Problem Classification: Goal: determine the distribution of displacements, strainsand stresses in the interior of an elastic body underequilibrium when body forces are given.T(n)SSRRRTraction ProblemDisplacementProblemMixed ProblemSimplification!=011
Traction Problem Problem Classification • Goal: determine the distribution of displacements, strains and stresses in the interior of an elastic body under equilibrium when body forces are given. Displacement Problem Mixed Problem 11 , { , ; , , } 0 i i j i j i f u G F Simplification!
Stress Formulation· Applicable to Traction Problem? Boundary conditions are givenTnin terms of the tractions or stressScomponentsRAiming to reformulate the fieldequations solely in terms of thestresses by eliminating thedisplacements and strains12
Stress Formulation • Applicable to Traction Problem • Boundary conditions are given in terms of the tractions or stress components • Aiming to reformulate the field equations solely in terms of the stresses by eliminating the displacements and strains 12