Plane stress

Figure 7.2 Plane strain state in a continuum.

Figure 8.1 - Stress transformation at a point in a continuum under plane stress conditions.

Figure 8.2 - Stress components at a plane passing through a point in a continuum under plane stress conditions.

In continuum mechanics, a material is said to be under plane stress if the stress vector is zero across a particular surface. When that situation occurs over an entire element of a structure, as is often the case for thin plates, the stress analysis is considerably simplified, as the stress state can be represented by a tensor of dimension 2 (representable as a 2 × 2 matrix rather than 3 × 3). A related notion, plane strain, is often applicable to very thick members.

单词	Plane stress
释义	Plane stress 英语百科 Plane stress In continuum mechanics, a material is said to be under plane stress if the stress vector is zero across a particular surface. When that situation occurs over an entire element of a structure, as is often the case for thin plates, the stress analysis is considerably simplified, as the stress state can be represented by a tensor of dimension 2 (representable as a 2 × 2 matrix rather than 3 × 3). A related notion, plane strain, is often applicable to very thick members.
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