Skip to main content

Theory and Modern Applications

Table 1 DOF, the energy-error and L2-error using sXFEM for different step, impact radius \(\pmb{r=0.1}\)

From: The stable extrinsic extended finite element method for second order elliptic equation with interfaces

2/ h

DOF

\(\boldsymbol {\|u-u_{h}\|_{0}}\)

\(\mathbf{order}_{\boldsymbol {L2}}\)

\(\boldsymbol {\|u-u_{h}\|_{E}}\)

\(\mathbf{order}_{\boldsymbol {E}}\)

19

416

3.14410816 × 10−4

2.88823845 × 10−2

39

1648

1.31537498 × 10−4

2.1536

1.36757789 × 10−2

1.0785

79

6608

3.14410816 × 10−5

2.0647

6.66191594 × 10−3

1.0376

159

26432

8.09627168 × 10−6

1.9573

3.28872649 × 10−3

1.0184