The state of stress at a point is given by [sigma ]=[[80,20,40],[20,60,10],[40,10,20]]MPa
The Young's modulus of the material is 200GPa, Poisson's ratio is 0.25 and the yield strength of
the material is 200MPa.
(a) Determine the strains at this point.
(b) Determine the hydrostatic and deviatoric stress at this pint.
(c) Determine the safety factors according to:
(i) Maximum principal stress criterion,
(ii) Tresca Criterion, and
(iii) von Mises criterion.
80 20 40 The state of stress at a point is given by [] = 20 60 10|MPa 10 20
The Youngs modulus of the material is 200 GPa, Poissons ratio is 0.25 and the yield strength of the material is 200 MPa.
) Determine the strains at this point
b) Determine the hydrostatic and deviatoric stress at this pint.
c) Determine the safety factors according to:
i) Maximum principal stress criterion,
(ii) Tresca Criterion, and
(iii) von Mises criterion.