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1. |
Record Nr. |
UNINA990003212460403321 |
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Titolo |
A Survey of the Liberalisation of Public Enterprises in the UK since 1979 / Michael G. Pollitt |
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Collana |
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DAE Working Paper / Department of Applied Economics, University of Cambridge Serie azzurra ; 9901 |
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Disciplina |
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Locazione |
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Collocazione |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910707618103321 |
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Autore |
Landis Edwin R (Edwin Robert), <1926-> |
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Titolo |
Stratigraphic terminology of the Dakota Sandstone and Mancos Shale, West-Central New Mexico / / by E. R. Landis, C. H. Dane and W. A. Cobban |
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Pubbl/distr/stampa |
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[Washington, D.C.] : , : United States Department of the Interior, Geological Survey, , 1973 |
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Washington : , : United States Government Printing Office |
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Descrizione fisica |
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1 online resource (iii, 44 pages) : illustrations |
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Collana |
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Geological Survey bulletin ; ; 1372-J |
Contributions to stratigraphy |
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Soggetti |
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Geology, Stratigraphic - Cretaceous |
Geology, Stratigraphic |
Cretaceous Geologic Period |
Terminology |
Dakota Formation |
Mancos Shale |
United States Dakota Formation |
United States Mancos Shale |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed August 4, 2014). |
"A study of the generally transgressive rock sequence at the base of the Cretaceous System - four new rock units are described." |
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Nota di bibliografia |
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Includes bibliographical references (pages 42-44). |
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3. |
Record Nr. |
UNINA9910797990603321 |
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Autore |
Christensen Jesper |
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Titolo |
Nonlinear optimization of vehicle safety structures : modeling of structures subjected to large deformations / / Jesper Christensen, Christophe Bastien |
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Pubbl/distr/stampa |
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Amsterdam, Netherlands : , : Butterworth-Heinemann, , 2016 |
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©2016 |
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ISBN |
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0-12-804424-1 |
0-12-417309-8 |
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Descrizione fisica |
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1 online resource (488 p.) |
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Disciplina |
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Soggetti |
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Automobiles - Safety appliances |
Automobiles - Safety measures |
Automobiles - Design and construction |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references at the end of each chapters and index. |
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Nota di contenuto |
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Cover; Title Page; Copyright Page; Table of Contents; Preface; Chapter | one - Vehicle Architectures, Structures, and Safety Requirements; 1.1 - Introduction; 1.2 - Legislative requirements; 1.3 - Occupant injuries; 1.3.1 - The crash test dummy families (or the tools to capture injury criteria); 1.3.2 - Typical injury criteria; 1.3.2.1 - Head injury criteria (HIC); 1.3.2.2 - Head injury criteria for free motion head form (HIC(d)); 1.3.2.3 - Neck injury criteria (Nij); 1.3.2.4 - TI (Tibia index); 1.3.3 - Surrogate impactors; 1.3.4 - Human computer models |
1.4 - Typical vehicle architectures and scope for optimization1.4.1 - |
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Ladder frame; 1.4.2 - Tubular structures; 1.4.3 - Integral structures; 1.4.4 - Shape and size; 1.4.5 - Materials and manufacture; 1.5 - Holistic approach to vehicle design; 1.5.1 - Overall architecture design for structural instruction limitation; 1.5.2 - Local shape and sizing for legal and other desirable structural requirements; 1.6 - Conclusions and opportunities; References; Chapter | two - Numerical Techniques for Structural Assessment of Vehicle Architectures; 2.1 - Introduction to finite element analysis (FEA) |
2.2 - Theory of elasticity2.3 - Elements; 2.3.1 - One-dimensional elements; 2.3.2 - Two-dimensional elements; 2.3.3 - Three-dimensional elements; 2.3.4 - Zero-dimensional elements; 2.3.5 - Meshing strategy; 2.3.6 - Element type; 2.3.7 - Element shape; 2.3.8 - Element size; 2.4 - Fundamental explicit and implicit finite element analysis; 2.5 - Nonlinear explicit finite element analysis; 2.5.1 - Understanding the need for explicit FEA in connection with vehicle safety assessment; 2.6 - Explicit FEA applied to vehicle safety assessment |
2.6.1 - Standard explicit equations and convergence criteria2.6.2 - Stress wave propagation and timestep; 2.6.3 - Relating the timestep to explicit FEA for vehicle safety assessment; 2.6.4 - Critical element length; 2.6.5 - Summation of factors influencing the timestep magnitude; 2.6.6 - Importance of consistent mesh size; 2.6.7 - Manipulating timestep magnitude; 2.7 - Contacts; 2.7.1 - Panel-to-panel contacts; 2.7.2 - Tied contacts; 2.8 - Example convergence study of explicit FEA; 2.8.1 - Contact forces; 2.8.2 - Kinetic energy; 2.8.3 - Internal energy; 2.8.4 - Total energy |
2.8.5 - Summation of convergence studyReferences; Chapter | three - Introduction to General Optimization Principles and Methods; 3.1 - What is structural optimization?; 3.2 - How are optimization problems generally solved?; 3.3 - General optimization methods and principles; 3.4 - The curse of dimensionality; 3.5 - Convex programming and optimization; 3.5.1 - Linear programming; 3.5.2 - The Simplex method; 3.5.3 - Application to real-world engineering problems; 3.5.4 - Sequential linear programming; 3.6 - Gradient-based methods and line search methods; 3.6.1 - Gradient descent method |
3.6.2 - MatLab example of gradient descent method |
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