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Stress (mechanics)

In continuum mechanics, stress is a physical quantity that describes forces present during deformation. For example, an object being pulled apart, such as a stretched elastic band, is subject to tensile stress and may undergo elongation. An object being pushed together, such as a crumpled sponge, is subject to compressive stress and may undergo…

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Common symbols
σ
Dimension
L − 1 M T − 2 {\displaystyle {\mathsf {L}}^{-1}{\mathsf {M}}{\mathsf {T}}^{-2}}
In SI base units
Pa = kg⋅m−1⋅s−2
Other units
psi, bar
SI unit
pascal

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Cauchy tensor

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Stress (mechanics)

Nodes169
Edges168
Triples24
Avg. degree1.99
Density0.011834
Components1

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Stress (mechanics)

Top relations

Common symbols · 1
Stress (mechanics) → σ
Dimension · 1
Stress (mechanics) → L − 1 M T − 2 {\displaystyle {\mathsf {L}}^{-1}{\mathsf {M}}{\mathsf {T}}^{-2}}
In SI base units · 1
Stress (mechanics) → Pa = kg⋅m−1⋅s−2
Other units · 1
Stress (mechanics) → psi, bar
SI unit · 1
Stress (mechanics) → pascal

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Important terminology

stress may material forces normal tensor stresses surface force deformation shear change strain across one analysis displaystyle particles elastic linear

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Stress (mechanics)Common symbolsσ1.00infobox
Stress (mechanics)DimensionL − 1 M T − 2 {\displaystyle {\mathsf {L}}^{-1}{\mathsf {M}}{\mathsf {T}}^{-2}}1.00infobox
Stress (mechanics)In SI base unitsPa = kg⋅m−1⋅s−21.00infobox
Stress (mechanics)Other unitspsi, bar1.00infobox
Stress (mechanics)SI unitpascal1.00infobox
the capitalsinstance ofwith devices0.80text
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the flying buttresses of Gothic cathedrals.Ancientinstance ofwith devices0.80text
medieval architects did develop some geometrical methodsinstance ofwith devices0.80text
simple formulas to compute the proper sizes of pillarsinstance ofwith devices0.80text

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