Dynamics and control of advanced structures and machines

✍ Scribed by Irschik, Hans(Editor);Krommer, Michael(Editor);Belyaev, Alexander K(Editor)

• Publisher: Springer
• Year: 2016;2017
• Tongue: English
• Leaves: 234
• Category: Library

✦ Synopsis

Free and forced vibrations of fuzzy structures -- Resonance of a series of train cars traveling over multi-span continuous -- Stability and supercritical deformation of a circular ring with intrinsic curvature -- Estimation of mechanical properties of micro-lattice panel with irregular cells -- Overview reading and comparing the seismic proof capability of displacement dependent semi-active hydraulic damper and accumulated semi-active hydraulic damper -- On necessary and sufficient conditions for eigenstrain-type control of stresses in the dynamics of force-loaded elastic bodies -- Variational principles for different representations of Lagrangian and Hamiltonian systems -- Hardware-in-the-loop testing of high-speed pantographs using real-time catenary emulation -- Swelling-induced bending of hydrogel bistrips -- Determination of parameters of the external electric circuits providing maximum damping of vibrations of electroelastic bodies -- Forming of woven-reinforced thermoplastic-matrix composites: characterization, modeling, and validation -- Model predictive temperature control of a distribution system for chemicals -- Hidden oscillations in electromechanical systems -- Effect of material layers in a compound circular receiver model design for concentrating solar power -- On multiple support excitation analysis of bridges -- Control of friction by surface microgeometry variation -- Peculiarities of the magnetic behavior of pipe steels with different initial stress-strain states under elastic deformation -- Cable-stayed bridges: a monitoring challenge -- Dynamics and control of motion for systems containing internal moving masses -- Elaborations from the TKB monitoring database -- Reduced order models and localized non-linearity: an approach to the design of meta-structures -- Contact of flexible elastic belt with two pulleys -- Control over internet of oscillations for group of pendulums -- Effect of the load modelling strategy on the dynamic response prediction of bridges subjected to high-speed trains -- Mechanical properties of epoxy resins filled with nano-silica particles.;The papers in this volume present and discuss the frontiers in the mechanics of controlled machines and structures. They are based on papers presented at the International Workshop on Advanced Dynamics and Model Based Control of Structures and Machines held in Vienna in September 2015. The workshop continues a series of international workshops held in Linz (2008) and St. Petersburg (2010).

✦ Table of Contents

Preface......Page 5
Acknowledgements......Page 6
Contents......Page 7
Free and Forced Vibrations of Fuzzy Structures......Page 10
1 Introduction......Page 11
2 Effects on Free Vibrations: Example: Fuzzy Sandwich Beam......Page 12
3 Effects on Forced Vibrations: Example: Fuzzy Compound Railway Bridge......Page 15
3.1 Some Numerical Results for a Standard Compound Bridge: Concrete Deck, Two Steel Girders......Page 17
References......Page 19
1 Introduction......Page 20
2 VBI Problem......Page 21
2.1 Rigid-VBI Element......Page 22
2.2 VBI Analysis Using FEM......Page 24
3 Resonant Speeds......Page 25
4.1 Resonant Response Analysis......Page 26
4.2 Maximum Acceleration of Train Cars Versus Train Speed......Page 28
5 Concluding Remarks......Page 29
References......Page 30
1 Introduction and Statement of the Problem......Page 31
2 Nonlinear Theory of Classical Rods......Page 32
3 Linearized Equations of a Pre-stressed Rod and Stability of Static Equilibrium......Page 34
4 Pre-stressed Ring with Intrinsic Curvature......Page 35
5 Buckling Analysis......Page 36
6 Supercritical Deformation......Page 37
7 Finite Element Simulation with a Shell Model......Page 38
References......Page 40
1 Introduction......Page 41
2 Method of Numerical Analysis......Page 42
3.1 Stress–Strain Curves of Lattice Panel With and Without Missing Cell Region......Page 43
3.2 Effect of Missing Cell Region on Initial Stiffness E......Page 44
3.3 Effect of Missing Cell Region on Plastic Collapse Strength σpl......Page 47
References......Page 49
1 Introduction......Page 50
2 Design Concept of Semi-Active Hydraulic Dampers......Page 51
2.1.2 Element Hysteretic Behavior of DSHD......Page 52
2.2.2 Element Hysteretic Behavior of ASHD......Page 54
2.4 Analysis Results......Page 56
3 Conclusions......Page 57
References......Page 58
On Necessary and Sufficient Conditions for Eigenstrain-Type Control of Stresses in the Dynamics of Force-Loaded Elastic Bodies......Page 59
1.2 Introduction of a Static Intermediate Configuration......Page 60
1.4 Stress-Based Reformulation......Page 61
2.2 Direct Solution of the Stress Tracking Problem......Page 62
2.3 Stability Issues......Page 63
2.4 Recalling the Three-Dimensional Solution......Page 65
3.2 Conditions for Stress Tracking in the One-Dimensional Case......Page 66
3.3 Linear Elastic Rod with End-Mass and Support Excitation......Page 67
References......Page 70
1 Introduction......Page 71
2 Variational Calculus and the Hamiltonian Counterparts......Page 72
3 An Extended Example......Page 74
3.2.1 Symplectic Approach......Page 75
3.2.2 Energy Variables......Page 77
References......Page 79
1 Introduction......Page 80
2 Catenary Model......Page 81
3 Perfectly Matched Layer-Based Boundary Dynamics via Control......Page 83
4 Emulation of Catenary Behavior on a HiL Test Rig......Page 84
5 Numerical Results......Page 87
References......Page 88
1 Introduction......Page 89
2 Continuum Theory of Polymeric Gels......Page 90
3 Finite Element Modeling of Hydrogel Bistrips......Page 92
4 Results and Discussion......Page 93
5 Conclusions......Page 95
References......Page 96
1 Introduction......Page 97
2 Optimization of the External Electric Circuit Parameters Based on the Solution of Natural Vibration Problem......Page 98
3 Verification of the External Circuit Parameters Using the Equivalent Circuit Approach......Page 100
4 Conclusion......Page 103
References......Page 104
1 Introduction......Page 105
2.1 In-Plane Shear......Page 106
2.3 Out-of-Plane Bending......Page 108
3.2 Mechanics-Based Models......Page 109
References......Page 111
1 Introduction......Page 113
2 Plant Description and Mathematical System Model......Page 114
3 Controller Design......Page 117
4 Implementation and Experimental Results......Page 119
5 Conclusion and Outlook......Page 120
References......Page 121
1 Introduction......Page 122
2 Unbalanced Rotor on a Rigid Platform......Page 123
2.1 Sommerfeld Effect in the System......Page 124
2.2 Absence of the Sommerfeld Effect......Page 125
3 Conclusion......Page 126
References......Page 127
1 Introduction......Page 128
2.1 Heat Conduction Problem......Page 130
2.2 Thermal Stress Problem......Page 132
3 Numerical Results and Discussion......Page 135
4 Conclusion......Page 138
References......Page 139
1 Introduction......Page 140
2 Basic Equations of Motion......Page 141
3 Modeling Procedure......Page 142
4 Modal Expansion Technique......Page 144
5 Example Problem......Page 145
References......Page 146
1 Complete Sliding Contact of the Surfaces with Regular Waviness......Page 148
2 Boundary Friction of the Surfaces with Regular Microgeometry......Page 151
3 Sliding Contact with Adhesive Interaction......Page 153
4 Conclusions......Page 154
References......Page 155
1 Introduction......Page 156
2 Experimental Procedure and Material......Page 157
3 Results and Discussion......Page 158
4 Conclusion......Page 162
References......Page 163
1 Introduction......Page 164
2 Cable-Stayed Bridge Case Study......Page 165
3 Numerical Model......Page 168
4 Validation of the Numerical Model......Page 169
5 Conclusions......Page 170
References......Page 171
1 Introduction......Page 172
2 Mechanical Systems......Page 173
3 Internal Motions......Page 174
4 Linear and Quadratic Resistance......Page 176
5 Dry Friction......Page 177
References......Page 179
1 Introduction......Page 181
3 The Ting Kau Bridge, Hong Kong......Page 182
4 Collected Records and Elaborations......Page 183
References......Page 188
1 Introduction......Page 189
2 MOR Governing Relations......Page 190
3 The Helicopter Impact Exemplification......Page 191
4 Some Displacement Time Histories......Page 193
References......Page 195
1 Introduction......Page 197
2 Nonlinear Classical Theory of Rods Deforming in Plane......Page 198
3 Contact Problem Formulation......Page 199
4 The Solution Using Computer Mathematics......Page 202
5 Version with Full Contact of Belt and Pulleys......Page 203
References......Page 204
1 Introduction......Page 206
2 Digital Network Channel......Page 207
3 Theoretical Approach......Page 209
4 Simulation Results......Page 210
5 Experiments Results......Page 211
References......Page 213
1 Introduction......Page 215
2 Assessment of Various Load Modelling Strategies......Page 216
3 Parameter Variation in Mass-Spring-Damper Vehicle Model......Page 220
References......Page 223
Mechanical Properties of Epoxy Resins Filled with Nano-SilicaParticles......Page 225
1 Introduction......Page 226
2 Materials......Page 227
3 Experimental Procedure......Page 229
4 Results......Page 230
5 Discussion......Page 231
References......Page 233