| Open the reference model named torsione_rev01_nolabile.mud | this profile is characterized by a lateral crack (open-cross section) | it is loaded on the free extremity by an imposed rotation | independent from the length of the profile | | Starting from this model, we will compare the response of | the opened section profile with the homologous closed profile | calculating their torsional stiffness. | | KEEP IN MIND to set the correct directory where the torsione_rev01_nolabile.mud is located. | |*open_model c:\users\manto\documents\201819_esami\paom\20190404_paom_lab\torsione_rev01_nolabile.mud |=================================== | SAVE THE FILE WITH A NEW NAME | torsione_rev01_nolabile_open_vs_close.mud |=================================== *change_directory C:\Users\manto\Documents\201819_esami\PAOM\20190404_PAOM_lab *save_as_model C:\Users\manto\Documents\201819_esami\PAOM\20190404_PAOM_lab\torsione_rev01_nolabile_open_vs_close.mud yes |=================================== | DUPLICATE MODEL | the reference model will be duplicated totally | and will be located at 100 mm along the X direction | from the reference model |=================================== *duplicate_reset *set_duplicate_translation x 100 *duplicate_combined all_existing |=================================== | SELECT NODES - LATERAL CRACK |=================================== *select_clear *select_method_box *select_mode_and *select_nodes 115 130 -10 10 -1000 1000 |=================================== | SWEEP NODES - CLOSE LATERAL CRACK | the tolerance (t) must be: | at least upper then the crack size; | lower than the elements size; | therefore 0.1 < t < 20 | I consider a tolerance value equal to 0.2 |=================================== *set_sweep_tolerance 0.2 *sweep_nodes all_selected *select_clear |=================================== | CHECK THE COMMAND PROMPT | Deleting 3 duplicate nodes! | Deleting 0 collapsed elements! |=================================== |=================================== | SUBMIT MODEL |=================================== *check_job *update_job *submit_job 1 *monitor_job *save_model |=================================== | OPEN MODEL RESULT | Check the reaction moment Z evaluated at the retained node of the two profiles: | left side open section NODE ID 104 --> 22351.9 Nmm | right side close section NODE ID 157 --> 1.39025e+7 Nmm |=================================== *post_open c:\users\manto\documents\201819_esami\paom\20190404_paom_lab\torsione_rev01_nolabile_open_vs_close_job1.t16 *post_value Reaction Moment Z *post_numerics *post_close |===================================