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MEGN 536 – Computational Biomechanics

MEGN 536 – Computational Biomechanics. Prof. Anthony Petrella Abaqus Boundary Conditions for Simulation of TKR Performance. Abaqus Boundary Conditions. Defined relative to global ref frame shown in Abaqus window

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MEGN 536 – Computational Biomechanics

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  1. MEGN 536 – Computational Biomechanics Prof. Anthony Petrella Abaqus Boundary Conditions for Simulation of TKR Performance

  2. Abaqus Boundary Conditions • Defined relative to global ref frame shown in Abaqus window • Degrees of freedom for INPUT BC’s are indicated by numbers…1 = XTrans, 2 = YTrans, 3 = ZTrans, 4 = XRot, 5 = YRot, 6 = Zrot • NOTE: for OUTPUTS Abaqus uses a different naming convention:U1, U2, U3 for displacements and UR1, UR2, UR3 for rotations ** ** BOUNDARY CONDITIONS ** *Boundary, op=new, amp=flex femur.RP, 1, 1, femur.RP, 3, 3, femur.RP, 4, 4, 1.0 femur.RP, 5, 5, tibia.RP, 1, 2, tibia.RP, 4, 4, tibia.RP, 6, 6, spring_ground, 1, 3,

  3. Abaqus Boundary Conditions • Defined relative to global ref frame shown in Abaqus window • *Boundary can operate on a series of DOF…syntax is…node_num/name, start DOF, end DOF, scale factor ** ** BOUNDARY CONDITIONS ** *Boundary, op=new, amp=flex femur.RP, 1, 1, femur.RP, 3, 3, femur.RP, 4, 4, 1.0 femur.RP, 5, 5, tibia.RP, 1, 2, tibia.RP, 4, 4, tibia.RP, 6, 6, spring_ground, 1, 3,

  4. Abaqus Boundary Conditions • Defined relative to global ref frame shown in Abaqus window • Amplitude name refers to a set of (time, amplitude) data pairs that define a force or displacement curve, these data are contained in the bc_data.inc file provided ** ** BOUNDARY CONDITIONS ** *Boundary, op=new, amp=flex femur.RP, 1, 1, femur.RP, 3, 3, femur.RP, 4, 4, 1.0 femur.RP, 5, 5, tibia.RP, 1, 2, tibia.RP, 4, 4, tibia.RP, 6, 6, spring_ground, 1, 3,

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