Numerical Solution of Partial Differential Equations by the Finite Element Method
Author: Claes Johnson | Size: 2.74 MB | Format:DjVu | Quality:Scanner | Publisher: Cambridge University Press | Year: January 29, 1988 | pages: 280 | ISBN: 0521347580, ISBN-13: 978-0521347587
Professor Johnson presents an easily accessible introduction to one of the most important methods used to solve partial differential equations. The bulk of the text focuses on linear problems, however a chapter extending the development of non-linear problems is also included, as is one on finite element methods for integral equations. Throughout the text the author has included applications to important problems in mathematics and physics, and has endeavored to keep the mathematics as simple as possible while still presenting significant results.
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Finite Elements and Fast Iterative Solvers
With Applications in Incompressible Fluid Dynamics
Author: Howard C. Elman, David J. Silvester, Andrew J. Wathen | Size: 4.68 MB | Format:PDF | Quality:Original preprint | Publisher: Oxford University Press, USA | Year: August 4, 2005 | pages: 414 | ISBN: 019852868X, ISBN-13: 978-0198528685
The subject of this book is the efficient solution of partial differential equations (PDEs) that arise when modelling incompressible fluid flow. The material is organized into four groups of two chapters each, covering the Poisson equation (chapters 1 & 2); the convection-diffucion equation (chapters 3 & 4); the Stokes equations (chapters 5 & 6); and the Navier-Stokes equations (chapters 7 & 8). These equations represent important models within the domain of computational fluid dynamics, but they also arise in many other settings. For each PDE model, there is a chapter concerned with finite element discretization. For each problem and associated solvers there is a description of how to compute along with theoretical analysis which guides the choice of approaches. Illustrative numerical results occur throughout the book, which have been computed with the freely downloadable IFISS software. All numerical results should be reproducible by readers who have access to MATLAB and there is considerable scope for experimentation in the 'computational laboratory' provided by the software. This book provides an excellent introduction to finite elements, iterative linear solvers and scientific computing aimed at graduates in engineering, numerical analysis, applied mathematics and interdisciplinary scientific computing. Including theoretical problems and practical exercises closely tied with freely downloadable MATLAB software, this book is an ideal teaching and learning resource.
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I'm searching for Active and Passive Earth Pressure Tables, By (author) J. Kerisel, By (author) E. Absi.
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Author: C.L. Siegel | Size: 790 KB | Format:PDF | Quality:Unspecified | Publisher: Tata Institute of Fundamental Research | Year: 1957 | pages: 170 | ISBN: B0006C8J9Q
From the table of contents: Vector groups and linear inequalities (Vector groups, Lattices, Characters, Diophantine approximations); Reduction of positive quadratic forms; Indefinite quadratic forms; Analytic theory of Indefinite quadratic forms.
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Internet forums (also referred to as message boards) are a great way to connect to other people with similar interests. If you're new to a forum, it can be a daunting experience. Just like in real life, there's cliques, divas, and unwritten rules. Most of the time, however, joining a forum is a positive experience where you can meet new people or become part of a close-knit community. To ensure a smooth beginning, here are ten tips on netiquette that apply to most forums.
1. Don't Netspeak:
Quote:OMG!1! i saw johny dep @ teh mall tdy and he sad hi to me & askd me to mry him...my bff Jil saw it hppn if u dont beleive me...
Netspeak refers to abbreviations (e.g., LOL, OMG, LMAO), misspellings, and a loose regard for punctuation. Abbreviations are usually acceptable so long as you use only one per paragraph. Nothing says newbie more than Netspeak. Sure, some Web sites thrive on Netspeak, but you can't go wrong writing in plain English. You'll be understood, and you don't risk getting mauled by a grammar nazi.
2. Be Courteous
Remember that there is a human being on the other side of the screen, too. They deserve to be treated with respect and courtesy, just as you would like to be treated. Moreover, everything you do online is on record and can haunt you for years to come.
They say the Internet never forgets. If you are smart, you will use this in your favor! Respect standard etiquette, follow the rules, help newbies, become an expert for a specific topic, and generously share your knowledge.
3. Avoid all caps: HEY GUYS, WHAT'S GOING ON IN THIS THREAD?
This tip is self-explanatory. If you don't know already, using all caps is considered shouting. Most people use caps as a way to standout in the thread comments. However, using all caps actually makes it harder to read your comment, and the only attention you'll receive is from forum members berating you and telling you that you're shouting.
4. Split up your text.
While forum members probably won't comment on splitting up your text, it's still something that will improve your post's readability. Dividing your sentences into paragraphs (three to four sentences per paragraph is a good number) ensures that people won't strain their eyes trying to read your post.
5. Don't spam:
Quote:Thanks
or
Quote:This is great
People hate spammers. You hate spammers. But if you're new to a forum, posting posts containing thanks only will be considered spam. Your post will be deleted.
6. Don't be an echo, rather press the Thanks button:
Quote:I agree.
This tip mostly applies to forums that keep post counts next to your screen name. Forum members will think that you're just trying to boost your numbers if you post only a two-word comment. On other types of forums it may not matter as much. Still, people generally like to hear your full opinion instead of a simple "I agree" or "I disagree."
7. Use the search engine.
Before you create a thread/topic in the forum, check out the forum's search function to see if a similar thread has already been posted. At the very least, scan the first page of topics to see if your idea has already been discussed. If you don't find anything recent, then post away.
8. Don't be afraid of the regulars: Hi, I'm new. Please don't hurt me.
At the other end of the scale, sometimes new people are overly obsequious. You don't have to be timid. Follow tip number 9, and you'll become more confident that what you're posting is valuable, and that it's not necessary to load your posts with a bunch of qualifiers.
9. Lurk before you post.
Each forum has its own culture and nuances. Maybe using Netspeak is the norm and typing in plain English is conspicuous. Maybe you should be rude and load your posts with swears. Read a few threads before you post. Some people will read forums for weeks or even months before they contribute. While that may be overdoing it, you should at least get a handle on the personality of the forum.
Posted by: mybest - 01-16-2012, 06:04 AM - Forum: ASTM
- No Replies
Please more detail for request.
I hope this one is what you want
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A Survey prepared by: Arne Kjølle
Professor Emeritus
Norwegian University of Science and Technology
Containing brief about Hydraulic Machinery with special emphasis to the governing of turbines.
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Author: P. R. Knowles | Size: 2.37 MB | Format:PDF | Quality:Scanner | Publisher: Constrado | pages: 54
Based on considerable research and test work into the behaviour of castellated universal beams this publication provides the designer with design methods, safe load tables and interaction curves to enable suitable castellated beam sizes to he selected and analysed.
Ultimate capacities are included suitable for designs to limit state concepts, as given in BS 5950, whilst the safe load tables are based on permissible stresses in accordance with
BS449.
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Today I found myself deleting an old post where one of our great user reported member having avatar showing child as from mother born. The avatar was removed and user was guided.
Our children are our most valuable asset. They represent the bright future of ours and hold our hopes for a better nation. Our children are the most vulnerable members of society. I know some of you are putting the pictures of your children to be your avatar because you love them and you'd like to world see the treasure you have, but not every man in this world shares the same opinion as you do. Protect your children and don't share their picture in public.
Please don't let yours and ours children photographs get into the hands of dangerous child sexual predators or computer-sex offenders.
If you have at this moment your avatar showing picture of a child, please change it into something showing e.g. brick, house, bridge, cartoon character, etc.
If you saw a member of CivilEA having child photograph as avatar, please make a report to us and we'll do our best to guide or warn this member and to remove this photograph by any means.
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