| Description |
1 online resource (242 pages) |
| Contents |
Cover -- Title Page -- Copyright Page -- Contents -- Preface -- Chapter 1 Introduction -- 1.1 Brief Review of Steps in CFD Modeling -- 1.2 CFD for Wind Engineering or Computational Wind Engineering -- References -- Chapter 2 Introduction to Fluid Mechanics: Mathematical and Numerical Modeling -- 2.1 Navier-Stokes Equations -- 2.2 Governing Equations for Compressible Newtonian Flow -- 2.3 Definition of Convection and Diffusion -- 2.4 Derivation of Bernoulli Equations -- 2.5 Velocity Computation in an Incompressible, Irrotational, Steady, and Inviscid Flow -- 2.6 Nondimensional NS Equations -- 2.7 Properties of Fluids -- 2.7.1 Properties of Air -- 2.7.2 Change in Velocity to Change in Energy -- 2.7.3 Change in Temperature to Change in Energy -- 2.8 Solution of Linear and Nonlinear Equations -- 2.9 Laminar and Turbulent Flow -- 2.10 Velocity Spectrum and Spectrum Considered by Different Turbulence Models -- 2.11 Turbulence Modeling -- 2.12 Law of the Wall -- 2.13 Boundary Layer Depth Estimation -- 2.14 Chapter Outcome -- Problems -- References -- Chapter 3 Finite Difference Method -- 3.1 Introduction to Finite Difference Method -- 3.2 Example for 2D Potential Problem and Solution of Simultaneous Equations-Direct and Iterative Methods -- 3.3 Finite Difference Method of Approximating the Partial Differential Equation -- 3.3.1 Introduction to Finite Difference Method -- 3.3.2 Physical Problem and Modeling -- 3.3.3 Direct Method of Solution -- 3.3.4 Memory Requirements for a 100 × 100 Mesh -- 3.3.5 Iterative Method by Gauss-Siedel (GS) or Successive Over Relaxation (SOR) -- 3.3.6 Details of Program Pcham.f. -- 3.3.7 Optimum Relaxation Parameter RF for SOR -- 3.3.8 Inviscid Flow Over a Square Cylinder or Building -- 3.3.9 Iterative Solvers Used in Practical Applications -- 3.4 Unsteady Problem-Explicit and Implicit Solution for the Wave Equation |
|
3.4.1 Discretization of the Wave Equation by Different FDM Schemes -- 3.4.2 Input Preparation -- 3.4.3 Information Needed to Solve Unsteady Problems -- 3.5 Solution of the Incompressible Navier-Stokes (NS) Equations -- 3.6 Storage of Variables in Staggered and Nonstaggered Grid Systems -- 3.7 Node and Cell-Centered Storage Locations -- 3.8 Structured and Unstructured Grid Systems -- 3.9 Variable Storage Methods -- 3.10 Practical Comments for Solving the NS equation -- 3.11 Chapter Outcome -- Problems -- References -- Chapter 4 Introduction to Wind Engineering: Wind Effects on Structures and Wind Loading -- 4.1 Wind Velocity Profile Due to Ground Roughness and Height -- 4.1.1 Wind Velocity with Height -- 4.2 Topographic Effect on Wind Speed -- 4.3 Wind Speed and Wind Pressure -- 4.4 Wind and Structure Interaction -- 4.4.1 Shape Effect -- 4.4.2 Structural Dynamic Effect in the Along-Wind Direction -- 4.4.3 Structural Dynamic Effect in the Across-Wind Direction -- 4.5 Opening in the Building -- 4.6 Phenomena not Considered by the ASCE 7-16 -- 4.7 ASCE 7-16 on Method of Calculating Wind Load -- References -- Chapter 5 CFD for Turbulent Flow -- 5.1 Mean and Peak Pressure Coefficients from ASCE 7-16 and Need for CFD -- 5.2 Procedure for CFD Modeling -- 5.3 Need for Nondimensional Flow Modeling -- 5.4 Flow Over 2D Building and Flow Over an Escarpment -- 5.4.1 Program uvps3.f, to Study Flow Over a Hill or Flow Around a Building -- 5.5 Pressure on the Texas Tech University (TTU) Building Without Inflow Turbulence -- 5.5.1 Mathematical and Numerical Modeling -- 5.5.2 Detail of the TTU Building and the Computational Region -- 5.5.3 Grid Generation -- 5.5.4 Time Step and Total Time to Run -- 5.5.5 Details of Program yif2.f -- 5.5.6 Files Needed to Run the Program -- 5.5.7 Input Data File: yif-i.txt -- 5.5.8 Output Detail -- 5.5.9 Screen Writing |
|
5.5.10 File Detail: yif-o.plt -- 5.5.11 File Detail: yif-o2.plt -- 5.5.12 File Detail: yif-o3.plt -- 5.5.13 File Detail: yif-p.plt -- 5.5.14 File Detail: prcon.plt -- 5.6 Unsteady Flow over Building -- 5.6.1 Pressure on the TTU Building with Inflow Turbulence -- 5.6.2 Inflow Turbulence Generation Methods -- 5.6.3 Inflow Turbulence Effect on Flow and Pressure Without Building -- 5.6.4 Computation of Wind Spectrum Using the Program yif2.f -- 5.6.5 Peak Pressure on TTU Building Using Inflow Turbulence -- 5.7 Flow Around a Cylinder and Practical Relevance to Bridge Aerodynamics -- 5.8 Chapter Outcome -- Problems -- References -- Chapter 6 Advanced Topics -- 6.1 Grid Generation for Practical Applications -- 6.1.1 Flow Around Complex Building and Bridge Shapes -- 6.2 Structural Aeroelasticity and Structural Dynamics -- 6.2.1 Fluid-Structure Interaction (FSI) Methods -- 6.2.2 Moving Grid for FSI Computation -- 6.2.3 Vortex Shedding -- 6.2.4 Galloping of a Rectangular Cylinder -- 6.2.5 Bridge Aerodynamics -- 6.2.5.1 Fixed Bridge Computation -- 6.2.5.2 Movable Bridge Computation for Critical Flutter Velocity Using Moving Bridge -- 6.2.5.3 Estimation of Negative Damping Coefficient of a Bridge Considering the Response as a Free Vibration -- 6.3 Inflow Turbulence by Body Forcing -- 6.4 CFD for Improving Wind Turbine Performance and Siting and Wind Tunnel Design -- 6.4.1 Actuator Disc Method (ADM) -- 6.4.2 Actuator Line Method (ALM) -- 6.4.3 Multiple Reference Frame -- 6.4.4 Sliding Mesh Model or Rigid Body Motion Model -- 6.4.5 Wind Tunnel Flow Modeling and Design -- 6.4.6 Improving Wind Turbine Performance -- 6.5 Tornado-Structure Interaction -- 6.5.1 Tornado Models for Engineering Applications -- 6.5.2 Analytical Vortex Model -- 6.5.3 Vortex Generation Chamber Models -- 6.5.3.1 Stationary Vortex Chamber -- 6.5.3.2 Moving Vortex Chamber |
|
6.6 Wind Environment Around Buildings -- 6.7 Pollutant Transport Around Buildings -- 6.8 Parallel Computing for Wind Engineering -- 6.9 Chapter Outcome -- References -- Chapter 7 Introduction to OpenFOAM Application for Wind Engineering (an Open-Source Program) -- 7.1 Introduction to OpenFOAM and ParaView for Wind Engineering -- 7.1.1 OpenFOAM for Wind Engineering -- 7.1.2 Grid Generation -- 7.1.3 Visualization -- 7.2 Installation of OpenFOAM, ParaView, and Running a Sample File -- 7.2.1 Installation of OpenFOAM and ParaView -- 7.2.2 Running a Problem Using OpenFOAM -- 7.3 CFD Solvers and Explanation of Input File for Flow Around a Cube -- 7.3.1 Numerical Schemes and Solvers for the NS equation -- 7.3.2 Flow Around a Cube Using Uniform Inflow -- 7.3.3 Detail of "constant" Directory -- 7.3.4 Detail of "0" Directory -- 7.3.5 Grid Generation Using blockMesh -- 7.3.6 Detail of "fvSchemes" File -- 7.3.7 Detail of "fvSolution" File -- 7.3.8 Detail of "controlDict" File -- 7.3.9 Time Variation of Data -- 7.3.10 Space Data Retrieval from ParaView -- 7.4 Visualization Using ParaView -- 7.4.1 Loading the Data from OpenFOAM for Visualization -- 7.4.2 3D view with Grid Axes and Grid Spacing on the Building -- 7.4.3 Contour on xz Slice -- 7.4.4 Velocity Vector Diagram -- 7.4.5 Streamline Plot for xz Slice -- 7.4.6 Retrieval or Plotting of Data Along a Line Using ParaView -- 7.5 Analysis of Flow Over Cube Data for Uniform Flow at the Inlet -- 7.6 Computation of Turbulent Flow Over a Cube -- 7.6.1 Detail of "constant" Directory -- 7.6.2 Detail of "system" Directory -- 7.6.3 Inflow Details -- 7.7 Multilevel Mesh Resolution Using snappyHexMesh Mesh Generator in OpenFOAM -- 7.7.1 Procedure to Use snappyHexMesh Mesh Generator -- 7.7.2 Running the Case File buildingLES2 -- 7.7.3 Selection of Time Step and Total Computational Time -- 7.8 Challenges in Using OpenFOAM |
|
7.9 Summary and Conclusions -- 7.10 Chapter Outcome -- Problems -- References -- Appendix A Tecplot for Visualization -- Appendix B Random Process for Wind Engineering -- Appendix C Direct Solution of Ax = b by A-1 -- Index -- EULA |
| Notes |
Description based on publisher supplied metadata and other sources |
| Subject |
Wind-pressure.
|
|
Computational fluid dynamics.
|
|
wind loads.
|
|
Computational fluid dynamics
|
|
Wind-pressure
|
| Form |
Electronic book
|
| ISBN |
9781119845065 |
|
1119845068 |
|
