bugfixes for phase-field fatigue implementation

See merge request !76

Revert "replace Heaviside function for fatigue degradation function with proper if statement (Heaviside not correct for some special cases depending on the parameters)"

This reverts commit 5c5a160e.

fix small error which occured if computations started right away in stage III for the accelerated phase-field fatigue

replace Heaviside function for fatigue degradation function with proper if statement (Heaviside not correct for some special cases depending on the parameters)

adaptive cycle jump for phase-field brittle fatigue

See merge request !75

jheinzmann authored 9 months ago and brgerhar committed 8 months ago

comment the line search routine and add input parameter in NR for after how many non-converged iterations line search should be activated

jheinzmann authored 9 months ago and brgerhar committed 8 months ago

add functionality to automatically select correction factors for smeared crack length based on parameter ell/h

jheinzmann authored 10 months ago and brgerhar committed 8 months ago

add script for the pull test used for the validation of the smeared crack length and add output frequency for pararview files

jheinzmann authored 1 year ago and brgerhar committed 8 months ago

change which cycles are used for LLSQ such that not 3N_s cycles are required at the beginning of each stage

jheinzmann authored 1 year ago and brgerhar committed 8 months ago

fix issues with the adaptive cycle jump and make it work without a numerical tolerance on the minimu Delta Lambda

jheinzmann authored 1 year ago and brgerhar committed 8 months ago

change max. convergence iterations for solver such that it does not influence performance comparisons