An extension of Finite Cell Method(FCM) is presented,which was used to simulate mass transport process in porous media with unhomogeneous porosity.We also gave two numerical examples here.

• 对有限颗粒法(FCM)进行了推广；将FCM用于模拟二维变孔隙率下多孔介质中污染物运移情况；并给出相应的数值算例.