NUMERICAL ANALYSIS OF BIOENGINEERING CASE STUDY

BY

ABDULAZIZ A. AL-HEGELAN 426100273HASAN O. ALHAZMI 426104751

AHMAD A. ALMAYMOONI 426103310

SUPERVISOR;DR ALI M. ALSAMHAN

EXAMINER;PROF S. DARWISH

KING SAUD UNIVERSITY, COLLEGE OF ENGINEERING, INDUSTRIAL ENGINEERING DEPARTMENTSPRING 2011

BSC PROJECT, PART II

Hip Replacement Surgery

The hip is the joint that connects the thigh bone (the femur) to the pelvis. In recent years, total hip replacement has become a very common operation with over 300 000 operations carried out world-wide every year.

Hip replacement is an operation to replace a natural hip joint with an artificial hip one.

It is a common procedure and effectively relives pain and restores mobility.

The replacement joint is an artificial version of the natural ball and sockets.

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The lower part of the artificial hip joint is usually made of metal and consists of a shaft with the ball part of the joint at the top.

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The main objective of this part of the project, is the development of solid model (CAD model) for the total replacement hip

replacement surgery, which is one step for finite-element model development and for further analysis.

Solid Model Development (Methodology)

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Cement Layer

Artificial hip implant

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FE Model Development (Methodology)

Materials Young's modulus Poisson's ratio

Ni-chrome 6.55E4 MPa 0.2

Cement 2.5E3 MPa 0.38

Cancellous Bone 5.2E2 MPa 0.29

Cortical Bone 3.0E4 MPa 0.29

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Fixed Constraint Condition

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Load Condition

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Conclusion & Suggestions

Although it is able to obtain the solid model and pre-processing the solid model for finite-element model development, it was reported the difficulty in run the computational analysis due to hardware problem. Where huge amount of memory required and also required more stable operating system for accurate and stable finite-element computation procedure.

It is suggested to run the computational analysis on more stable operating system like UNIX or Linux operating system with large memory system.

References

Gerald T Tortora and Sandra Reynolds Grabowski 4th edition (1996). Introduction to human body: the essentials of anatomy and physiology. Addison Wesley publishing company.

Arthur Keith (2008). Menders of The Maimed; The Anatomical & Physiological Principles Underlying The Treatment Of Injuries To Muscles, Nerves, Bones & Joints. Vintage cookery books.

Organs V. Organesyan (2006). Treatment of Bone Fractures and Joint Injuries: External Fixation. BKL publishers.

S.A. Burger, W. Goldsmith and E.R. Lewis (2000).Introduction to bioengineering. Oxford University press, USA.

S.M. Darwish, A.M. AL-Samhan (2009). Optimization of Artificial Hip Joint Parameters. Wiley VCH.

Thank You