نتایج جستجو برای: orthotropic
تعداد نتایج: 2123 فیلتر نتایج به سال:
the problem of several finite moving cracks in a functionally graded material is solved by dislocation technique under the condition of anti-plane deformation. by using the fourier transform the stress fields are obtained for a functionallygraded strip containing a screw dislocation. the stress components reveal the familiar cauchy singularity at thelocation of dislocation. the solution is empl...
Continuum finite element (FE) models of bones have become a standard pre-clinical tool to estimate bone strength. These models are usually based on clinical CT scans and material properties assigned are chosen as isotropic based only on the density distribution. It has been shown, however, that trabecular bone elastic behavior is best described as orthotropic. Unfortunately, the use of orthotro...
Torsion of elastic and poroelastic circular shaft of radially inhomogeneous, cylindrically orthotropic materials is studied with emphasis on the end effects example for extruder. To examine the conjecture of Saint-Venant’s torsion, we consider torsion of circular shaft with one end fixed and the other end free on which tractions that results in a pure torque are prescribed arbitrarily over the fr...
In this paper, vibration of the protein microtubule, one of the most important intracellular elements serving as one of the common components among nanotechnology, biotechnology and mechanics, is investigated using stress and strain gradient elasticity theory and orthotropic elastic shells model. Microtubules in the cell are influenced by internal and external stimulation and play a part in con...
Biliary hamartomata are rare benign lesions. Herein, we report on a 48-year-old man with a history of end-stage liver disease secondary to alcoholic liver disease. The patient received an orthotropic liver transplant from a brain-death woman. At the time of recovery, there were multiple lesions in the transplanted liver measuring 7-10 mm. Pathology revealed multiple biliary hamartomata. The pos...
PURPOSE: Globally, 39 million people suffer from blindness. Whole eye transplantation (WET) offers the opportunity to provide a viable optical system to recipients with irreversible vision loss. We have previously established a viable orthotropic model for vascularized whole eye transplant in the rat. The purpose of our study is to evaluate gross morphology, structural integrity and aqueous hum...
Simple, accurate buckling interaction formulae are presented for long orthotropic plates with either simply supported or clamped longitudinal edges and under combined loading that are suitable for design studies. The loads include 1) combined uniaxial compression (or tension) and shear, 2) combined pure inplane bending and 3) shear and combined uniaxial compression (or tension) and pure inplane...
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