# 6208

Problem Description: Epic Medical Devices (EMD) is a company specialising in the design and manufacture of orthopaedic implants to assist with the healing of fractured bones. They are currently designing the EMD-1, a low-cost, T-shaped plate designed to assist in the treatment of displaced medial clavicle fractures [1]. To eliminate any concerns of failure, EMD wants to investigate a worst-case scenario where the recovering patient has taken a fall and: 1) The majority of screw supports in the EMD-1 have failed and, 2) The patient has twisted their arm 90 degrees. 3) If the material becomes plastic, the design has failed. EMD would like you (the consultant) to approximate this scenario to a solid, 2mm thick, T-shaped plate, rigidly fixed at the bottom and subjected to point loads on the ends of the beam. The edges at the points of load application should behave in a way such that they were stiffened by rigid beams (i.e. use Abaqus’ kinematic coupling constraint, see documentation for more information). The figure below shows the dimensions, loads and boundary conditions of the T-shaped plate. Document Preview:

FEA Assignment-Analytical and NumericalDue Date: 21/09/2018, 5pm, Online SubmissionThis assignment consists of TWO PARTS, 1 and 2, and is worth 30% of the final markAssignment part 1 – Analysis of a worst case torsion load for the EMD-1 orthopaedic implant (50 Marks) Problem Description: Epic Medical Devices (EMD) is a company specialising in the design and manufacture of orthopaedic implants to assist with the healing of fractured bones. They are currently designing the EMD-1, a low-cost, T-shaped plate designed to assist in the treatment of displaced medial clavicle fractures [1]. To eliminate any concerns of failure, EMD wants to investigate a worst-case scenario where the recovering patient has taken a fall and: 1) The majority of screw supports in the EMD-1 have failed and,2) The patient has twisted their arm 90 degrees.3) If the material becomes plastic, the design has failed.EMD would like you (the consultant) to approximate this scenario to a solid, 2mm thick, T-shaped plate, rigidly fixed at the bottom and subjected to point loads on the ends of the beam. The edges at the points of load application should behave in a way such that they were stiffened by rigid beams (i.e. use Abaqus’ kinematic coupling constraint, see documentation for more information). The figure below shows the dimensions, loads and boundary conditions of the T-shaped plate. Dimensions are in millimetres. F F Ends rigidly fixed to point of Rigidly fixed base load application F The material used is a low-cost, surgical steel with the following material properties. Young’s Modulus: 2WY GPaPoission’s Ratio: 0.3 Yield Stress: 3XZ MPast nd rd thWhere W, X, Y and Z are the 1 , 2 , 3 and 4 numbers in your student number respectively. For example, if your student number 516254, the Young’s Modulus and Yield Stress of the material would be 256 GPa 312 MPa respectively. The plate is thin enough such that shell elements should be used to model the…

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Assignment-20….pdf