Ewing, Richard E.; Li, Zhilin; Lin, Tao; Lin, Yanping - In: Mathematics and Computers in Simulation (MATCOM) 50 (1999) 1, pp. 63-76
An immersed finite element space is used to solve the elliptic interface problems by a finite volume element method. Special nodal basis functions are introduced in a triangle whose interior intersects with the interface so that the jump conditions across the interface are satisfied. Optimal...