نتایج جستجو برای: orthotropic nanoplates

تعداد نتایج: 2945  

2014
Diogo M Geraldes Andrew T M Phillips

Functional adaptation of the femur has been studied extensively by embedding remodelling algorithms in finite element models, with bone commonly assumed to have isotropic material properties for computational efficiency. However, isotropy is insufficient in predicting the directionality of bone's observed microstructure. A novel iterative orthotropic 3D adaptation algorithm is proposed and appl...

Journal: :international journal of nano dimension 0
m. karimi department of mechanical engineering, isfahan university of technology, isfahan 84156-83111, iran. a. r. shahidi department of mechanical engineering, isfahan university of technology, isfahan 84156-83111, iran.

in this article, finite difference method (fdm) is used to solve sixth-order derivatives of differential equations in buckling analysis of nanoplates due to coupled surface energy and non-local elasticity theories. the uniform temperature change is used to study thermal effect. the small scale and surface energy effects are added into the governing equations using eringen’s non-local elasticity...

Journal: :Nano letters 2010
Daiwon Choi Donghai Wang In-Tae Bae Jie Xiao Zimin Nie Wei Wang Vilayanur V Viswanathan Yun Jung Lee Ji-Guang Zhang Gordon L Graff Zhenguo Yang Jun Liu

Electrochemically active LiMnPO(4) nanoplates have been synthesized via a novel, single-step, solid-state reaction in molten hydrocarbon. The olivine-structured LiMnPO(4) nanoplates with a thickness of approximately 50 nm appear porous and were formed as nanocrystals were assembled and grew into nanorods along the [010] direction in the (100) plane. After carbon coating, the prepared LiMnPO(4) ...

2013
Yuan Yan Zhi-Min Liao Yang-Bo Zhou Han-Chun Wu Ya-Qing Bie Jing-Jing Chen Jie Meng Xiao-Song Wu Da-Peng Yu

Bi₂Se₃ nanocrystals with various morphologies, including nanotower, nanoplate, nanoflake, nanobeam and nanowire, have been synthesized. Well-distinguished Shubnikov-de Haas (SdH) oscillations were observed in Bi₂Se₃ nanoplates and nanobeams. Careful analysis of the SdH oscillations suggests the existence of Berry's phase π, which confirms the quantum transport of the surface Dirac fermions in b...

In this paper, static and free vibrations behaviors of the orthotropic functionally graded material (FGM) plates resting on the two-parameter elastic foundation are analyzed by the a mesh-free method based on the first order shear deformation plate theory (FSDT). The mesh-free method is based on moving least squares (MLS) shape functions and essential boundary conditions are imposed by transfer...

Journal: :Chemical communications 2008
Lei Wang Chungui Tian Baoli Wang Ruihong Wang Wei Zhou Honggang Fu

Graphitic carbon nanocapsules, nanosheets and nanoplates were selectively obtained via a solid-state pyrolysis route from various ion-exchange resin-iron complexes.

Journal: :iranian journal of science and technology transactions of mechanical engineering 2015
m. r. nami m. janghorban

in this article, an analytical solution is developed to study the free vibration analysis offunctionally graded rectangular nanoplates. the governing equations of motion are derived basedon second order shear deformation theory using nonlocal elasticity theory. it is assumed that thematerial properties of nanoplate vary through the thickness according to the power lawdistribution. our numerical...

2015
YONG-JUNG KIM

We obtain the existence and the uniqueness at the same time in the reconstruction of orthotropic conductivity in two space dimensions by using two sets of internal current densities and boundary conductivity. The curl free equation of Faraday’s law is taken instead of the elliptic equation in a divergence form which is typically used in electrical impedance tomography. A reconstruction method b...

Journal: :Chemical communications 2008
Jinling Song Ying Chu Yang Liu Lili Li Wendong Sun

Ag nanoplates are the first generated by the reductant aniline in the presence of poly(vinyl pyrrolidone) (PVP) at room temperature without stirring in the reaction process.

Journal: :iranian journal of materials forming 2015
m. janghorban m. r. nami

in this paper, on the basis of a new strain gradient elasticity theory, wave propagation in rectangular nanoplates by considering in-plane magnetic field is studied. this strain gradient theory has two gradient parameters and has the ability to compare with the nonlocal elasticity theory. from the best knowledge of author, it is the first time that this theory is used for investigating wave pro...

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