Talk:Strain (materials science)
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The last section on engineering uses epsilon instead of varepsilon. Is there any reason for the inconsistency? If not, I would prefer varepsilon Berland 16:03, 18 January 2007 (UTC)
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[edit] Earthquake
Hello, How would I calculate the force on an object created by a 6.0 earthquake. (The forced movement)
- I'd look at Richter magnitude scale. You can't say how much force or stress an object sees without a particular problem statement. It's like asking how hot a 100W lightbulb is—it just isn't a meaningful question. —Ben FrantzDale 14:43, 15 February 2007 (UTC)
[edit] Rewrite
Hi. I think there is an error in this article. (today: 5/11/05) It's written: 'If Strain is greater than 1, the body has been lengthened; if it is smaller than 1, it has been compressed.' In fact it is: if strain > 0, the body has been lengthened and if strain < 0... according to the definition of the strain written in this same article! Am I right?
- Thanks; I've rewritten parts of the article. Please review it and let me know what you think. Tom Harrison (talk) 04:52, 6 November 2005 (UTC)
I just did loads of stuff to this article. I would say its fairly clean, not quite featured article standard, but clean enough to remove the cleanup notice. I took out a couple of bits about earthquakes, I thought that was a bit too detailed (do we really want to know about tectonic folding in a strain article?), and changed the Small values of strain section to Engineering strain vs. true strain. I'm not done with this article yet. --Nathan 07:22, 2 December 2005 (UTC)
[edit] To do
- Torsional strain
- Strain hardening
- Necking and poisson's ratio
- Engineering strain vs. True strain
- done. I'll get working on the rest soon. --Nathan 07:22, 2 December 2005 (UTC)
- ?
Tom Harrison (talk) 14:25, 6 November 2005 (UTC)
[edit] Strain & deformation
Hi everyone! I've got a question concerning the terms "strain" and "deformation". The article says strain characterizes deformation, while, e.g., Britannica makes no difference between these words. It says "...deformation, or strain,...". So which is correct? Are there any authorities supporting the view expressed in the article? Viktor 12:02, 15 February 2007 (UTC)
- Strain is a technical term with a precise technical dfinition, so in general Britannica may be right, but in technical discussion strain means something particular whereas "deformation" isn't well-defined (as far as I know). —Ben FrantzDale 14:43, 15 February 2007 (UTC)
