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[null,"1.","Record Nr.",null,"UNINA9910488704703321"]
[null,null,"Autore",null,"Mittelstedt Christian"]
[null,null,"Titolo",null,"Structural mechanics in lightweight engineering / / Christian Mittelstedt"]
[null,null,"Pubbl/distr/stampa",null,"Cham, Switzerland : , : Springer, , [2021]"]
[{"$nulls":4},"©2021"]
[null,null,"ISBN",null,"3-030-75193-7"]
[null,null,"Descrizione fisica",null,"1 online resource (675 pages)"]
[null,null,"Disciplina",null,"624.177"]
[null,null,"Soggetti",null,"Lightweight construction"]
[{"$nulls":4},"Structural analysis (Engineering)"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Nota di bibliografia","Includes bibliographical references and index."]
[null,null,"Nota di contenuto",null,"Intro -- Preface -- Contents -- 1 Introduction -- 1.1 Definition and Tasks of Lightweight Construction and Engineering -- 1.1.1 Introduction -- 1.1.2 What Is Lightweight Engineering? -- 1.2 Structural Analysis in Lightweight Engineering -- 1.3 Structural Optimization in Lightweight Engineering -- 1.4 Structural Elements in Lightweight Engineering -- 1.5 About the Functionality of an Aircraft Fuselage -- 1.5.1 Main Components of an Aircraft Fuselage -- 1.5.2 Loads and Classification into Structural Elements -- 1.6 Aim and Structure of This Book -- 1.7 Notes on Relevant Literature -- 1.8 A Few Notes on Nomenclature -- References -- Part I Fundamentals -- 2 Theory of Elasticity -- 2.1 Introduction -- 2.2 State of Stress -- 2.2.1 Stress Vector and Stress Tensor -- 2.2.2 Stress Transformation -- 2.2.3 Principal Stresses, Invariants, Mohr's Circles -- 2.2.4 Decomposition of the Stress Tensor -- 2.2.5 Equilibrium Conditions -- 2.3 Deformations and Strains -- 2.3.1 Introduction -- 2.3.2 Green-Lagrange Strain Tensor -- 2.3.3 Von-Kármán Strains -- 2.3.4 Infinitesimal Strain Tensor -- 2.3.5 Compatibility Conditions -- 2.3.6 Volume Strain -- 2.3.7 Decomposition of the Infinitesimal Strain Tensor -- 2.4 Constitutive Equations -- 2.4.1 Introduction -- 2.4.2 Hooke's Generalized Law -- 2.4.3 Strain Energy -- 2.4.4 Complementary Strain Energy -- 2.5 Boundary Value Problems -- 2.6 Material Symmetries -- 2.6.1 Full Anisotropy -- 2.6.2 Monotropy -- 2.6.3 Orthogonal Anisotropy/Orthotropy -- 2.6.4 Transverse Isotropy -- 2.6.5 Isotropy -- 2.6.6 Engineering Constants -- 2.6.7 Value Ranges for the Material Parameters -- 2.6.8 Alternative Representation of Isotropic Materials -- "]
[{"$nulls":4},"2.7 Transformation Rules -- 2.8 Hygrothermal Problems -- 2.9 Cylindrical Coordinates -- References -- 3 Plane Problems -- 3.1 Introduction -- 3.2 Surface Structures."]
[{"$nulls":4},"3.2.1 Plane Surface Structures: Disks and Plates -- 3.2.2 Curved Surface Structures: Shells -- 3.3 Plane State of Strain -- 3.4 Plane State of Stress -- 3.5 Stress Transformation -- 3.5.1 Introduction -- 3.5.2 Principal Stresses -- 3.5.3 Mohr's Circle -- 3.6 Strain Transformation -- 3.7 Formulation for Orthotropic Materials -- 3.7.1 Plane State of Stress -- 3.7.2 Plane State of Strain -- 3.8 Formulation for Polar Coordinates -- Bibliography -- 4 Strength Criteria for Isotropic Materials -- 4.1 Introduction -- 4.2 Principal Stress Hypothesis -- 4.3 Principal Strain Hypothesis -- 4.4 Beltrami Strain Energy Hypothesis -- 4.5 Von Mises Strain Energy Hypothesis -- 4.6 Tresca Yield Criterion -- 4.7 Coulomb-Mohr Hypothesis -- 4.8 Drucker-Prager Hypothesis -- 4.9 Cuntze's Failure Mode Concept -- Bibliography -- Part II Thin-Walled Beam Structures -- 5 Beams Under Normal Forces and Bending Moments -- 5.1 Introduction -- 5.2 Basic Equations for an Arbitrary Reference System -- 5.3 First Cross-Sectional Normalization: Center of Gravity S -- 5.4 Second Cross-Sectional Normalization: Principal Axes -- 5.5 Selected Basic Cases -- 5.6 Analysis of Arbitrarily Segmented Cross-Sections -- 5.7 Calculation of Beam Deflections -- 5.8 Rod Structures -- Bibliography -- 6 Beams Under Transverse Shear Forces -- 6.1 Introduction -- 6.2 Shear Stresses in Open Cross-Sections -- 6.2.1 Basic Equations -- 6.2.2 Simplified Analysis of an I-Cross-Section -- 6.2.3 Unit Shear Flow -- 6.3 Shear Stresses in Closed Cross-Sections -- 6.3.1 Single-Cell Cross-Sections -- 6.3.2 Multi-Cell Cross-Sections -- 6.3.3 Mixed Cross-Sections -- 6.3.4 Use of Symmetry Properties -- 6.4 Shear Center -- 6.4.1 Open Cross-Sections -- 6.4.2 Closed Cross-Sections -- Bibliography -- 7 St. Venant Torsion -- 7.1 Introduction -- 7.2 Assumptions and Constitutive Law."]
[{"$nulls":4},"7.3 Arbitrary Thin-Walled Hollow Cross-Sections -- 7.4 Open Thin-Walled Cross Sections -- 7.5 Comparison of Closed and Open Cross-Sections -- 7.6 Multi-cell Cross Sections -- 7.7 Assembled Cross-Sections -- 7.8 Effective Wall Thicknesses -- 7.8.1 Truss Girders -- 7.8.2 Stiffened Box Beams -- 7.9 Determination of Internal Forces -- Bibliography -- 8 Warping Torsion -- 8.1 Introduction -- 8.2 Warping of Open Cross-Sections -- 8.3 Warping of Closed Cross-Sections -- 8.3.1 Single Cell Cross-Sections -- 8.3.2 Multi-cell Cross-Sections -- 8.4 Unit Warping with Respect to the Shear Center -- 8.5 The First-Order Bending-Torsion Problem -- 8.6 Cross-Sectional Normalizations -- 8.6.1 First Cross-Sectional Normalization: Center of Gravity S -- 8.6.2 Second Cross-Sectional Normalization: Principal Axes -- 8.7 Example -- 8.8 Selected Basic Cases -- 8.8.1 Double Symmetrical I-Cross-Section -- 8.8.2 Single Symmetrical I-Cross-Section -- 8.8.3 C-Cross-Section -- 8.8.4 Z-Cross-Section -- 8.9 Determination of Internal Moments -- 8.9.1 Differential Equation of Warping Torsion -- 8.9.2 Selected Basic Cases -- 8.9.3 Influence of Normal Forces -- 8.10 Stress Analysis -- 8.11 Comparison of Open and Closed Cross-Sections -- Bibliography -- Part III Energy Methods -- 9 Work and Energy -- 9.1 Introduction -- 9.2 Work and Energy -- 9.2.1 Fundamentals -- 9.2.2 Internal and External Work -- 9.2.3 Principle of Work and Energy -- 9.3 Strain Energy and Complementary Strain Energy -- 9.3.1 The Rod -- 9.3.2 The Euler-Bernoulli Beam -- 9.3.3 Torsion -- 9.3.4 Combined Loading -- 9.3.5 Generalization for the Continuum -- 9.4 Application of the Principle of Work and Energy to Elastic Deformations -- 9.5 General Principle of Work and Energy of Elastostatics -- Bibliography -- 10 Principle of Virtual Displacements -- 10.1 Introduction -- 10.2 Virtual Displacements and Virtual Works."]
[{"$nulls":4},"10.3 The Principle of Virtual Displacements -- 10.3.1 Determination of Forces and Moments in Statically Determinate Systems -- 10.3.2 Influence Lines for Forces and Moments in Statically Determinate Systems -- 10.4 Pole Plans and Kinematic Chains -- 10.5 The Variational Operator δ -- 10.6 Formulation for a Continuum -- 10.7 The Rod -- 10.8 The Euler-Bernoulli Beam -- 10.9 Beam Under Torsion -- 10.10 Beam Under Combined Loads -- Bibliography -- 11 Principle of Stationary Value of the Total Elastic Potential -- 11.1 Introduction -- 11.2 Fundamentals of Calculus of Variations -- 11.2.1 Functional with First Order Derivatives -- 11.2.2 Functional with Second Order Derivatives -- 11.2.3 Functional with n-th Order Derivatives -- 11.2.4 Functional with n Functions with First Order Derivatives -- 11.3 Principle of the Stationary Value of the Total Elastic Potential -- 11.3.1 The Rod -- 11.3.2 The Euler-Bernoulli Beam -- 11.3.3 Beam Under Torsion -- 11.3.4 Beam Under Combined Load -- 11.4 First Theorem of Castiglianio -- 11.5 Theorem of Clapeyron -- Bibliography -- 12 Principle of Virtual Forces -- 12.1 Introduction -- 12.2 Virtual Forces and Complementary Virtual Work -- 12.3 The Principle of Virtual Forces -- 12.4 The Unit Load Theorem -- 12.5 The Principle of the Stationary Value of the Elastic Complementary Potential -- 12.6 Second Theorem of Castigliano -- 12.7 Theorem of Menabrea -- 12.8 The Force Method -- 12.8.1 Calculation of Deformations of Statically Determinate Systems -- 12.8.2 Analysis of Simply Statically Indeterminate Systems -- 12.9 Reciprocity Theorems -- 12.9.1 Theorem of Betti -- 12.9.2 Theorem of Maxwell -- 12.10 Calculation of Multiple Statically Indeterminate Systems -- 12.11 Influence Lines for Deformations of Statically Determinate Systems -- 12.12 The Reduction Theorem of Statics -- 12.13 Analysis of Continuous Beams -- Bibliography."]
[{"$nulls":4},"13 Energy-Based Approximation Methods -- 13.1 Introduction -- 13.2 The Ritz Method -- 13.2.1 The Euler-Bernoulli Beam -- 13.2.2 The Rod -- 13.2.3 Torsion -- 13.3 The Galerkin Method -- Bibliography -- 14 The Finite Element Method -- 14.1 Introduction -- 14.2 Finite Elements for Plane Trusses -- 14.2.1 Element Formulation and Calculation Steps -- 14.2.2 Statically Indeterminate Trusses -- 14.2.3 Examples -- 14.3 Finite Elements for Plane Systems of Straight Rods -- 14.3.1 The Two-Noded Rod Element -- 14.3.2 The Three-Noded Rod Element -- 14.4 Finite Elements for Plane Systems of Straight Beams -- 14.4.1 The Two-Noded Beam Element -- 14.4.2 Quality of the Solution, Convergence Behavior -- 14.4.3 The Three-Noded Beam Element -- 14.4.4 Comparison Ritz / FEM -- 14.5 Finite Elements for Torsion -- Bibliography -- Part IV Advanced Beam Models -- 15 Shear Field Beams -- 15.1 Introduction -- 15.2 Rectangular Skin Fields -- 15.2.1 Determination of Stiffener Forces and Shear Flows -- 15.2.2 Determination of Deformations -- 15.3 Parallelogram Skin Fields -- 15.4 Trapezoidal Skin Fields -- 15.5 Statically Indeterminate Shear Field Beams -- 15.6 Applications of the Shear Field Beam Model -- 15.6.1 Flexurally Rigid Beam Connections -- 15.6.2 Large Area Stiffened Structures -- 15.6.3 Load Introductions -- 15.6.4 Adhesive Overlap Joints -- References -- 16 The Timoshenko Beam -- 16.1 Introduction -- 16.2 Kinematics and Constitutive Law -- 16.3 Displacements and Stresses -- 16.4 Elementary Examples -- 16.5 Shear Correction Factor K -- 16.6 Energetic Consideration -- 16.7 The Force Method -- 16.7.1 Determination of Displacements -- 16.7.2 Statically Indeterminate Systems -- 16.8 The Ritz Method -- 16.9 Finite Beam Element -- References -- 17 Hybrid Beams -- 17.1 Introduction -- 17.2 Beams Under Normal Forces and Bending Moments."]
[{"$nulls":4},"17.2.1 Basic Equations for an Arbitrary Reference System."]
[null,"2.","Record Nr.",null,"UNINA9910705088003321"]
[null,null,"Titolo",null,"History from loss : a global introduction to histories written from defeat, colonization, exile, and imprisonment / / edited by Marnie Hughes-Warrington, Daniel Woolf"]
[null,null,"Pubbl/distr/stampa",null,"London ; ; New York : , : Routledge, , 2023"]
[null,null,"ISBN",null,"1-00-312749-5"]
[{"$nulls":4},"1-003-12749-5"]
[null,null,"Descrizione fisica",null,"1 online resource (196 pages)"]
[null,null,"Disciplina",null,"155.93"]
[null,null,"Soggetti",null,"Loss (Psychology)"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,"Nota di contenuto",null,"Acknowledgements -- Advisory for Aboriginal and Torres Strait Islander readers -- Contributor biographies -- List of figures -- Introduction / Marnie Hughes-Warrington and Daniel Woolf -- Chapter 1. Thucydides (ca. 460-339 BCE) / Emily Greenwood -- Chapter 2. Ammianus Marcellinus (ca 330-391 CE) / Michael P. Hanaghan -- Chapter 3. Gildas (fl. 5th or 6th century) / Stephen J. Joyce -- Chapter 4. Snorri Sturluson (1179-1241) / Sverre Håkon Bagge -- Chapter 5. Atâ-Malek Joveyni (1226-1283) / Charles Melville -- Chapter 6. Niccolò Machiavelli (1469-1527) / Gary Ianziti -- Chapter 7. Felipe Guaman Poma de Ayala (c 1550-after 1615) / Rolena Adorno -- Chapter 8. Walter Ralegh (c. 1552-1618) / Nicholas Popper -- Chapter 9. Chimalpahin (b. 1579) / Susan Schroeder -- Chapter 10. John Milton (1608-1674) / Nicholas McDowell -- Chapter 11. Edward Hyde, Earl of Clarendon (1609-1674) / Paul Seaward -- Chapter 12. Lucy Hutchinson (1620-1681) / Sarah C. E. Ross -- Chapter 13. Jonathan Swift (1667-1745) / Brian Cowan -- Chapter 14. Peter Oliver (1713-1791) / Michael D. Hattem -- Chapter 15. Nicolas de Caritat, Marquis of Condorcet (1743-94) / Simona Pisanelli -- Chapter 16. Abd al-Rahman al-Jabarti (1753-1825) / Jane Hathaway -- Chapter 17. Mary Hays (1759-1843) / Frances A. Chui -- Chapter 18. Germaine de Staël (1766-1817) / Biancamaria Fontana -- Chapter 19. Jane Austen (1775-1817) / Mary Spongberg -- Chapter 20. Andrés Bello (1781-1865) / Iman Mansour -- Chapter 21. François-Xavier Garneau (1809-1866) / Micheline Cambron -- Chapter 22. Edward A. Pollard (1832-1872) / Claire M. Wolnisty -- Chapter 23. Gabriel Dumont (1837-1906) / M. Max Hamon "]
[{"$nulls":4},"-- Chapter 24. Gerhard Ritter (1888-1967) / Christoph Cornelissen -- Chapter 25. Jawaharlal Nehru (1889-1964) / Antoon De Baets -- Chapter 26. Chen Yinke (1890-1969) / Q. Edward Wang -- Chapter 27. Anna Mikhailovna Pankratova (1897-1957) / Iva Glisic -- Chapter 28. Emanuel Ringelblum (1900-1944) and Oyneg Shabes / Samuel Kassow -- Chapter 29. Romila Thapar (1931-) / Sanne Van Der Kaaij-Gandhi -- Chapter 30. Jakelin Troy (1960-) / Ann McGrath -- Afterword / Peter Burke -- Index."]
[null,null,null,"Sommario/riassunto","\"History from Loss challenges the common thought that 'history is written by the winners' and explores how history makers in different times and places across the globe have written histories from loss, even when this has come at the threat to their own safety. A distinguished group of historians from around the globe offer an introduction to different history-makers' lives and ideas, and important extracts from their works which highlight various meanings of loss: from physical ailments to social ostracism, exile to imprisonment, and from dispossession to potential execution. Throughout the volume consideration of the information 'bubbles' of different times and places helps to show how information has been weaponised to cause harm. In this way, the text helps to put current debates about the biases and weaponization of platforms such as social media into global and historical perspective. In combination, the chapters build a picture of history from loss which is global, sustained, and anything but a simple mirror of history made by victors. The volume also includes an Introduction and Afterword which draw out the key meanings of history from loss, and which offer ideas for further exploration. History from Loss provides an invaluable resource for students, teachers, and general readers who wish to put current debates on bias, the politicization of history, and threats to history makers into global and historical perspective\"-- Provided by publisher."]