نتایج جستجو برای: orthotropic materials

تعداد نتایج: 438025  

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...

1987
DOUGLAS N. ARNOLD RICHARD S. FALK JOACHIM NITSCHE

We consider the equations of linear homogeneous anisotropic elasticity admitting the possibility that the material is internally constrained, and formulate a simple necessary and sufficient condition for the fundamental boundary value problems to be well-posed. For materials fulfilling the condition, we establish continuous dependence of the displacement and stress on the elastic moduli and ell...

2017
Hiro Tanaka Kaito Suga Naoki Iwata Yoji Shibutani

Anisotropic materials form inside living tissue and are widely applied in engineered structures, where sophisticated structural and functional design principles are essential to employing these materials. This paper presents a candidate laminated open-cell framework, which is an anisotropic material that shows remarkable mechanical performance. Using additive manufacturing, artificial framework...

In this paper, buckling of orthotropic rectangular plates under different loadings was investigated. For this reason, governing buckling equations for an isotropic plate were modified by applying constitutive equations of orthotropic materials. After obtaining the equations of orthotropic plates, Generalized Differential Quadrature method (GDQM) was applied on buckling equations and thus a set ...

H. Moslemi Naein, Mehdi Tajdari, Siamak Mazdak V. Panahi Zadeh

In this paper, buckling of orthotropic rectangular plates under different loadings was investigated. For this reason, governing buckling equations for an isotropic plate were modified by applying constitutive equations of orthotropic materials. After obtaining the equations of orthotropic plates, Generalized Differential Quadrature method (GDQM) was applied on buckling equations and thus a set ...

Journal: :MM Science Journal 2021

This paper deals with the comparison of experimental measurements and numerical simulation natural frequency shape a carbon fibre monocoque. is used to validate analysis real Usually, monocoques consist orthotropic materials like sandwich honeycomb core. The monocoque manufactured by hand from several layers different materials, which are connected glued joints. does not guarantee material prop...

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...

Journal: :Wood Science and Technology 2022

This paper deals with a new hybrid method coupling an analytical and finite element approach for the calculation of ultrasonic wave propagation velocity in orthotropic materials applied to timber elements. First, consists integrating model described by considering misalignment direction main reference. A second step calls implementation approach. allows computation assuming heterogeneous materi...

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