Deformation and Strain

  • Jacob Lubliner
  • Panayiotis Papadopoulos


As already discussed with broad strokes in Sect. 1.1, deformation is the change in the distances between material points, which, in turn, leads to changes in shape and/or size of the body. All real materials undergo some deformation under the influence of forces. To quantify the deformation of a solid body relative to some reference configuration, it is important to introduce the notions of stretch and strain.


Shear Strain Longitudinal Strain Volumetric Strain Virtual Work Principal Strain 
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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Jacob Lubliner
    • 1
  • Panayiotis Papadopoulos
    • 2
  1. 1.Civil and Environmental EngineeringUniversity of California, BerkeleyBerkeleyUSA
  2. 2.Department of Mechanical EngineeringUniversity of California, BerkeleyBerkeleyUSA

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