Reddit Reddit reviews Roark's Formulas for Stress and Strain, 8th Edition

We found 15 Reddit comments about Roark's Formulas for Stress and Strain, 8th Edition. Here are the top ones, ranked by their Reddit score.

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Roark's Formulas for Stress and Strain, 8th Edition
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15 Reddit comments about Roark's Formulas for Stress and Strain, 8th Edition:

u/gettingbored · 9 pointsr/engineering

On top of the recommendation for the PE review book. Grab a copy of Roark's Formulas for Stress and Strain. I think the first edition was written in 1934, and its still in print.

Hundreds of solutions to many types of beams, plates, pressure veseels, and misc other problems. If you are doing much FEA or stress analysis at work, this book is a must.

http://www.amazon.com/Roarks-Formulas-Stress-Strain-8th/dp/0071742476

u/ood_lambda · 7 pointsr/AskEngineers

Beam Equations for how far it will bend, and the formula stress=M*y/I.

Notice both are inversely proportional to the second moment of area (I), which for a circular tube is given by the second equation on this list.

Roark's has a far more complete list of beam scenarios, the seven in that image may not cover your use cases.

Edit: Here's a scan that was lifted from an older edition of Roark's. It should have anything you're looking for.

u/macblastoff · 5 pointsr/AskEngineers

Roark's Formulas for Stress and Strain is the bible for such questions.

Any materials or mechanics student should own this book forever.

u/cardinals5 · 4 pointsr/AskEngineers

I've included Amazon links as I could find them. The three reference guides I have are:

u/Idiot__Engineer · 3 pointsr/engineering

I second Bruhn, also going to throw Roark's out there.

u/theholyraptor · 3 pointsr/AskEngineers

Further reading/research: (Not all of which I've gotten to read yet. Some of which may be quite tangentially relevant to the discussion at hand along with the books and sites I mentioned above. Consider this more a list of books pertaining to the history of technology, machining, metrology, some general science and good engineering texts.)

Dan Gelbart's Youtube Channel

Engineerguy's Youtube Channel

Nick Mueller's Youtube Channel

mrpete222/tubalcain's youtube channel

Tom Lipton (oxtools) Youtube Channel

Suburban Tool's Youtube Channel

NYCNC's Youtube Channel

Computer History Museum's Youtube Channel

History of Machine Tools, 1700-1910 by Steeds

Studies in the History of Machine Tools by Woodbury

A History of Machine Tools by Bradley

Tools for the Job: A History of Machine Tools to 1950 by The Science Museum

A History of Engineering Metrology by Hume

Tools and Machines by Barnard

The Testing of Machine Tools by Burley

Modern machine shop tools, their construction, operation and manipulation, including both hand and machine tools: a book of practical instruction by Humphrey & Dervoort

Machine-Shop Tools and Methods by Leonard

A Measure of All Things: The Story of Man and Measurement by Whitelaw

Handbook of Optical Metrology: Principles and Applications by Yoshizawa

Angle of Attack: Harrison Storms and the Race to the Moon by Gray

Machine Shop Training Course Vol 1 & 2 by Jones

A Century of Electrical Engineering and Computer Science at MIT, 1882-1982

Numerical Control: Making a New Technology by Reintjes

History of Strength of Materials by Timoshenko

Rust: The Longest War by Waldman

The Companion Reference Book on Dial and Test Indicators: Based on our popular website www.longislandindicator.com by Meyer

Optical Shop Testing by Malacara

Lost Moon: The Preilous Voyage of Apollo 13 by Lovell and Kruger

Kelly: More Than My Share of It All by Johnson & Smith

Skunk Works: A Personal Memoir of My Years at Lockheed by Rich & Janos

Unwritten Laws of Engineering by King

Advanced Machine Work by Smith

Accurate Tool Work by Goodrich

Optical Tooling, for Precise Manufacture and Alignment by Kissam

The Martian: A Novel by Weir

Roark's Formulas for Stress and Strain by Young Budynas & Sadegh

Materials Selection in Mechanical Design by Ashby

Slide Rule: The Autobiography of an Engineer by Shute

Cosmos by Sagan

Nuts, Bolts, Fasteners and Plumbing Handbook by Smith Carol Smith wrote a number of other great books such as Engineer to Win.

Tool & Cutter Sharpening by Hall

Handbook of Machine Tool Analysis by Marinescu, Ispas & Boboc

The Intel Trinity by Malone

Manufacturing Processes for Design Professionals by Thompson

A Handbook on Tool Room Grinding

Tolerance Design: A Handbook for Developing Optimal Specifications by Creveling

Inspection and Gaging by Kennedy

Precision Engineering by Evans

Procedures in Experimental Physics by Strong

Dick's Encyclopedia of Practical Receipts and Processes or How They Did it in the 1870's by Dick

Flextures: Elements of Elastic Mechanisms by Smith

Precision Engineering by Venkatesh & Izman

Metal Cutting Theory and Practice by Stephenson & Agapiou

American Lathe Builders, 1810-1910 by Cope As mentioned in the above post, Kennth Cope did a series of books on early machine tool builders. This is one of them.

Shop Theory by Henry Ford Trade Shop

Learning the lost Art of Hand Scraping: From Eight Classic Machine Shop Textbooks A small collection of articles combined in one small book. Lindsay Publications was a smallish company that would collect, reprint or combine public domain source material related to machining and sell them at reasonable prices. They retired a few years ago and sold what rights and materials they had to another company.

How Round Is Your Circle?: Where Engineering and Mathematics Meet by Bryant & Sangwin

Machining & CNC Technology by Fitzpatrick

CNC Programming Handbook by Smid

Machine Shop Practice Vol 1 & 2 by Moltrecht

The Elements of Computing Systems: Building a Modern Computer from First Principles A fantastic book with tons of free online material, labs, and courses built around it. This book could take a 6th grader interested in learning, and teach them the fundamentals from scratch to design a basic computer processor and programming a simple OS etc.

Bosch Automotive Handbook by Bosch

Trajectory Planning for Automatic Machines and Robots by Biagiotti & Melchiorri

The Finite Element Method: Its Basis and Fundamentals by Zhu, Zienkiewicz and Taylor

Practical Treatise on Milling and Milling Machines by Brown & Sharpe

Grinding Technology by Krar & Oswold

Principles of Precision Engineering by Nakazawa & Takeguchi

Foundations of Ultra-Precision Mechanism Design by Smith

I.C.S. Reference Library, Volume 50: Working Chilled Iron, Planer Work, Shaper and Slotter Work, Drilling and Boring, Milling-Machine Work, Gear Calculations, Gear Cutting

I. C. S. Reference Library, Volume 51: Grinding, Bench, Vise, and Floor Work, Erecting, Shop Hints, Toolmaking, Gauges and Gauge Making, Dies and Die Making, Jigs and Jig Making
and many more ICS books on various engineering, technical and non-technical topics.

American Machinists' Handbook and Dictionary of Shop Terms: A Reference Book of Machine-Shop and Drawing-Room Data, Methods and Definitions, Seventh Edition by Colvin & Stanley

Modern Metal Cutting: A Practical Handbook by Sandvik

Mechanical Behavior of Materials by Dowling

Engineering Design by Dieter and Schmidt

[Creative Design of Products and Systems by Saeed]()

English and American Tool Builders by Roe

Machine Design by Norton

Control Systems by Nise

That doesn't include some random books I've found when traveling and visiting used book stores. :)

u/DLS3141 · 2 pointsr/engineering

I lost my 6th version and recently bought the 8th. I don't know where you're shopping, but it's under $100 on Amazon. Even the list price is only $135. Are you looking at the gold plated collectors edition?


u/jtoppan · 2 pointsr/AskEngineers

The stock answers are Roark's if it was full of equations, or Shigley's if it was full of diagrams.

Maybe Machinery Handbook, but it doesn't sound like it.

u/SomeAverageNerd · 2 pointsr/engineering

Good suggestion regarding #1 and #2, especially #1. I use my copy of the Machinery's Handbook regularly as a lookup reference; it's invaluable.

I'd add to the list Roark's Formulas for Stress and Strain. If you want to have either it as a reference and/or you don't know/don't trust your math, this gives you the formula for pretty much anything you need, mechanically. I use this habitually when designing anything beyond the trivial to double check my numbers. It has generalized/normalized formulas for stress, strain, deflection, vibration ,etc for beams, plates, shells, and the like. Oh, and the newer versions have the formula modifiers for solving in both metric and imperial units. If you are doing mechanical design work, this has a place next the the Machinery's Handbook.

Cheers,

u/ArizonaPorkchop · 2 pointsr/engineering

For a stress guy, in addition to the previously mentioned Bruhn, All three of Niu's books are worthwhile.

as well as:
Roark's

Peterson's

u/jayd42 · 1 pointr/engineering

Roarks-Formulas for Stess and Strain

That book has endless examples of different geometry and load cases.

If you look at some existing examples, like here you'll see that they are basically a cone with a dome on the top and bottom.

Shells of Revolutions, Pressure Vessels, pipes are Chapter 13 in the Eighth Edition.

u/utspg1980 · 1 pointr/AskEngineers

Well...how in-depth do you want to get?

https://www.amazon.com/Structural-Shear-Joints-Analyses-Properties/dp/0791802388
https://www.amazon.com/Roarks-Formulas-Stress-Strain-8th/dp/0071742476

At the most fundamental level you're talking about fatigue, fracture mechanics, and the ole S-N curves. A certain aluminum will have a given Fty but over repeated cycles, even if you never near Fty, the metal will yield/crack.

Any geometric change (cutout, fastener hole, etc) causes a stress riser. An empty hole has a stress riser of 3. All of a sudden you dump 2000lbs of load into a fastener in that hole and you're compounding the stress. So it's better to gradually load up the material.

A quick and dirty calculation for this is the "fastener spring method" or "fastener spring stiffness model". Something like that. This is the basis for a lot of FEA models.

A lot of this is from trial and error. Like the cutouts for windows used to be square (with sharp corners) until half the fuselage got ripped off during a flight. Then they started making the inner corners of cutouts rounded.

I think if you google "aircraft durability and damage tolerance" you'll find some semi-detailed info. Although a lot of this will be about crack inspection, etc. some of it will be about repair guidelines/analysis.

These days a lot of fatigue analysis is done by Finite Element Analysis.

u/LucaTurilli · 1 pointr/EngineeringStudents

Depends on the engineer. If you're into solid mechanics, there isn't a reason that you shouldn't own a copy of Roark's Formulas for Stress and Strain.

http://www.amazon.com/Roarks-Formulas-Stress-Strain-8th/dp/0071742476/ref=sr_1_1?s=books&ie=UTF8&qid=1377448154&sr=1-1&keywords=roark%27s+formulas+for+stress+and+strain