Discrete Dislocation Modeling (Presentation) - Clemson University

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Discrete Dislocation Modeling (Presentation) - Clemson University

Discrete Dislocation Formulation

(Decomposition of B.V.P.)

∼ Infinite linear elastic medium with n dislocations

^

v

Modified boundary condition form of original problem

w/o dislocations

u

T o on

S ƒ

u o on

S u

u

= u~

+ uˆ

,

u ~

T On Sƒ ~

= +

ε = ~ ε + ˆ ε,

U On Su ~


~

T T 0

on Sƒ − =

û


~

u U 0 − =

σ = ~ σ + ˆ σ ;

On S u

in

V

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