Table 3 Weak discontinuity enrichments comparison
Sukumar [14] | Moës [27] | Belytschko [28] | |
|---|---|---|---|
F(x) | \(\left| {\sum \limits _{i\in I_H } {lsn_i \varPhi _i \left( \mathbf x \right) } } \right| \) | \(\sum \limits _{i\in I_H } {\left| {lsn_i } \right| \varPhi _i \left( \mathbf x \right) } -\left| {\sum \limits _{i\in I_H } {lsn_i \varPhi _i \left( \mathbf x \right) } } \right| \) | \(\left| {\sum \limits _{i\in I_H } {lsn_i \varPhi _i \left( \mathbf x \right) } } \right| -\left| {lsn_j } \right| \) |