Transcription of CH.2. DEFORMATION AND STRAIN
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CH.2. DEFORMATION AND STRAIN
DEFORMATION AND. STRAIN . Multimedia Course on Continuum Mechanics Overview Introduction Lecture 1. DEFORMATION Gradient tensor Material DEFORMATION Gradient tensor Lecture 2. Inverse (Spatial) DEFORMATION Gradient tensor Lecture 3. Displacements Lecture 4. Displacement Gradient Tensors STRAIN Tensors Green-Lagrange or Material STRAIN tensor Lecture 5. Euler-Almansi or Spatial STRAIN tensor Variation of Distances Stretch Lecture 6. Unit elongation Variation of Angles Lecture 7. 2. Overview (cont'd). Physical interpretation of the STRAIN Tensors Lecture 8. Material STRAIN tensor , E. Spatial STRAIN tensor , e Lecture 9. Polar Decomposition Lecture 10. Volume Variation Lecture 11. Area Variation Lecture 12. Volumetric STRAIN Lecture 13. Infinitesimal STRAIN Infinitesimal STRAIN Theory STRAIN Tensors Stretch and Unit Elongation Lecture 14. Physical Interpretation of Infinitesimal Strains Engineering Strains Variation of Angles 3. Overview (cont'd).
Strain Tensors F. characterizes changes of relative placements during motion . but is not a suitable measure of deformation for engineering purposes: It is not null when no changes of distances and angles take place, e.g., in rigid-body motions. Strain. is a normalized measure of deformation which . characterizes the
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