Author : Lukas Lundgren; Murtazo Nazarov; Anders Logg; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Finite element method; artificial viscosity; Navier-Stokes equations; conservation properties; artificial compressibility; viscous regularization; variable density flow; Beräkningsvetenskap med inriktning mot numerisk analys; Scientific Computing with specialization in Numerical Analysis;

    Abstract : The simulation of fluid flow is a challenging and important problem in science and engineering. This thesis primarily focuses on developing finite element methods for simulating subsonic two-phase flows with varying densities, described by the variable density incompressible Navier-Stokes equations. READ MORE

  6. 24. High-Order Difference Approximations for Hyperbolic Initial Boundary Value Problems

    Author : Bo Strand; Bertil Gustafsson; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Numerical Analysis; Numerisk analys;

    Abstract : .... READ MORE

  7. 25. Neutron monitoring based on the higher order statistics of fission chamber signals

    Author : Zsolt Elter; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Campbelling mode; Filtered Poisson process; High order; Simulation; Neutron flux monitoring; Experiment; Fission chamber;

    Abstract : The work in this thesis corresponds to the safety aspect of Generation IV nuclear systems. One of the safety aspects concerns the enhancement of the performance of the in-vessel on-line core monitoring with neutron flux measurements. READ MORE