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  2. von Mises yield criterion - Wikipedia

    en.wikipedia.org/wiki/Von_Mises_yield_criterion

    In materials science and engineering, the von Mises yield criterion is also formulated in terms of the von Mises stress or equivalent tensile stress, . This is a scalar value of stress that can be computed from the Cauchy stress tensor .

  3. Material failure theory - Wikipedia

    en.wikipedia.org/wiki/Material_failure_theory

    Maximum distortion energy theory (von Mises yield criterion) also referred to as octahedral shear stress theory. [4] – This theory proposes that the total strain energy can be separated into two components: the volumetric (hydrostatic) strain energy and the shape (distortion or shear) strain energy. It is proposed that yield occurs when the ...

  4. Goodman relation - Wikipedia

    en.wikipedia.org/wiki/Goodman_relation

    Within the branch of materials science known as material failure theory, the Goodman relation (also called a Goodman diagram, a Goodman-Haigh diagram, a Haigh diagram or a Haigh-Soderberg diagram) is an equation used to quantify the interaction of mean and alternating stresses on the fatigue life of a material. [1]

  5. Strength of materials - Wikipedia

    en.wikipedia.org/wiki/Strength_of_materials

    When a part is subjected to a cyclic stress, also known as stress range (Sr), it has been observed that the failure of the part occurs after a number of stress reversals (N) even if the magnitude of the stress range is below the material's yield strength. Generally, higher the range stress, the fewer the number of reversals needed for failure.

  6. Richard von Mises - Wikipedia

    en.wikipedia.org/wiki/Richard_von_Mises

    Richard Martin Edler von Mises [1] (German: [fɔn ˈmiːzəs]; 19 April 1883 – 14 July 1953) was an Austrian scientist and mathematician who worked on solid mechanics, fluid mechanics, aerodynamics, aeronautics, statistics and probability theory.

  7. Stress triaxiality - Wikipedia

    en.wikipedia.org/wiki/Stress_Triaxiality

    In continuum mechanics, stress triaxiality is the relative degree of hydrostatic stress in a given stress state. [1] It is often used as a triaxiality factor, T.F, which is the ratio of the hydrostatic stress, σ m {\displaystyle \sigma _{m}} , to the Von Mises equivalent stress , σ e q {\displaystyle \sigma _{eq}} .

  8. Feeling so tired all the time? Iron deficiency might be the ...

    www.aol.com/lifestyle/feeling-tired-time-iron...

    Iron deficiency anemia can intensify symptoms of fatigue and shortening of breath, and can cause cold sensitivity, hair loss, paleness to the skin and nail changes, says Cunningham. It has also ...

  9. Yield surface - Wikipedia

    en.wikipedia.org/wiki/Yield_surface

    Figure 3 shows the von Mises yield surface in the three-dimensional space of principal stresses. It is a circular cylinder of infinite length with its axis inclined at equal angles to the three principal stresses. Figure 4 shows the von Mises yield surface in two-dimensional space compared with Tresca–Guest criterion.