The influence of Young's modulus of loaded implants on bone remodeling: An experimental and numerical study in the goat knee

2009 ◽  
Vol 90A (3) ◽  
pp. 792-803 ◽  
Author(s):  
Nele Stoppie ◽  
Hans Van Oosterwyck ◽  
John Jansen ◽  
Joop Wolke ◽  
Martine Wevers ◽  
...  
Keyword(s):  
Young’S Modulus ◽  
Bone Remodeling ◽  
Young's Modulus ◽  
Numerical Study

Mechanical behavior of glass fiber‐reinforced Nylon‐6 syntactic foams and its Young's modulus numerical study

2021 ◽  
Vol 138 (27) ◽  
pp. 50648 ◽  
Author(s):  
Roberto Yáñez‐Macías ◽  
Jorge E. Rivera‐Salinas ◽  
Silvia Solís‐Rosales ◽  
Daniel Orduña‐Altamirano ◽  
David Ruíz‐Mendoza ◽  
...  
Keyword(s):  
Mechanical Behavior ◽  
Glass Fiber ◽  
Young’S Modulus ◽  
Young's Modulus ◽  
Numerical Study ◽  
Nylon 6 ◽  
Syntactic Foams ◽  
Fiber Reinforced ◽  
Glass Fiber Reinforced

scholarly journals A Stochastic Galerkin Cell-based Smoothed Finite Element Method (SGCS–FEM)

2019 ◽  
Vol 17 (08) ◽  
pp. 1950054
Author(s):  
Tittu Varghese Mathew ◽  
Lars Beex ◽  
Stéphane PA Bordas ◽  
Sundararajan Natarajan
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Free Vibration ◽  
Young’S Modulus ◽  
Young's Modulus ◽  
Numerical Study ◽  
Mesh Size ◽  
Statistical Characteristics ◽  
Smoothed Finite Element Method ◽  
Element Method

In this paper, the cell-based smoothed finite element method is extended to solve stochastic partial differential equations with uncertain input parameters. The spatial field of Young’s Modulus and the corresponding stochastic results are represented by Karhunen-Loéve expansion and polynomial chaos expansion, respectively. Young’s Modulus of structure is considered to be random for stochastic static as well as free vibration problems. Mathematical expressions and the solution procedure are articulated in detail to evaluate the statistical characteristics of responses in terms of the static displacements and the free vibration frequencies. The feasibility and the effectiveness of the proposed SGCS–FEM method in terms of accuracy and lower demand on the mesh size in the solution domain over that of conventional FEM for stochastic problems are demonstrated by carefully chosen numerical examples. From the numerical study, it is inferred that the proposed framework yields accurate results.

Numerical Study of Springback Laws in Metal Forming of Diaphragm of Automotive Horn

2009 ◽  
Vol 628-629 ◽  
pp. 505-510 ◽  
Author(s):  
Yan Qiu Zhang ◽  
S.Y. Jiang ◽  
Y.F. Zheng ◽  
Li Hong Zhao
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Young’S Modulus ◽  
Metal Forming ◽  
Young's Modulus ◽  
Numerical Study ◽  
Yield Ratio ◽  
Punch Radius ◽  
Element Method

The influences of four parameters such as young’s modulus, yield ratio, punch radius and blank thickness on the springback of diaphragm of automotive horn are analyzed by combining experiment with FEM (finite element method), and the springback laws of the parameters’ interaction are revealed. The results show that the springback of diaphragm is influenced by the yield ratio of material evidently, but is influenced by punch radius slightly when the parameters interact. However, the influence of punch radius increases greatly when the young’s modulus is very low. Therefore, the influence of the parameters’ interaction must be considered so as to control the springback effectively when the forming scheme of diaphragm is designed.

Cancellous Bone Young’s Modulus Variation Within the Vertebral Body of a Ligamentous Lumbar Spine—Application of Bone Adaptive Remodeling Concepts

1995 ◽  
Vol 117 (3) ◽  
pp. 266-271 ◽  
Author(s):  
Vijay K. Goel ◽  
Steven A. Ramirez ◽  
Weizeng Kong ◽  
Lars G. Gilbertson
Keyword(s):  
Finite Element ◽  
Lumbar Spine ◽  
Young’S Modulus ◽  
Bone Remodeling ◽  
Vertebral Body ◽  
Cancellous Bone ◽  
Young's Modulus ◽  
Control Variable ◽  
Compressive Load ◽  
Vertebral Bodies

Bone remodeling theory based on strain energy density (SED) as the feedback control variable was used in conjunction with the finite element method to analyze the shape of the vertebral bodies within the ligamentous motion segment. The remodeling theory was once again applied to the altered two motion segments model to predict the Young’s modulus distribution of the cancellous bone within the vertebral bodies. A three-dimensional finite element model of the two motion segments ligamentous lumbar spine (L3-5) was developed. Bone remodeling response (external as well as internal) of the motion segments to a uniaxial compressive load of 424.7 N was studied. The external shape of the converged model matched the normal shape of a vertebral body. The internal remodeling resulted in regional cancellous bone Young’s moduli (or bone density) distributions similar to those reported in the literature; posterocentral regions of the vertebrae were predicted to have greater values of the elastic modulus than that of the outer regions. The results of the present study suggest that vertebral body assumes an adequate/optimum structure in terms of both its shape and its elastic moduli distribution within the cancellous region in response to the applied load. Extensions of the present model and its clinically relevant applications are discussed.

scholarly journals Titanium-Based Biomaterials for Preventing Stress Shielding between Implant Devices and Bone

2011 ◽  
Vol 2011 ◽  
pp. 1-10 ◽  
Author(s):  
M. Niinomi ◽  
M. Nakai
Keyword(s):  
Titanium Alloys ◽  
Young’S Modulus ◽  
Bone Remodeling ◽  
Biomedical Applications ◽  
Young's Modulus ◽  
Stress Shielding ◽  
Dynamic Strength ◽  
Young’S Moduli ◽  
Metallic Biomaterials ◽  
Bone Atrophy

β-type titanium alloys with low Young's modulus are required to inhibit bone atrophy and enhance bone remodeling for implants used to substitute failed hard tissue. At the same time, these titanium alloys are required to have high static and dynamic strength. On the other hand, metallic biomaterials with variable Young's modulus are required to satisfy the needs of both patients and surgeons, namely, low and high Young's moduli, respectively. In this paper, we have discussed effective methods to improve the static and dynamic strength while maintaining low Young's modulus forβ-type titanium alloys used in biomedical applications. Then, the advantage of low Young's modulus ofβ-type titanium alloys in biomedical applications has been discussed from the perspective of inhibiting bone atrophy and enhancing bone remodeling. Further, we have discussed the development ofβ-type titanium alloys with a self-adjusting Young's modulus for use in removable implants.

Sign in / Sign up

Export Citation Format

Share Document