本文分析二維空間彈性體中有一個剛性橢圓的內含物，其間之接觸面為一平滑無摩擦力的界面，當受到遠端的剪力與正向作用力時，內含物的行為由解析解可得到當彈性體受到某些荷重狀況下，內含橢圓將產生突然大角度旋轉之snapping行為。

本文是利用ABAQUS有限元素套裝軟體，來模擬分析彈性體中擁有一個平滑介面橢圓剛性內含物的行為，並藉由改變橢圓長短軸長度，遠端剪力大小與正向作用力的大小，來觀察橢圓剛性內含物行為的變化並將其與理論解作一個比較。

In this paper we analysis the behavior of an elastic medium contains a rigid elliptic inclusion with a sliding interface.When the elastic medium is subjected to a remote shear and normal force. Through the exact solution when the elastic medium is under certain load conditions,the elliptic inclusion will have snapping behavior.

In this article make use of the ABAQUS finite element software package,we simulation the behavior of an elastic medium,which contain a rigid elliptic inclusion with a sliding interface. By change the length of elliptic major axis and the minor axisand the remote shear and load,we observe the variety of the rigid elliptic inclusion’s behavior and compare it with the exact solution.

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