@article{ColomboDriraFrotscheretal.2022, author = {Daniele Colombo and Slah Drira and Ralf Frotscher and Manfred Staat}, title = {An element-based formulation for ES-FEM and FS-FEM models for implementation in standard solid mechanics finite element codes for 2D and 3D static analysis}, journal = {International Journal for Numerical Methods in Engineering}, volume = {124}, number = {2}, pages = {402 -- 433}, doi = {10.1002/nme.7126}, year = {2022}, }