نتایج جستجو برای: finite element fe analysis
تعداد نتایج: 3176569 فیلتر نتایج به سال:
A new finite element method for the efficient discretization of elliptic homogenization problems is proposed. These problems, characterized by data varying over a wide range of scales cannot be easily solved by classical numerical methods that need mesh resolution down to the finest scales and multiscale methods capable of capturing the large scale components of the solution on macroscopic mesh...
Fiber optics, nanophotonics, Full Text: FreePDF18. 6MB.Abstract-A vector H-field finite-element method has been used for the solution of. Modulators in integrated optics has prompted the theoretical investigation of.finite element method is widely recognized as a. optical waveguides, particularly structures with arbitrary. 1 Koshiba, M, Optical Waveguide Theory by the.This paper reviews the app...
in this study, the analysis of transient thermoelastic response of a functionally graded (fg) non-axisymmetric viscoelastic cylinder is presented. the material properties are assumed to be time- dependent and radially and circumferentially non-homogeneous. the finite element (fe) formulations of the thermoelastic problem are obtained using the virtual work method and all the coupling terms are ...
Comparison of finite difference and finite element solutions to the variably saturated flow equation
Numerical solutions to the equation governing variably saturated flow are usually obtained using either the finite difference (FD) method or the finite element (FE) method. A detailed comparison of these methods shows that the main difference between them is in how the numerical schemes spatially average the variation of material properties. Further differences are also observed in the way that...
Accurate modeling of head volume conductor plays an important role in EEG/MEG forward and inverse problems. The finite element (FE) modeling of realistic head is a key issue for the finite element analysis of brain electromagnetic field. Various FE modeling methods have been investigated and developed recently to model the realistic head volume conductor, but these methods either use approximat...
The ability to incorporate detailed geometry into finite element models has allowed researchers to investigate the influence of morphology on performance aspects of skeletal components. This advance has also allowed researchers to explore the effect of different material models, ranging from simple (e.g., isotropic) to complex (e.g., orthotropic), on the response of bone. However, bone's compli...
This research introduces an advanced forging method to produce the door frame of the wind turbine tower. The advantage of the new forging method is the increase of raw material utilization ratio and the energy saving. In the conventional method, the door frame is hot forged with a hydraulic press and machined out lots of material because of the big difference between forging shape and final mac...
The paper presents finite element (FE) model development and experimental validation for a truck tractor with a three axle single drop lowboy trailer. The main objective of this research activity was to create a simplified, three dimensional virtual FE model, applicable for computer simulation of dynamic interaction between a vehicle and a bridge or road structure. Such model should provide a r...
the aim of this study was to determine the effect of trenched zirconia bar on the von mises stress distribution of ips -empress ii core ceramics.the three-dimensional model including a three-unit bridge from the second premolar to the second molar was designed. the model was reinforced with zirconia bar (zb), zirconia bar with vertical trench (vzb) and zirconia bar with horizontal trench (hzb) ...
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