Fig 1.
Conventional representation for strain state of a continuous medium.
(a)One-dimensional strain. (b) Two-dimensional strain. (c) Three-dimensional strain.
Fig 2.
Direction vector of space line.
Fig 3.
Plane strain expressed by three line strains.
Fig 4.
Application of line strain representation method—three-dimensional strain rosette.
(a) Regular tetrahedron shape. (b) One point shape.
Fig 5.
Shear strain representation of simple strain state.
Fig 6.
Decomposition of two vertical direction vectors.
Fig 7.
Geometric representation of a quadrangular pyramid.
Table 1.
Direction vector of shear strain defined by a quadrangular pyramid.
Fig 8.
Right-angled tetrahedron and rotated right-angled tetrahedron.
(a)Lateral view. (b)vertical view.