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  Finite Difference Schemes and Partial Differential Equations
Posted by: Grunf - 02-18-2011, 08:07 AM - Forum: Mathematics (Engineering and Scientific) - Replies (1)

Finite Difference Schemes and Partial Differential Equations

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By: John Strikwerda
Publisher: SIAM: Society for Industrial and Applied Mathematics
Number Of Pages: 450
Publication Date: 2004-11-01 (second edition)
ISBN-10 / ASIN: 0898715679
ISBN-13 / EAN: 9780898715675
Binding: Hardcover


Product Description:
This book provides a unified and accessible introduction to the basic theory of finite difference schemes applied to the numerical solution of partial differential equations. Originally published in 1989, its objective remains to clearly present the basic methods necessary to perform finite difference schemes and to understand the theory underlying these schemes. This is one of the few texts in the field to not only present the theory of stability in a rigorous and clear manner but also to discuss the theory of initial-boundary value problems in relation to finite difference schemes. In this updated edition the notion of a stability domain is now included in the definition of stability and is more prevalent throughout the book. The author has also added many new figures and tables to clarify important concepts and illustrate the properties of finite difference schemes.




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If you like this publication, CivilEA's team strongly suggest you to buy it! Support the authors!

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  Stress Field of the Earth’s Crust
Posted by: isurya - 02-18-2011, 07:19 AM - Forum: Mechanics & Material Technology (Elasticity, Plasticity and Nonlinearity) - Replies (3)

Stress Field of the Earth’s Crust

Author: Arno Zang and Ove Stephansson | Size: 7.5 MB | Format: PDF | Publisher: Springer | Year: 2009 | pages: 240 | ISBN: 1402084439

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Rock stress is a key parameter in solid Earth sciences and technology. Long-term geological processes like plate tectonics are driven by mechanisms that generate different types of stresses in the Earth’s crust. These stresses are acting as we extract raw materials from the crust and deposit human altered materials into the crust in boreholes, mines and underground constructions. To better use and save our resources there is an obvious need for a greater understanding of mechanical stresses in the Earth’s crust. This book is directed toward graduate students, teachers and practitioners in geology, geophysics and civil, mining, petroleum and rock engineering. The book aims to fill the gap in the existing literature between principles in rock mechanics (Jaeger, Cook & Zimmerman 2007), rock stress measurements (Amadei & Stephansson 1997) and stress regimes in the lithosphere (Engelder 1993). Mechanical stress and rock stress are fictitious terms as stress can never be directly measured. Stresses in rock originate from gravity and tectonic forces and can only be inferred by disturbing the rock by drilling a borehole, making a slot and coring the rock. The drill core can be brought to the laboratory and stresses determined by different physical methods. The complex nature of rocks prevents us from exactly determinating the magnitudes and orientation of the components of the stress tensor and often we have to accept large variability and uncertainties. Stress in rock is usually described in the context of continuum mechanics.


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  excel VBA examples
Posted by: Jeffrey Toledo - 02-18-2011, 06:49 AM - Forum: Archive - Replies (1)

request[ excel VBA examples]

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hey guys, does anyone of you have a lot of examples on excel VBA?
please share.

Jeff


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  Joint Slip in Steel Electric Transmission Towers
Posted by: shmpabe - 02-18-2011, 06:16 AM - Forum: Archive - Replies (1)

please help me to get the following paper.

Ungkurapinan,N., Chandrakeerthy, S.R.De S., Rajapakse, R.K.N.D., and Yue, S.B., "Joint Slip in Steel Electric Transmission Towers", p779-788,Engineering Structures, Vol.25, March 2003.)

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Thank you

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  National Structural Code of the Philippines (5th Edition-2001)
Posted by: lednar_ved - 02-18-2011, 02:37 AM - Forum: Archive - No Replies

Hello to all Civileans especially to all Filipino CEs,

Can I request for the e-file of this Structural Code mentioned in my subject name?
I have my hard copy but could not able to scan it all. If any of you has this document, please share.

Details:
# Full title: NSCP C101-01 Volume 1 - Buildings, Towers and Other Vertical Structures Fifth Edition, 2001, 2nd Printing
# Author(s): Association of Structural Engineers of the Phils., Inc. (ASEP)
# Publisher: ASEP, 2001
# Language: English

Then we will put it on the 'Non-International Code' thread so that others can benefit.

Note: The one being posted already by kulas1987 is the 4th Edition Yr. 1992
I am looking for the 5th Edition Yr. 2001 or 6th Edition Yr. 2010
If other nationalities earnestly shared their codes, then why can't we?

Regards,

lednar_ved

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  International Course on Computational Geotechnics
Posted by: melkat - 02-17-2011, 04:22 PM - Forum: Journals, Papers and Presentations - Replies (15)

Lecture 1 ( Finite Element Modelling in Geotechnical Engineering )

Size: 10.6 MB | Format: PDF

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This lecture 1 is a part of short course lecture about "Plaxis Program" in Bandung,Indonesia (21 -23 September 2010). The quality is not quite good since i scanned the slide presentation handout page by page. hopefully it will be useful for those who are interested in PLAXIS program.

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  Why my post was deleted it?
Posted by: yucapareja - 02-17-2011, 02:01 PM - Forum: FAQs, Q&A, comments - Replies (8)

Hi Admin/Moderator/etc,

Yesterday I wrote a question about Graitec Concrete in the section Software Problems, why was deleted it???? :dash2::dash2:

Regards

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  AISC-Efficient Analysis for Steel Design
Posted by: ir_71 - 02-17-2011, 10:18 AM - Forum: Steel - Replies (5)

AISC-Efficient Analysis for Steel Design

Author: Louis F. Geschwindner, Ph.D., P.E | Size: 7.77 MB | Format: PDF | Publisher: AISC | Year: 2009 | pages: 352

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Design Steel Your Way II
Efficient Analysis for Steel Design using the 2005 AISC Specification


Can you imagine designing without ever having to calculate a K-factor again? It's an option now, called the Direct Analysis Method.

Attend this seminar and you will understand the principles of analysis and design that are the basis of the 2005 AISC Specification for Structural Steel Buildings. Learn an approach to design that results in an economical structural steel solution achieved with the efficiency required of a design office. See the basic differences between first-order analysis and second-order analysis, when and why second-order analysis must be used, and how to use the various methods provided for in ANSI/AISC 360.

You will learn about stability of structural frames, the use and misuse of the effective length factor, K, and the how and why of design without the need for K. Extensive analysis and design examples will be provided so that attendees have guidance to follow when approaching their own specific projects. Although specific software will not be discussed, examples will be presented that illustrate how to carry out the new Direct Analysis Method with the currently available software and how to evaluate your own software for accomplishing an acceptable analysis. Each attendee will receive a copy of the Course Notes and AISC's Basic Design Values card.

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  Rule of Thumb
Posted by: Batman07 - 02-17-2011, 07:28 AM - Forum: Free Discussion - Replies (2)

Hi everyone!

Kindly share your rules of thumb here which are very useful in civil/structural engineering.

The following rules of thumb are useful to me:
1) For every foot span of beam use 3/4 of an inch height for that beam.
2) Size column so that the column area is 0.12% of the area of floor supported.
3) For every story of the building, use 100 mm thickness of raft foundation.

thumbup:clap::JC_cheers:

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  PERFORMANCE BASED SEISMIC AND WIND ENGINEERING FOR 60 STORY TWIN TOWERS IN MANILA
Posted by: Batman07 - 02-17-2011, 05:29 AM - Forum: Journals, Papers and Presentations - No Replies

PERFORMANCE BASED SEISMIC AND WIND ENGINEERING FOR 60 STORY TWIN TOWERS IN MANILA

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The 14th World Conference on Earthquake Engineering
October 12-17, 2008, Beijing, China
M.R. Willford and R.J. Smith

This paper describes the structural design of two similar 60 storey towers in Manila using performance based
procedures for seismic and wind actions. High-rise buildings designed by performance based methods not only
perform better than conventionally designed ones, but are also less expensive to construct. The buildings
incorporate the Arup Damped Outrigger System, and the savings realized by this are discussed.

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