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stress tensor
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Figure 2: The nine components of a stress tensor. The first index denotes the direction of the normal, or perpendicular, stresses to the plane across which the contact force acts, and the second index denotes the direction of the component of force (see text).
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stress tensor

mechanics

Learn about this topic in these articles:

stress-strain relation

  • Figure 1: The position vector  x  and the velocity vector  v  of a material point, the body force fdV acting on an element dV of volume, and the surface force TdS acting on an element dS of surface in a Cartesian coordinate system 1, 2, 3 (see text).
    In mechanics of solids: Equations of motion

    Thus, the stress tensor is symmetric.

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