Sökning: "high order methods"

Visar resultat 21 - 25 av 1720 avhandlingar innehållade orden high order methods.

  1. 21. Path Inference of Sparse GPS Probes for Urban Networks Methods and Applications

    Författare :Mahmood Rahmani; Harilaos Koutsopoulos; Clas Rydergren; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; map-matching; path inference; sparse GPS probes; FCD; urban area; digital road network; Stockholm; taxi; iMobility Lab; MapViz; travel time; SRA - Transport; SRA - Transport;

    Sammanfattning : The application of GPS probes in traffic management is growing rapidly as the required data collection infrastructure is increasingly in place in urban areas with significant number of mobile sensors moving around covering expansive areas of the road network. Most travelers carry with them at least one device with a built-in GPS receiver. LÄS MER

  2. 22. Boundary integral methods for Stokes flow Quadrature techniques and fast Ewald methods

    Författare :Oana Marin; Anna-Karin Tornberg; Anita Layton; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; boundary integral; Stokes flow; quadrature rule; Ewald decomposition;

    Sammanfattning : Fluid phenomena dominated by viscous effects can, in many cases, be modeled by the Stokes equations. The boundary integral form of the Stokes equations reduces the number of degrees of freedom in a numerical discretization by reformulating the three-dimensional problem to two-dimensional integral equations to be discretized over the boundaries of the domain. LÄS MER

  3. 23. High-order numerical methods for advection in atmospheric models

    Detta är en avhandling från Stockholm : Stockholm University

    Författare :Elías Valur Hólm; [1994]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Meteorologi; Atmosfären;

    Sammanfattning : .... LÄS MER

  4. 24. Development of Elicitation Methods for Managerial Decision Support

    Detta är en avhandling från Stockholm : Stockholm University

    Författare :Ari Riabacke; Love Ekenberg; Mats Danielson; [2007]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; elicitation methods; probability and utility assessment; interval estimations; Business Intelligence; prescriptive methods; risk elicitaion; decision; decision making; managerial decision making; decision making under risk; BI; decision theory; management; beslutsproblematik; tumregler; intuitivt beslutsfattande; intuition beslut; decision problem; beslutsanalys; beslutsteori; ledarskap; management; beslutsfattande; magkänsla; beslutsproblem; BI; Business Intelligence; SOCIAL SCIENCES Statistics; computer and systems science Informatics; computer and systems science Computer and systems science; SAMHÄLLSVETENSKAP Statistik; data- och systemvetenskap Informatik; data- och systemvetenskap Data- och systemvetenskap;

    Sammanfattning : Decision‐makers in organisations and businesses make numerous decisions every day, and these decisions are expected to be based on facts and carried out in a rational manner. However, most decisions are not based on precise information or careful analysis due to several reasons. People are, e.g. LÄS MER

  5. 25. Uncertainty Quantification and Numerical Methods for Conservation Laws

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Per Pettersson; Jan Nordström; Gianluca Iaccarino; Gunilla Kreiss; Rémi Abgrall; [2013]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; uncertainty quantification; polynomial chaos; stochastic Galerkin methods; conservation laws; hyperbolic problems; finite difference methods; finite volume methods; Beräkningsvetenskap med inriktning mot numerisk analys; Scientific Computing with specialization in Numerical Analysis;

    Sammanfattning : Conservation laws with uncertain initial and boundary conditions are approximated using a generalized polynomial chaos expansion approach where the solution is represented as a generalized Fourier series of stochastic basis functions, e.g. orthogonal polynomials or wavelets. LÄS MER