Simple spatially-distributed models for predicting flood inundation: A review

Regular Article: Multidimensional Slope Limiters for MUSCL-Type Finite Volume Schemes on Unstructured Grids

Computations of film boiling. Part I: numerical method

Large Eddy Simulations (LES) of arrays of wind turbines in the atmospheric turbulent boundary layer with many turbines often require simplifled models for the efiects of individual turbines, in order to avoid having to use very flne grid spacings near the individual (moving) turbine blades. This goal can be accomplished using the actuator disk model. This approach, however, raises several issues when implemented in the context of LES. In particular, the question is raised of which reference velocity should be used when parameterizing the induced forces: instantaneous versus time averaged, undisturbed velocity or the local one. Also, one may consider including tangential forces to represent the angular momentum in the wakes. In this paper we present several arguments to make the appropriate choices, and illustrate the efiects of these choices in LES of two wind turbine arrays, one with an aligned and one with a staggered arrangement. Predicted power outputs, as well as features of the predicted ∞ow flelds are analyzed.

/pdf/large-eddy-simulations-of-large-wind-turbine-arrays-in-the-443h4n4mp3.pdf

Large Eddy Simulations of large wind-turbine arrays in the atmospheric boundary layer

http://www.aem.umn.edu/~kmahesh/globalassets/publpdf/journal/maheshpade.pdf

A Family of High Order Finite Difference Schemes with Good Spectral Resolution

THE MATHEMATICAL MODELS FOR FLUID FLOW SIMULATIONS AT VARIOUS LEVELS OF APPROXIMATION. The Basic Equations of Fluid Dynamics. The Dynamic Levels of Approximation. The Mathematical Nature of the Flow Equations and Their Boundary Conditions. BASIC DISCRETIZATION TECHNIQUES. The Finite Difference Method. The Finite Element Method. Finite Volume Method and Conservative Discretizations. THE ANALYSIS OF NUMERICAL SCHEMES. The Concepts of Consistency, Stability, and Convergence. The Von Neumann Method for Stability Analysis. The Method of the Equivalent Differential Equation for the Analysis of Stability. The Matrix Method for Stability Analysis. THE RESOLUTION OF DISCRETIZED EQUATIONS. Integration Methods for Systems of Ordinary Differential Equations. Iterative Methods for the Resolution of Algebraic Systems. Appendix. Index.

Fundamentals of numerical discretization

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Fundamentals of numerical discretization