Yuri A. Kuznetsov - Elements of Applied Bifurcation Theory
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Springer-Verlag | 1998 | ISBN: 0387983821 | Pages: 591 | PDF | 4.09 MB
This is a book on nonlinear dynamical systems and their bifurcations under parameter variation. It provides a reader with a solid basis in dynamical systems theory, as well as explicit procedures for application of general mathematical results to particular problems. Special attention is given to efficient numerical implementations of the developed techniques. Several examples from recent research papers are used as illustrations. The book is designed for advanced undergraduate or graduate students in applied mathematics, as well as for Ph.D. students and researchers in physics, biology, engineering, and economics who use dynamical systems as model tools in their studies. A moderate mathematical background is assumed, and, whenever possible, only elementary mathematical tools are used.
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Differential geometry, in the classical sense, is developed through the theory of smooth manifolds. Modern differential geometry from the author's perspective is used in this work to describe physical theories of a geometric character without using any notion of calculus (smoothness). Instead, an axiomatic treatment of differential geometry is presented via sheaf theory (geometry) and sheaf cohomology (analysis). Using vector sheaves, in place of bundles, based on arbitrary topological spaces, this unique approach in general furthers new perspectives and calculations that generate unexpected potential applications. "Modern Differential Geometry in Gauge Theories" is a two-volume research monograph that systematically applies a sheaf-theoretic approach to such physical theories as gauge theory. Beginning with Volume 1, the focus is on Maxwell fields. Continuing in Volume 2, this sheaf-theoretic approach is applied to Yang-Mills fields in general.The text contains a wealth of detailed and rigorous computations and will appeal to mathematicians and physicists, along with advanced undergraduate and graduate students, interested in applications of differential geometry to physical theories such as general relativity, elementary particle physics and quantum gravity.
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Groundwater Hydrology: Conceptual and Computational Models
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K. R. Rushton - Groundwater Hydrology: Conceptual and Computational Models
Wiley | 2003 | ISBN: 0470850043 | Pages: 430 | PDF | 5.60 MB
Groundwater is a vital source of water throughout the world. As the number of groundwater investigations increase, it is important to understand how to develop comprehensive quantified conceptual models and appreciate the basis of analytical solutions or numerical methods of modelling groundwater flow.
Groundwater Hydrology: Conceptual and Computational Models describes advances in both conceptual and numerical modelling. It gives insights into the interpretation of field information, the development of conceptual models, the use of computational models based on analytical and numerical techniques, the assessment of the adequacy of models, and the use of computational models for predictive purposes. It focuses on the study of groundwater flow problems and a thorough analysis of real practical field case studies.
It is divided into three parts:
* Part I deals with the basic principles, including a summary of mathematical descriptions of groundwater flow, recharge estimation using soil moisture balance techniques, and extensive studies of groundwater-surface water interactions.
* Part II focuses on the concepts and methods of analysis for radial flow to boreholes including topics such as large diameter wells, multi-layered aquifer systems, aquitard storage and the prediction of long-term yield.
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Volume 6, Issue 1
Read the magazine Featured Articles
Bentley Launches the Most Comprehensive Software Portfolio for Infrastructure Ever Assembled in a Single Release
Encompassing products for all of the solution communities served by Bentley, the V8i portfolio leverages and extends core capabilities of its new interoperability platform to provide the breadth and depth of technology needed for fully integrated project delivery.
MicroStation V8i Up Close & Personal
Bentley’s billion-dollar investment culminates in a MicroStation V8i release that delivers the features most requested by its software users.
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Vibrations and Waves
(Manchester Physics Series)
George King,
Wiley 2009
ISBN-10: 0470011882
242 Pages
PDF 1,4 MB
Product Description
This introductory text emphasises physical principles, rather than the mathematics. Each topic begins with a discussion of the physical characteristics of the motion or system. The mathematics is kept as clear as possible, and includes elegant mathematical descriptions where possible. Designed to provide a logical development of the subject, the book is divided into two sections, vibrations followed by waves. A particular feature is the inclusion of many examples, frequently drawn from everyday life, along with more cutting-edge ones. Each chapter includes problems ranging in difficulty from simple to challenging and includes hints for solving problems. Numerous worked examples included throughout the book.
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Here is simple routine to recover password for worksheet (not the file password) and unprotect worksheets
-----------------------------------cut below this line------
Sub PasswordBreaker()
'Author unknown
'Breaks worksheet password protection.
Dim i As Integer, j As Integer, k As Integer
Dim l As Integer, m As Integer, n As Integer
Dim i1 As Integer, i2 As Integer, i3 As Integer
Dim i4 As Integer, i5 As Integer, i6 As Integer
On Error Resume Next
For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126
ActiveSheet.Unprotect Chr(i) & Chr(j) & Chr(k) & _
Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
If ActiveSheet.ProtectContents = False Then
MsgBox "One usable password is " & Chr(i) & Chr(j) & _
Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & _
Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
Exit Sub
End If
Next: Next: Next: Next: Next: Next
Next: Next: Next: Next: Next: Next
End Sub
-----------------cut above this line-----------------
Procedure:
start excel
open the excel file you need to unprotect
Start Visual Basic Editor: Tools -> Macro menu -> Visual Basic Editor
Create a new module : Insert -> module
Paste the above code in the module
Close Visual Basic Editor
Run the Macro named "PasswordBreaker" from Tools -> Macro menu
This will give you a password that you can use to unprotect a worksheet
If you have multiple worksheets, you need to run the macro in each worksheet.
Windows 7 XP Mode RTM + Virtual PC 6.1.7600.16393 RTM
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October 1, 2009, Microsoft has released it’s final version of XP Mode. XP Mode is a virtualization application that can be used on Windows 7 Professional, Enterprise, and Ultimate.
The technology allows legacy applications that ran on Windows XP to run in a virtualized environment. General public availability will be October 22nd, same day as the Windows 7 Launch, via the Microsoft website. This technology is aimed mostly at small to medium businesses.
Microsoft Windows Virtual PC for Windows 7 - is a new optional component that you can use to evaluate and migrate to the Windows 7 operating system while maintaining compatibility with applications that run on older versions of Windows. This component is available as a downloadable update package for Windows 7.
If you run Windows XP and want to maintain compatibility with applications that run on that operating system, Windows Virtual PC provides an easy way for you to do this. You can use Windows XP Mode to access a virtualized instance of Windows XP that is ready for you to customize with your own applications. You can even use Windows XP Mode and Windows 7 to run applications seamlessly in Windows 7 when the applications are actually installed in Windows XP.
Windows XP Mode is available for Windows 7 Professional, Windows 7 Enterprise, and Windows 7 Ultimate.
Differences with XP mode and Microsoft Virtual Machine are as follows:
* Integration with XP Mode
* USB Support
* Seamless application publishing and launching
* Support for multi-threads
* Clipboard sharing
* Printer redirection
* Smart card redirection
* Drive Sharing
* Integration with Windows Explorer
* Known folder integration between host and guest
* Support for higher resolution
* Requires AMD-V or Intel-VT CPU features
To run XP Mode, your Intel-powered computer must support Intel Virtualization Technology. Problem is, many Intel laptops found on retail shelves aren't packing Intel VT. Affected chips include Intel Celeron, Pentium Dual-Core, Pentium M, and Atom 270 and 280 processors. If you've got a Pentium D, Core, or Core 2 Duo chip you'll need to check your model number because P7350/7450, T1350, T2050/2250, T2300E/2350/2450, T5200/5250/5270/5300/5450/5470/5550/5670/5750/5800/5850/5870/5900 and T6400/6570 do not support VT, according to ZDNet. AMD-powered computers may also find difficulties running XP mode since Sempron processors and some Athlon 64 chips don't support virtualization.
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For now the only computer with 7 installed have an Atom processor (my notebook) and i cannot install to check. This version is RTM so you can use. The Rapidshare links used and alive. Generate By Civilea PostGen V1.3
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An indispensable reference that presents a unified treatment of mathematical models of concrete structural analysis. In Part I, the author considers the experimental data regarding stress and strain characteristics of concrete under biaxial and multiaxial stress states and presents empirical equations for modulus and fracture strength. Part II discusses concrete elasticity, generalized failure, and fracture criteria, while the final part addresses concrete plasticity with applications of limit analysis and finite element analysis to concrete and reinforced structures.
An unabridged J. Ross Publishing republication of the edition published by McGraw-Hill, Inc., New York, 1982, 474pp.
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