Techniques and Applications of Finite Element Analysis of the Biomechanical Response of the Human Head to Impact

2000 ◽  
Author(s):  
Jesse Ruan ◽  
Chun Zhou ◽  
Tawfik Khalil ◽  
Albert King
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Human Head ◽  
Element Analysis ◽  
Biomechanical Response

scholarly journals 20614 Finite Element Analysis on a Human Head Injury subject to Impact Loads

2005 ◽  
Vol 2005.11 (0) ◽  
pp. 171-172
Author(s):  
Dai WATANABE ◽  
Kohei YUGE ◽  
Tetsuya NISHIMOTO ◽  
Susumu EJIMA ◽  
Shigeyuki MURAKAMI ◽  
...  
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Head Injury ◽  
Human Head ◽  
Impact Loads ◽  
Element Analysis

Finite Element Analysis and Validation of Brain Deformation in Linear Head Impact

2009 ◽  
Author(s):  
Kaveh Laksari ◽  
Mehdi Shafieian ◽  
Cristina Parenti ◽  
Kurosh Darvish
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Linear Acceleration ◽  
Human Head ◽  
Slip Boundary Condition ◽  
Arbitrary Lagrangian Eulerian ◽  
Element Analysis ◽  
Slip Boundary ◽  
Brain Deformation ◽  
Impact Experiments

The aim of this study is to present two dimensional models of human head undergoing linear acceleration and impact using finite element analysis and validating the results with dynamic impact experiments. The experimental model consisted of a cylindrical gel as brain surrogate material undergoing 55G deceleration with slip boundary condition. Two FE models were developed and compared namely, Lagrangian and Arbitrary Lagrangian Eulerian (ALE). Parameters such as the logarithmic strain and void generated in the posterior region of the head were used to validate the results.

Experimental and Finite Element Investigations on the Biomechanical Effects of Meniscal Tears in the Knee Joint: A Review

2021 ◽  
Vol 50 ◽  
pp. 1-14
Author(s):  
Ashwin Kumar Devaraj ◽  
Kiran Kumar V. Acharya ◽  
Raviraja Adhikari
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Knee Joint ◽  
Contact Pressure ◽  
Medial Meniscus ◽  
Lateral Meniscus ◽  
Knee Joints ◽  
Meniscal Tears ◽  
Element Analysis ◽  
Biomechanical Response

The knowledge of the complex biomechanical behaviour of the injured knee joints is of paramount importance in various clinical situations. A review of the biomechanical effects of meniscal tears based on experimental and finite element analysis has not been reported in the literature. The objective of this study is to present a review of experimental and finite element investigations on the consequences of meniscal tears such as longitudinal, radial, horizontal cleavage and root tears in the medial and lateral menisci. It is found that larger longitudinal tear in the medial meniscus has a significant impact on the magnitude of strain in the meniscus associated with a dramatic increase in CP in the tibial cartilage. Also, the untreated fragment of the torn meniscus leads to a significant rise in contact pressure in the cartilage resulting in the progressive degeneration of the cartilage surface. The radial tears in the lateral meniscus of more than 66% width and those in the medial meniscus of more than 75% width result in a substantial increase in the contact pressure in the cartilage compared to that in the intact knee joint. The root tears in the menisci demonstrate a significant influence on the biomechanical response of the knee joint. The results of finite element analysis studies are compared with experimental findings. Finally, some recommendations for future work are proposed to predict the realistic biomechanical response of the knee joints with meniscal tears. The results of this study present a rationale that could help surgeons in making clinical decisions when managing patients with meniscal tears.

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