流體結構動力耦合作用

內容概要

　　The book aims to aid designers， researchers and postgraduate students of pipes conveying fluid in predicting their dynamic behaviour for various flow velocities， fluid pressures and initial tensions as well as varying geometric and material properties. It also aims to provide practically useful information of interactions between fluids and structures.　Throughout，numerical results are carefully compared with experimental observations， and conclusions drawn as to the appropriateness and accuracy of the models used.

作者簡介

　　ZHANG YongLiang is Professor of Hydropower Engineering in Tsinghua University and director of the Hydraulics Research Institute.Born in Zhejiang， he received a BSc （Engineering）and MSc degrees from Tsinghua University in 1987 and 1989， respectively， and PhD degree in fluid-strcture interaction from Aberdeen University， United Kingdom in 2000. Zhang worked with consulting civil engineers in Philippines，Sri Lanka and China for seven years prior to starting PhD studies， and pursued PhD and Postdoc for six years in Aberdeen and London.He has been a member the faculty at Tsinghua University since 2003. He has taught courses in Coastal and Offshore Engineering and Science，Computational　Fluid　Dynamics，　Advanced Fluid Mechanics and has authored numerous technical papers and reports in several related fields. His research has often involved fluid mechanics， structural dynamics， wave theory，fluid-structure dynamic interaction and wave energy. He is a Vice president of Hydraulics Professional Committe of China Hydraulic Engineering Association.

書籍目錄

List of Principal SymbolsChapter 1　Introduction1.1　Background1.2　Objectives1.3　Procedures1.4　Outline of bookChapter 2　Theoretical model I： elastic tubes conveying steady fluid flow2.1　Introduction2.2　Review of previous work2.3　Basic assumptions and description2.4　Finite element model development2.4.1　Order of magnitude analysis2.4.2　The dynamic equilibrium equation2.5　Numerical solution2.5.1　Dynamic response2.5.2　Eigenvalues and eigenvectors2.6　Analytical model2.7　Numerical results2.8　ConclusionsChapter 3　Theoretical model H： elastic tubes conveying steady fluid flow3.1　Introduction3.2　Model formulation3.3　A numerical example3.4　ConclusionsChapter 4　Theoretical model IH： viscoelastic tubes conveying steady fluid flow4.1　Introduction4.2　Finite element model of the system4.2.1　The e]astic finite element model4.2.2　Viscoelastic material properties4.2.3　Single-degree-of-freedom viscoelastic system4.2.4　Multi-degree-of-freedom viscoelastic system4.3　A numerical example4.4　ConclusionsChapter 5　Experimental model I： tubes conveying steady fluid flow5.1　Introduction5.2　Experimental set-up5.2.1　Hydraulic piping system5.2.2　Exciting system5.2.3　Sensing system5.2.4　Data acquisition and processing system5.3　Experimental procedures and analysis5.3.1　Experimental procedures5.3.2　Experimental analysis5.4　Experimental measurement range5.5　Experimental uncertainty5.6　Experimental results5.7　ConclusionsChapter 6　Comparison of experiment and theory： tubes conveying steady fluid flow6.1　Introduction6.2　Experimental and theoretical investigation6.2.1　Experiment6.2.2　Theory6.3　Comparison of measured and predicted dynamic response6.3.1　Effect of initial axial tensions6.3.2　Effect of flow velocities6.4　Comparison of measured and predicted natural frequencies6.4.1　 Effect of initial axial tensions6.4.2　Effect of flow velocities6.5　ConclusionsChapter 7　Theoretical model IV： Thin cylindrical shells conveying steady inviscid fluid flow7.1　Introduction7.2　Overview of previous work7.3　Governing equations7.3.1　Shell equations7.3.2　Fluid equations7.4　The method of solution7.5　Numerical examples7.5.1　Convergence analysis7.5.2　Model validation7.5.3　Effect of initial axial tensions7.5.4　Effect of hydrostatic pressures7.5.5　Effect of the flow velocities7.5.6　Effect of geometric properties7.5.7　Effect of material properties7.6　ConclusionsChapter 8　Theoretical model V： thick cylindrical shells conveying steady inviscid fluid flow8.1　Introduction8.2　Overview of previous work8.3　Formulation of the problem8.3.1　The shell equation8.3.2　The fluid equation8.3.3　Boundary conditions8.4　Method of solution8.4.1　Shell domain8.4.2　Fluid domain8.4.3　Coupling equation8.5　Results and discussion8.5.1　Convergence analysis8.5.2　Model validation8.5.3　Effect of flow velocities8.5.4　Effect of supported conditions8.5.5　Effect of material properties8.6　ConclusionsChapter 9　Comparative study of axisymmetrica thin cylindrical shells containing fluid9.1　Introduction9.2　Elemental mass and stiffness matrices9.2.1　Cylindrical frustum elements9.2.1.1　Frustum elements based on the Sanders shell theory9.2.1.2　Frustum elements based on the combination of the Sanders shell theory and FEM9.2.2　Isoparametric axisymmetrical shell elements9.3　Free vibration of axisymmetrical shells containing fluid9.4　Numerical examples9.5　ConclusionsChapter 10　Theoretical model VI： cylindrical shells conveying steady viscous fluid flow10.1　Introduction10.2　Overview of previous work10.3　Governing equations10.3.1　The Navier-Stokes equations10.3.2　Shell equation10.3.3　Boundary conditions10.4　Finite element formulation10.5　Fluid-structure coupling10.6　Results and discussion10.7　ConclusionsChapter 11　Theoretical model VII： tubes conveying pulsatile viscous fluid flow11.1　Introduction11.2　Model formulation11.3　Methods of solution11.3.1　Numerical solution I11.3.1.1　FDM11.3.1.2　MOC11.3.1.3　The combination of FDM and MOC11.3.2　Numerical solution II11.3.2.1　FEM11.3.2.2　MOC11.4　Numerical examples11.4.1　Large wave speeds11.4.2　Small wave speeds11.5　Conclusions11.5.1　Large wave speeds11.5.2　Small wave speedsChapter 12　Experimental model II ： tubes conveying pulsatile fluid flow12.1　Introduction12.2　Experimental set-up and procedures12.2.1　Pulsatile flow system12.2.2　Instrumentation12.2.3　Experimental procedures12.3　Experimental analysis12.4　Comparisons of measured and predicted results12.5　ConclusionsChapter 13　Analysis of transient flow in pipelines with fluid-structure interaction13.1　Introduction13.2　Physical model13.3　Method of solution13.4　Numerical results13.4.1　Validation13.4.2　Damping mechanisms13.4.3　Effect of Tc13.5　ConclusionsChapter 14　Transient flow in rapidly filling air-entrapped pipelines14.1　Introduction14.2　Formulation of the problem14.2.1　Fluid domain14.2.2　Entrapped air domain14.3　Coordinate transformation and scaling14.4　Method of solution14.5　Numerical results and discussion14.6　ConclusionsChapter 15　Theoretical study on charging-up process in pipelines with entrapped air15.1　Introduction15.2　Mathematical model15.3　Method of solution15.4　Numerical results15.5　ConclusionsReferencesAppendix 1　Characteristic equations and the Bessel functionAppendix 2　Isoparametric elements

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