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  Protect your system without using AV software
Posted by: PrinceOfHeartz - 01-16-2010, 07:11 PM - Forum: Free Discussion - Replies (8)

Here's a tip to protect your system from virus attacks (mainly from the internet) even if you don't have a an AV software installed. Most of the users create only one user account in Windows. So, that one account will act as the administrator. The viruses reaching the system via that user account will have full access to every part of the operating system including registry. So they are allowed to function normally.
Now what you have to do is, create another user account having no adminstrative previlages and then onwards use that account for surfing the net. Even if some viruses reach the system, they won't get access to the key areas because the user has no administrative rights. So your operating system will be protected from viruses coming from the internet.

Note: This is not an excuse for not installing an AV software. It is always recommended to install an AV software. This tip should only be considered as a preventive measure. But it is true that sometimes it can protect your OS from viruses even if you don't have an AV software installed.

Regards,

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  Helicoidal Stairs
Posted by: osin - 01-16-2010, 05:13 PM - Forum: Journals, Papers and Presentations - Replies (1)

AN ANALAYTICAL AND EXPERIMENTAL STUDY OF HELICOIDAL GIRDERS - ASCE 1958

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Journal of the

STRUCTURAL DIVISION

Proceedings of the Americna Society of Civil Engineers


AN ANALAYTICAL AND EXPERIMENTAL STUDY OF HELICOIDAL GIRDERS - ASCE 1958

Note.- the article was uploaded like JPGs



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  a model include shear wall
Posted by: soringer - 01-16-2010, 02:20 PM - Forum: Calculation Notes & Analysis Files - Replies (1)

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hi friends
i found a model,

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  Math Mechanixs 1.4.0.4
Posted by: BennyP - 01-16-2010, 10:20 AM - Forum: Non Engineering Software - Replies (1)

Math Mechanixs 1.4.0.4

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Math Mechanixs is a versatile and powerful mathematical analysis tool. Math Mechanixs is as easy to use as a common calculator is and may be used by high school students, college students, engineers and scientists.

Math Mechanixs does not work like a conventional calculator. Math Mechanixs understands the mathematical language as opposed to a calculator, which only understands keystrokes on the buttons. Because Math Mechanixs is capable of understanding the language of mathematics, you can communicate with Math Mechanixs simply by typing a mathematical expression into the Math Editor the way that you would write it on a sheet of paper. This allows you to describe the problem using words in addition to solving the problem mathematically. After you have completed the problem you can save it to a file and send the file to a printer.

The Function Library also includes a unique feature designed to provide a convenient graphical user interface (GUI) for solving any defined function. This utility is called the Function Solver. The function solver works with any predefined or embedded function including user defined functions.


This software works 30 day in Evaluation Mode and after 30 days in Evaluation Lite Mode.
Moving the clock forward before installation will add the same time interval.
In case you forgot to do that use regedit and delete the folowing keys:

HKEY_USERS\S-1-5-21-448539723-606747145-682003330-1003\Software\Classes\CLSID\{54260BAE-A68E-4CF3-8FD5-87D20CF85A20}
HKEY_USERS\S-1-5-21-448539723-606747145-682003330-1003\Software\Classes\CLSID\{961F6A10-E84C-44FA-AA3A-D0D471268694}


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IMPORTANT NOTICE: You may use this software for evaluation purposes only.
If you like it, it is strongly suggested you buy it to support the developers.

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  The Haitian tragedy
Posted by: chigozie - 01-16-2010, 09:15 AM - Forum: Free Discussion - Replies (2)

On Tuesday the 12th of this month (January 2010), at about 16.00 hours local time, 7.0 magnitude earthquake struck the American country of Haiti. It was that bad that the presidential building and the United Nations buildings also collapsed. It is estimated that more than 200,000 people lost their lives. The United Nations could not account for some of its staff including the head of its operation in Haiti. Many more are still trapped in rubbles. Thousands were seriously injured. What part did civil engineering play in this tragic event and what part should it play in the reconstruction of this unfortunate poor nation?
Regards
Teddy

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  Keep your privacy!
Posted by: PrinceOfHeartz - 01-15-2010, 08:30 PM - Forum: Free Discussion - Replies (3)

Many of the software contact their servers without our knowledge. We think that the software is updating. Many of the software developers say that no personal information is exchanged with the server. But are you sure? :ihih: I'm not.

A firewall can not only prevent unauthorised access from the internet, but can also prevent unauthorised access to the internet. It is always good to check what all programs are trying to access the internet by using your firewall (either an independent one or the one in your security suite). If you find something suspicious, block it. :yes:

When you think about software, you should think about your operating system also. You can turn off the update feature easily. But you need the crucial updates don't you?
I think softwarepatch.com is a good website from which you can download updates and patches.

Regards,


I hope that you realise the importance of this thread. Especially since many of the users are using p*rtd software.
oops. Sorry! I forgot to put the link within code tags. Sorry mods. I couldn't find an edit button. So I couldn't edit it. Sorry.
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  Railway Engineering book
Posted by: Chillpill - 01-15-2010, 02:01 PM - Forum: Archive - Replies (1)

Dear friends,
I need book " A textbook of Railway Engineering" by S.C Saxena and S.P Arora.

I shall be very thankful to you for this help!!

regards

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  Geoenvironmental Engineering: Principles and Applications
Posted by: abudabeeja - 01-15-2010, 09:30 AM - Forum: Environmental Engineering - Replies (1)

Geoenvironmental Engineering: Principles and Applications

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Geoenvironmental Engineering: Principles and Applications
CRC Press | May 15, 2000 | ISBN-10: 0824700457 | 494 pages | PDF | 2.8 mb

Applies science and engineering principles to the analysis, design, and implementation of technical schemes to characterize, treat, modify, and reuse/store waste and contaminate media, including site remediation



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  Estimating Construction Costs by Peurifoy
Posted by: smeltron - 01-15-2010, 06:34 AM - Forum: Books and Codes Request - Replies (2)

Anyone have this book by Peurifoy and Oberlender? Thanks

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  Dynamic analyses of liquid storage tanks
Posted by: babak - 01-15-2010, 03:12 AM - Forum: Water & Hydraulic Engineering - Replies (2)


Dynamic analyses of liquid storage tanks

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• Publisher: California Institute of Technology
• Number Of Pages: 281
• Publication Date: 1980
• ISBN-10 / ASIN: B0006Y4V6O

Abstract
Theoretical and experimental investigations of the dynamic behavior of cylindrical liquid storage tanks are conducted to seek possible improvements in the design of such tanks to resist earthquakes. The study is carried out in three phases: 1) a detailed theoretical treatment of the liquid-shell system, 2) an experimental investigation of the dynamic characteristics of full-scale tanks, and 3) a development of an improved design-procedure based on an approximate analysis. Natural frequencies of vibration and the associated mode shapes are found through the use of a discretization scheme in which the elastic shell is modeled by finite elements and the fluid region is treated as a continuum by boundary solution techniques. In this approach, the number of unknowns is substantially less than in those analyses where both tank wall and fluid are subdivided into finite elements. A method is presented to compute the earthquake response of both perfect circular and irregular tanks; it is based on superposition of the free lateral vibrational modes. Detailed numerical examples are presented to illustrate the applicability and effectiveness of the analysis and to investigate the dynamic characteristics of tanks with widely different properties. Ambient and forced vibration tests are conducted on three full-scale water storage tanks to determine their dynamic characteristics. Comparison with previously computed mode shapes and frequencies shows good agreement with the experimental results, thus confirming the reliability of the theoretical analysis. Approximate solutions are also developed to provide practicing engineers with simple, fast, and sufficiently accurate tools for estimating the seismic response of storage tanks.


RAR-ed PDF 14.7 MB

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