Step 3 — MPC184 and BEAM188 connectors
ET,2,MPC184
KEYOPT,2,1,1
KEYOPT,2,2,1
E,head_pilot,thread_pilot
ET,2,BEAM188
SECTYPE,1,BEAM,CSOLID
SECDATA,bolt_d
E,head_pilot,thread_pilotMPC184 case: rigid beam with Lagrange multipliers to recover SMISC. BEAM188 case: finite axial bolt stiffness. Load: F,head_pilot,FX and FY.
MPC184 (rigid connector).
BEAM188: same load, greater head compliance.