It is intended for both the graduate student and the practicing engineer. Previous knowledge of the subject is not necessary, but familiarity with methods of elastic analysis and conventional LRFD design is expected. The advanced analysis in the book is presented in a practical and simple manner, with attention directed to both analysis and design, emphasizing the direct use of the methods in engineering practice. This is a great introduction to an exciting new trend in structural engineering!
Dynamic stability of non-linear shells of revolution under consideration of the fluid–soil–structure interaction
Author: W. Wunderlich, B. Schäpertöns, C. Temme | Size: 1 MB | Format:PDF | Quality:Original preprint | Publisher: Wiley, Journal International Journalfor Numerical Methods in Engineering | Year: 15 August 1994 | pages: 2679–2697
The dynamic behaviour of liquid-filled shells of revolution is investigated considering the soil–structure interaction and the fluid–structure interaction, respectively. In the circumferential direction the loads and variables are approximated by Fourier series. The shell is modelled through shell ring elements including non-linear behaviour, coupled with isoparametric continuum ring elements and special infinite elements for the soil and isoparametric pressure ring elements for the fluid. Transient loadings like earthquake excitation and the non-linearities of the shell and the soil require an analysis in the time domain. To reduce the size of the problem, linear parts of the system are condensed by the substructure technique. The soil region is divided into two parts, a near field permitting non-linearities like plastification or uplifting of the shell, and a far field for the treatment of radiation of energy.
The boundary conditions for the shell footing have a strong influence on the distribution of the axial membrane forces and, hence, on the stability limit, which is mostly governed by plastic collapse and caused by the dynamically activated pressure acting on the tank wall. It is shown how the soil properties influence the dynamic stability of the shell under harmonic excitation and under realistic earthquake motion.
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The monograph Micropolar Theory of Elasticity is devoted to the asymmetric theory of elasticity and thermoelasticity, aiming at researchers and postgraduate students in solid mechanics and applied mathematics, as well as mechanical engineers. It offers various new results including the basic field equations, general methods of integration of basic equations, formulations of problems, as well as solutions to particular problems. The presented general solutions cover those of Galerkin, Green-Lamé and Papkovitch-Neuber type, whereas the formulations include the displacement-rotation problems as well as pure stress problems of asymmetric elastodynamics. Solutions to stationary 3D and 2D problems for a half-space, and singular solutions to 3D and 2D asymmetric elastodynamics and the thermoelasto-dynamics problems for an infinite space are given.
Microcontinuum field theories extend classical field theories to microscopic spaces and short time scales. This volume is concerned with the kinematics of microcontinua. It begins with a discussion of strain, stress tensors, balance laws, and constitutive equations, and then discusses applications of the fundamental ideas to the theory of elasticity. The ideas developed here are important in modeling the fluid or elastic properties of porous media, polymers, liquid crystals, slurries, and composite materials.
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MathType.6.8 Final Multilingual English German French
Size: 28 MB
MathType is a powerful interactive equation editor for Windows and Macintosh that lets you create mathematical notation for word processing, web pages, desktop publishing, presentations, elearning, and for TeX, LaTeX, and MathML documents.
MathType 6.8 New Features:
Here are some of the major new features in MathType 6.8. To learn more about them, visit our Full Feature List.
Works with 64-bit Microsoft Office 2010: If you're planning on switching to 64-bit Office, then you need MathType 6.8 for Windows.
Compatibility with 600+ applications and websites! Posterous, Quora, and 40+ other applications and websites join Microsoft Office, Apple iWork, Mathematica, and hundreds of others that work with MathType! Check out Works With ... to see if your applications are compatible.
Paste a table from a spreadsheet, document, or web page into MathType as a matrix: MathType lets you copy a table from a spreadsheet (e.g. Excel), document (e.g. Word), or web page, and paste it into MathType as a matrix.
MathPage for Word 2010 and 2007: Our MathPage™ technology now converts Microsoft Word 2010 and 2007 documents into web pages, properly handling mathematical symbols. Will also display properly for people with print disabilities.
Authoring for Accessibility: As part of our work with the Educational Testing Service (ETS) and others in the accessibility community, we have made a number of improvements in MathType so that it is more useful for authoring content to be read by people with various print disabilities, such as blindness, low vision, and learning disabilities. Our new Exact Speech command overrides the speech automatically generated by MathPlayer for a selected expression or symbol. This is important in a number of situations, such as in assessment where the automatically generated speech text might give away the answer.
MathType 6.8 equations are compatible with MathType 6.x and 5.x equations so you can continue to work with other MathType users even if they haven't upgraded yet. When you upgrade to MathType 6.8 any changes you've made in your installed version of MathType, including keyboard shortcuts, toolbars, preferences, etc. will be retained.
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