Jones N. Structural Impact

2nd ed. — Cambridge University Press, 2012. — XVII, 584 p. — ISBN: 978-1-107-01096-3.Structural Impact is concerned with the behaviour of structures and components subjected to large dynamic, impact and explosive loads which produce inelastic deformations and is of interest for safety calculations, hazard assessments and energy absorbing systems throughout industry. The first five chapters of this book introduce the rigid plastic methods of analysis for the static behaviour and the dynamic response of beams, plates and shells. These chapters develop the key features of the subject from an engineering viewpoint, and are followed by several chapters on various phenomena of importance to structural impact. The influence of transverse shear, rotatory inertia, finite displacements and dynamic material properties are introduced and studied in some detail. Dynamic progressive buckling, which develops in several energy absorbing systems, is then examined, while the phenomenon of dynamic plastic buckling is introduced in the penultimate chapter. The last chapter on the scaling laws is important for relating the response of small-scale experimental tests to the dynamic behaviour of full-scale prototypes. This text is invaluable to undergraduates, graduates, and professionals who want to learn more about the behaviour of structures subjected to large impact, dynamic and blast loadings producing an inelastic response
''Structural Impact is concerned with the behaviour of structures and components subjected to large dynamic, impact and explosive loads which produce inelastic deformations and is of interest for safety calculations, hazard assessments and energy absorbing systems throughout industry. The first five chapters of this book introduce the rigid plastic methods of analysis for the static behaviour and the dynamic response of beams, plates and shells.These chapters develop the key features of the subject from an engineering viewpoint, and are followed by several chapters on various phenomena of importance to structural impact. The influence of transverse shear, rotatory inertia, finite displacements and dynamic material properties are introduced and studied in some detail. Dynamic progressive buckling, which develops in several energy absorbing systems, is then examined, while the phenomenon of dynamic plastic buckling is introduced in the penultimate chapter. The last chapter on the scaling laws is important for relating the response of small scale experimental tests to the dynamic behaviour of full-scale prototypes. This text is invaluable to undergraduates, graduates, and professionals who want to learn more about the behaviour of structures subjected to large impact, dynamic and blast loadings producing an inelastic responseюPreface to the Second Edition
Preface to the First EditionStatic Plastic Behaviour of BeamsBasic Equations for Beams
Plastic Collapse Theorems for Beams
Static Plastic Collapse of a Cantilever
Static Plastic Collapse of a Simply Supported Beam
Static Plastic Collapse of a Fully Clamped Beam
Static Plastic Collapse of a Beam Subjected to a Concentrated Load
Static Plastic Collapse of a Partially Loaded Beam
Experiments on Beams
Final Remarks problemsStatic Plastic Behaviour of Plates and ShellsGeneralised Stresses and Strains
Basic Concepts
Plastic Collapse Theorems
Basic Equations for Circular Plates
Static Plastic Collapse Pressure of Circular Plates
Basic Equations for Rectangular Plates
Static Plastic Collapse Pressure of Rectangular Plates
Basic Equations for Cylindrical Shells
Static Collapse Pressure of a Long Reinforced Cylindrical Shell
Static Plastic Collapse of a Ring-Loaded Cylindrical Shell
Experiments on Plates and Shells
Final Remarks ProblemsDynamic Plastic Behaviour of BeamsGoverning Equations for Beams
Simply Supported Beam, pc ≤ p0 ≤ 3pc
Simply Supported Beam, p0 3pc
Simply Supported Beam Loaded Impulsively
Fully Clamped Beam, ¯ pc ≤ p0 ≤ 3¯ pc
Fully Clamped Beam, p0 3¯ pc
Impact of a Mass on a Fully Clamped Beam
Impact of a Cantilever Beam
Final Remarks problemsDynamic Plastic Behaviour of PlatesGoverning Equations for Circular Plates
Annular Plate Loaded Dynamically
Simply Supported Circular Plate Loaded Dynamically, pc ≤ p0 ≤ 2pc
Simply Supported Circular Plate Loaded Dynamically, p0 2pc
Fully Clamped Circular Plate Loaded Impulsively
Governing Equations for Rectangular Plates
Simply Supported Square Plate Loaded Dynamically, pc ≤ p0 ≤ 2pc
Simply Supported Square Plate Loaded Dynamically, p0 2pc
Final Remarks problemsDynamic Plastic Behaviour of ShellsGoverning Equations for Cylindrical Shells
Long Cylindrical Shell
Long Reinforced Cylindrical Shell
Fully Clamped Short Cylindrical Shell
Elastic, Perfectly Plastic Spherical Shell Subjected to a Spherically Symmetric Dynamic Pressure
Shallow Shells
Some Comments on Spherical Shells
Influence of Pressure Pulse Characteristics
Final Remarks problemsInfluence of Transverse Shear and Rotatory InertiaGoverning Equations for Beams
Transverse Shear Effects in a Simply Supported Beam Loaded Impulsively
mpact of a Mass on a Long Beam
Transverse Shear Effects in a Simply Supported Circular Plate
Transverse Shear Effects in Cylindrical Shells
Final Remarks problemsInfluence of Finite DisplacementsStatic Plastic Behaviour of a Beam Subjected to a Concentrated Load
Static Plastic Behaviour of Circular Plates
Static Plastic Behaviour of Rectangular Plates
Dynamic Plastic Behaviour of Rectangular Plates
Dynamic Plastic Behaviour of Beams
Dynamic Plastic Behaviour of Circular Plates
Dynamic Plastic Behaviour of a Circular Membrane
Mass Impact Loading of Plates
Final Remarks problemsStrain-Rate-Sensitive Behaviour of MaterialsMaterial Characteristics
Constitutive Equations
Theoretical Solutions of Idealised Models
Theoretical Behaviour of Strain-Rate-Sensitive Structures
Final Remarks problemsDynamic Progressive BucklingStatic Axial Crushing of a Circular Tube
Dynamic Axial Crushing of a Circular Tube
Static Axial Crushing of a Square Tube
Dynamic Axial Crushing of a Square Tube
Comparison of the Axial Crushing Characteristics of Circular and Square Tubes
Some Comments on Energy Absorption Systems
Structural Crashworthiness
Structural Protection
Final Remarks ProblemsDynamic Plastic BucklingDynamic Elastic Buckling of a Bar
Dynamic Plastic Buckling of a Bar
Dynamic Plastic Buckling of a Circular Ring Subjected to an External Impulse
Dynamic Axial Plastic Buckling of a Long Cylindrical Shell
Critical Impulsive Radial Velocity for Collapse of a Cylindrical Shell without Buckling
Final Comments problemsScaling LawsIntroduction to Geometrically Similar Scaling
Phenomena Which Do Not Scale Geometrically
Dimensional Analysis
Crack Propagation in Elastic Structures
Ductile–Brittle Fracture Transitions
Experimental Results on the Scaling of Structures Loaded Dynamically
Final Comments problemsAppendixPrincipleofVirtualWork
Path-Dependence of an Inelastic Material
PrincipleofVirtualVelocities
Consistent Sets of Equilibrium Equations and Geometrical Relations
Buckingham Π-Theorem
Quasi-Static Behaviour
Martin’s Upper Bound Displacement TheoremAnswers to Selected Problems
Author Index
Subject Index