Stress Strain

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2.080 Structural Mechanics Lecture 2: The Concept of Strain

ocw.mit.edu

the stress-strain curve of the material is convex or linear, the rod deforms uniformly and a homogeneous state of strains and stresses are developed inside the rod. This means that local and average strains are the same and the strain can be de ned by considering the total lengths. The displacement at the xed end x= 0 of the rod is zero, u(x= 0 ...

Lecture, Concept, Stress, Strain, Lecture 2, Stress strain, The concept of strain

1 Stress, strain, and displacement wave equation ...

www.mit.edu

linear relationship between stress and strain (linear elastic). Linear elasticity is valid for the short time scale involved in the propagation of seismic waves. Based on Hooke’s law, the relationship between stress and strain is sij = cijklekl s = c e,(1.14) where constant cijkl is the elastic moduli, which describes the proper-ties of the ...

Equations, Waves, Stress, Displacement, Strain, And displacement wave equation

Stress, Strain, and Strain Gages

www.me.psu.edu

Stress, Strain, and Strain Gages, Page 2 Strain gage The principle discussed above, namely that a wire’s resistance increases with strain, is key to understanding how a strain gage works. The strain gage was invented by Ed Simmons at Caltech in 1936. A strain gage consists of a small diameter wire (actually an etched metal foil) that is attached to a backing material …

Stress, Strain

STRESS-STRAIN CURVES

web.mit.edu

STRESS-STRAIN CURVES David Roylance Department of Materials Science and Engineering Massachusetts Institute of Technology Cambridge, MA 02139 August 23, 2001

Technology, Institute, Massachusetts, Stress, Strain, Massachusetts institute of technology, Stress strain

Stresses: Beams in Bending