spring and damper energy....... 1.00000E-20 hourglass energy .............. 1.14217E-10 system damping energy.......... 0.00000E+00 sliding interface energy....... 2.00462E-09 external work
The code is largely inspired by the work by Segurado and Llorca (2004) on particle fracture in composites. Paper: E. Martínez-Pa?eda, S. del Busto, C. Betegón.