** connector friction tests for TRANSLATOR ** -PREDEFINED + PRESTRESS ** -CUSTOMIZED + PRESTRESS ** results should be identical between the two connector elements **------------------------------------------------ *preprint, model=yes *parameter Rr = 0.12 L = 0.65 f1 = 1.0/Rr f2 = 1.0 f3 = 2.0/L **------------------------------------------------ *Node,nset = all 101,0,0,0 102,1,0,0 201,2,0,0 202,3,0,0 *orientation,name=global 1,0,0, 0,1,0 3,0.0 **------------------------------------------------- *element,type=mass,elset=mass 10001,101 10002,102 20001,201 20002,202 *mass,elset=mass 1.0, *element,type=rotaryI,elset=rotaryI 110001,101 110002,102 120001,201 120002,202 *rotary inertia,elset=rotaryI 1.0,1.0,1.0 **------------------------------------------------- *element,type=conn3d2,elset=tranPredef 1001,101,102 *connector section,elset=tranPredef,behavior=fricPredef translator, global,global **------- *connector behavior,name=fricPredef *connector elastic,comp=1 12.0, *connector friction,predefined ,,1.25 *friction 0.1, **-------------------------------------------------- *element,type=conn3d2,elset=tranCustom 2001,201,202 *connector section,elset=tranCustom,behavior=fricCustom translator, global,global **------- *connector behavior,name=fricCustom *connector elastic,comp=1 12.0, *connector derived component,name=norm1 4, , *connector derived component,name=norm1 2,3 , *connector derived component,name=norm1 5,6 ,, *connector friction,contact force=norm1,component=1 1.25, 0.0 1.20, 1.0 *friction 0.1, **-------------------------------------------------- *boundary 101,1,6 201,1,6 *elset,elset=conn tranPredef,tranCustom *amplitude,name=backforth 0,0, 0.6, 0.6, 1.0,0.2 *amplitude,name=step 0,1,1,1 **-------------------------------------------------- *step,nlgeom *static 0.2,1.0,0.2,0.2 *cload,amplitude=step **load that creates constraint forces 102,2,11.0 102,3,12.0 102,5,1.0 102,6,2.0 202,2,11.0 202,3,12.0 202,5,1.0 202,6,2.0 *boundary,amplitude=backforth 102,1,1,1.0 202,1,1,1.0 *OUTPUT, FIELD, FREQ=0 *OUTPUT,HISTORY *NODE OUTPUT,nset=all U, *ELEMENT OUTPUT,elset=conn CU,CASU,CEF,CSF,CTF,CNF,CSF *el file, elset=conn,freq=100 CU,CASU,CEF,CSF,CTF,CNF,CSF *el print,freq=100,sum=no, tot=no,elset=conn CU, CASU, CEF, CTF, CNF, CSF, CV, *node print,freq=100 u, rf, *end step **-------------------------------------------------- *step,nlgeom *static 0.1,1.0,0.1,0.1 *cload,amplitude=step **load that creates constraint forces 102,2,11.0 102,3,12.0 102,5,1.0 102,6,2.0 202,2,11.0 202,3,12.0 202,5,1.0 202,6,2.0 *cload 102,1,20.0 202,1,20.0 *boundary,op=new 101,1,6 201,1,6 *OUTPUT, FIELD, FREQ=0 *OUTPUT,HISTORY *NODE OUTPUT,nset=all U, *ELEMENT OUTPUT,elset=conn CU,CASU,CEF,CSF,CTF,CNF,CSF *el file, elset=conn,freq=100 CU,CASU,CEF,CSF,CTF,CNF,CSF *el print,freq=100,sum=no, tot=no,elset=conn CU, CASU, CEF, CTF, CNF, CSF, CV, *node print,freq=100 u, rf, *end step **-------------------------------------------------- *step,nlgeom *dynamic 0.1,1.5,0.1,0.1 *cload,amplitude=step **load that creates constraint forces 102,2,11.0 102,3,12.0 102,5,1.0 102,6,2.0 202,2,11.0 202,3,12.0 202,5,1.0 202,6,2.0 *cload 102,1,40.0 202,1,40.0 *boundary,op=new 101,1,6 201,1,6 *OUTPUT, FIELD, FREQ=0 *OUTPUT,HISTORY,FREQ=1 *NODE OUTPUT,nset=all U, *ELEMENT OUTPUT,elset=conn CU,CASU,CEF,CSF,CTF,CNF,CSF *el file, elset=conn,freq=100 CU,CASU,CEF,CSF,CTF,CNF,CSF *el print,freq=100,sum=no, tot=no,elset=conn CU, CASU, CEF, CTF, CNF, CSF, CV, *node print,freq=100 u, rf, *end step **--------------------------------------------------