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  Lectures on Siegel Modular Forms and Representation by Quadratic Forms
Posted by: ranger - 08-04-2012, 01:18 AM - Forum: Mathematics (Engineering and Scientific) - No Replies

Lectures on Siegel Modular Forms and Representation by Quadratic Forms

Author: Y. Kitaoka | Size: 1.1 MB | Format: PDF | Quality: Unspecified | Publisher: Tata Institute of Fundamental Research | Year: 1986 | pages: 197 | ISBN: 9780387164724

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This book is concerned with the problem of representation of positive definite quadratic forms by other such forms. From the table of contents: Preface; Fourier Coefficients of Siegel Modular Forms; Arithmetic of Quadratic Forms.

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  Overview of Bohmian Mechanics
Posted by: ranger - 08-04-2012, 01:10 AM - Forum: Mathematics (Engineering and Scientific) - No Replies

Overview of Bohmian Mechanics

Author: Xavier Oriols, Jordi Mompart | Size: 1.98 MB | Format: PDF | Quality: Unspecified | Publisher: arXiv | Year: 2012 | pages: 76 | ISBN: 9814316393

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This chapter provides a comprehensive overview of the Bohmian formulation of quantum mechanics. After a historical review, a formal explanation of Bohmian mechanics for nonrelativistic, single-particle quantum systems is presented.

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  Maghreb
Posted by: Songoku - 08-02-2012, 07:00 PM - Forum: Free Discussion - Replies (1)

Hi everyone,

I need to know what are the consultation fees for an architect and a structural engineer in Algeria and Morocco (% of total cost).

What is the price of construction/structure (€/m2)???

Thanks in advance to all.

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  CNKI paper request
Posted by: devilmaycry - 08-02-2012, 07:46 AM - Forum: Archive - No Replies

Hi guys,

Can someone get me this paper, I really appreciate it.

Frame structure optimization with all constraints based on SLP method
- CHEN Tingjun,ZHU Jiejiang

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Thanks in advance.

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  A simplified approach for seismic calculation of a tall building braced by shear wall
Posted by: shadabg - 08-02-2012, 05:05 AM - Forum: Journals, Papers and Presentations - No Replies

A simplified approach for seismic calculation of a tall building braced by shear wall

Author: Sid Ahmed Meftah, Abdelouahed Tounsi, Adda Bedia El Abbas | Size: 1.1 MB | Format: PDF | Quality: Original preprint | Publisher: Elsevier | Year: 2007 | pages: 10

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Abstract :
In this paper an approximate hand-method for seismic analysis of an asymmetric building structure having constant properties along its height is presented. The building is stiffened by a combination of shear walls and thin-walled open section structures. Based on the continuum technique and d’Alembert’s principle, the governing equations of free vibration and the corresponding eigenvalue problem are derived. By applying the Galerkin technique, a generalized method is proposed for the free vibration analysis of coupled vibration of a building braced by shear walls and thin-walled open section structures. Simplified formulae are given to calculate the circular frequencies and internal forces of a building structure subjected to earthquakes. The utility and accuracy of the method is demonstrated by an numerical example, in which the proposed method is compared with finite element calculations.

Keywords: Tall building; Eigenfrequency; Continuous approach; Thin-walled structures; Coupling vibration; Internal forces

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  REINFORCED CONCRETE WORKBOOK v1
Posted by: aslam - 08-02-2012, 03:08 AM - Forum: Engineering Spreadsheet - Replies (1)

REINFORCED CONCRETE WORKBOOK v1

Size: 161 KB


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This spreadsheet is intended for use by reinforced concrete detailers and designers.
It provides the user with the means to rapidly determine answers to the many
questions that reinforced concrete design and detailing raise. This spreadsheet
could be looked on as an electronic book with an index followed by pages containing
many individual calculators. Each calculator has a specific task to perform. The
Reinforced Concrete Workbook also acts as an aide memoir, reminding the user of the
various requirements to be observed.
The spreadsheet has been developed to comply with BS 8110 : Part 1 : 1997 and
BS 4466 : 1989 and Amendment No. 1 published 28 February 1990.


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  Response Spectrum Method: In Seismic Analysis of Structural Systems and Components, S
Posted by: david-smith - 08-01-2012, 09:05 AM - Forum: Archive - Replies (2)

Response Spectrum Method: In Seismic Analysis of Structural Systems and Components, Second Edition

Author: Ajaya Kumar Gupta (Author) | Size: ? MB | Format: PDF | Quality: Unspecified | Publisher: CRC Press | Year: 2011 | pages: 300 | ISBN: 084939256X - 978-0849392566


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The response spectrum method and the simplified techniques derived from it have become popular methods of seismic analysis and design. Including information garnered from research performed since the first edition, this new edition provides a complete single-source review of past and current research. The book features a new chapter on approximate seismic analysis of piping systems, and it also includes new downloadable modeling software that reflects recent developments discussed in the text. This text also covers new concepts, such as uniform hazard spectra and approximate Ritz-vector modeling.
----------------

Table of Contents

Structural Dynamics and Response Spectrum. Design Spectrum. Combination of Modal Responses. Response to Multicomponents of Earthquake. Nonclassically Damped Systems. Response of Secondary Systems. Decoupled Primary System Analysis. Seismic Response of Buildings. Approximate Seismic Analysis of Piping Systems.
------------------
Presents state-of-the-art information on the response spectrum method
Features new chapter on building design
Includes new downloadable modeling software
Provides a training manual and other course material for qualified instructors

Summary

The response spectrum method and the simplified techniques derived from it have become popular methods of seismic analysis and design. Including information garnered from research performed since the first edition, this new edition provides a complete single-source review of past and current research. The book features a new chapter on approximate seismic analysis of piping systems, and it also includes new downloadable modeling software that reflects recent developments discussed in the text. This text also covers new concepts, such as uniform hazard spectra and approximate Ritz-vector modeling.

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  Reinforced concrete design theory & examples
Posted by: abdulazizk - 08-01-2012, 09:01 AM - Forum: Archive - Replies (1)

Could anyone upload "reinforced concrete design theory & examples" book
by By Prab Bhatt

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  Axsware Pdf To DWG Converter 3
Posted by: rusty - 08-01-2012, 08:31 AM - Forum: Non Engineering Software - Replies (2)

Axsware Pdf To DWG Converter 3.0

Size: 6,75 MB
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aXsware PDF to DWG Converter, a stand alone application allows you to convert PDF to DWG and DXF in few easy steps. aXsware is able to convert the vector content of PDF files. When a PDF contains raster content, you can choose to convert a raster PDF to editable vector lines in a DWG or just preserve the original image as a raster image reference in the drawing.

* Easy to use
Just within 3 steps you'll get the DWG and DXF generated. Choose PDF, select output file type and click "convert". Could not be easier.

* Fast conversion
Within seconds, you'll get the drawing which you want.

* High quality
Auccurately retains texts, solides, hattch patterns, lines, colors and automatic restore arcs in the converted drawings.


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Tested on Win 7 64bit.

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  Structural Design Guide to the ACI Building Code
Posted by: manzoor_quadri - 07-31-2012, 09:02 PM - Forum: Archive - No Replies

Hello All,

If anybody has this book please upload, I don't have ISBN number I know only title, the title of the book is "Structural Design Guide to the ACI Building Code
By Edward S. Hoffman, David P. Gustafson, Albert J. Gouwens", publisher is springer.
Thanks in advance.

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