Strain Field Construction

The following sections are included:

• Why constructing strain field?

• Discrete models: a base for strain construction

• General procedure for strain construction

• Admissible conditions for constructed strain field

  • Condition 1: orthogonal condition

  • Condition 2a: norm equivalence condition

  • Condition 2b: strain convergence condition

  • Condition 3: zero-sum condition

• Strain construction techniques

  • At a glance

  • Strain construction by generalized smoothing

  • Strain construction by point interpolation

  • Strain construction by least square approximation

• A brief historical note

• Concluding remarks

• References