نتایج جستجو برای: orthotropic layer

تعداد نتایج: 284802  

Journal: :Int. J. Math. Mathematical Sciences 2005
Satyaki Mukherjee Sandip Das

Integral transform technique is employed to solve the elastodynamic problem of steadystate propagation of a Griffith crack centrally situated along the midplane of orthotropic strip of finite thickness 2h and subjected to point loading with centrally situated moving punches under constant pressure along the boundaries of the layer. The problem is reduced to the solution of a pair of simultaneou...

2011
Nir Trabelsi Zohar Yosibash

6 Patient-specific high order finite-element (FE) models of human femurs based on quantitative computer tomography (QCT) with inhomogeneous orthotropic and isotropic material properties are addressed. The point-wise orthotropic properties are determined by a micromechanics (MM) based approach in conjunction with experimental observations at the osteon level, and two methods for determining the ...

Love-type wave generation in a fiber-reinforced medium placed over an inhomogeneous orthotropic half-space is analysed. The upper and lower boundary surfaces of the fiber reinforced medium are periodically corrugated. Inhomogeneity of half-space is caused by variable density and variable shear modules. Displacement components for layer and half-space are derived by applying separable variable t...

Journal: :American journal of physical medicine & rehabilitation 2012
Hsin-Hui Chiu Mei-Hwan Wu Shoei-Shen Wang Ching Lan Nai-Kuan Chou Ssu-Yuan Chen Jin-Shin Lai

In this study, we sought to assess the cardiopulmonary functions in three pediatric heart transplant recipients, two of whom are with dilated cardiomyopathy, whereas one is with cyanotic heart disease, in early postoperative period. Cardiopulmonary exercise testing was performed using an incremental cycling at 1 mo after surgery. The results revealed that our study subjects had obvious impairme...

2009
Min Zhang Takahiro Ono Yongjin Chen Xin Lv Shun Wu Hong Song Ruini Zhao Yibing Wang

Mandibular condyle plays an important role in the growth and reconstruction of the temporomandibular joint (TMJ). We aimed to obtain orthotropic elastic parameters of the condyle using a continuous-wave ultrasonic technique and to observe the effects of condylar elastic parameters on stress distribution of the TMJ using finite element analysis (FEA). Using the ultrasonic technique, all nine ela...

2007
X. Wang E. Pan

Exact solutions are derived for three-dimensional, orthotropic, linearly piezothermoelastic, simply-supported, and multilayered rectangular plates with imperfect interfaces under static thermo-electro-mechanical loadings. In this research the imperfect interface is described as thermally weakly (or highly) conducting, mechanically compliant and dielectrically weakly (or highly) conducting. Whil...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2010
Zohar Yosibash David Tal Nir Trabelsi

High-order finite-element (FE) analyses with inhomogeneous isotropic material properties have been shown to predict the strains and displacements on the surface of the proximal femur with high accuracy when compared with in vitro experiments. The same FE models with inhomogeneous orthotropic material properties produce results similar to those obtained with isotropic material properties. Herein...

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