Abstract
Several authors have formulated the couple stress theory and the micropolar theory of two-dimensional Cosserat body, and obtained several relations between stress and displacement in complex variable forms. In this paper, we show the unified treatment of the problems of three-dimensional Cosserat body with a circular hole, circular solid inclusion or circular ring of solid inclusion by using the new micropolar constants K, G*, K* and ν*. And we give the solutions of micropolar elastic body with a circular hole, circular solid inclusion or a circular ring of solid inclusion under uniform stress at infinity. Lastly, several numerical results are shown by graphical representation.
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