STO-nG basis sets: Difference between revisions
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'''Huber's equation''', first derived by a Polish engineer [[Tytus Maksymilian Huber]], is a basic formula in elastic material [[tension (physics)|tension]] calculations, an equivalent of the [[equation of state]], but applying to solids. In most simple expression and commonly in use it looks like this: | |||
<math> | |||
\sigma_{red}=\sqrt{({\sigma}^2) + 3({\tau}^2)} | |||
</math> | |||
where <math>\sigma</math> is the [[tensile stress]], and <math>\tau</math> is the [[shear stress]], measured in newtons per square meter (N/m², also called [[pascal (unit)|pascal]]s, Pa), while <math>\sigma_{red}</math> - called a reduced tension, is the resultant tension of the material. | |||
Very useful in calculating the span width of the bridges like [[Golden Gate Bridge]] or [[Verrazano-Narrows Bridge]], their beam cross-sections, etc. | |||
==See also== | |||
* [[Yield surface]] | |||
* [[Stress energy tensor]] | |||
* [[Tensile stress]] | |||
{{classicalmechanics-stub}} | |||
[[Category:Physical quantities]] | |||
[[Category:Structural analysis]] | |||
Revision as of 13:56, 14 June 2013
Huber's equation, first derived by a Polish engineer Tytus Maksymilian Huber, is a basic formula in elastic material tension calculations, an equivalent of the equation of state, but applying to solids. In most simple expression and commonly in use it looks like this:
where is the tensile stress, and is the shear stress, measured in newtons per square meter (N/m², also called pascals, Pa), while - called a reduced tension, is the resultant tension of the material.
Very useful in calculating the span width of the bridges like Golden Gate Bridge or Verrazano-Narrows Bridge, their beam cross-sections, etc.