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.

• 摘要对有限颗粗法(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。