نتایج جستجو برای: homogeneous orthotropic material
تعداد نتایج: 431842 فیلتر نتایج به سال:
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...
To assist in light weighting of electric vehicles by improving the volumetric and gravimetric energy density structural performance battery pack, a modelling methodology based on macro finite element model pouch cell has been developed. This treats core structure as homogeneous orthotropic honeycomb block with material being defined an fabric compressive stress elimination. The considers five c...
• Computational nonlinear homogenization of refractory masonry is performed. Effects joints closure/reopening on the mechanical behavior are considered. Computationally efficient homogenized elastic-viscoplastic model developed. Dry close and reopen due to cyclic loading unloading. The response orthotropic nonlinear. Refractory with dry widely used in steel-making industry for linings several h...
In this paper, a hybrid structural finite element (FE) acoustic wave based (WB) approach is formulated to avoid using extra acoustic FE in the case of a simple structural geometry but with complicated structural material properties. Following the formulation, the approach is implemented and validated. First, linear hexahedral solid elements with a selective reduced integration are implemented i...
An exact solution is obtained for the three-dimensional deformations of simply supported laminated rectangular thick plates with embedded shear mode piezoelectric actuators, subjected to mechanical and electrical loading on the upper and lower surfaces. Each layer of the laminate is made of either an orthotropic elastic material or a piezoelectric material whose poling direction lies in the pla...
The aim of this study is the utilization of human medical CT images to quantitatively evaluate two sorts of "error-driven" material algorithms, that is, the isotropic and orthotropic algorithms, for bone remodelling. The bone remodelling simulations were implemented by a combination of the finite element (FE) method and the material algorithms, in which the bone material properties and element ...
Functional adaptation of the femur has been investigated in several studies by embedding bone remodelling algorithms in finite element (FE) models, with simplifications often made to the representation of bone's material symmetry and mechanical environment. An orthotropic strain-driven adaptation algorithm is proposed in order to predict the femur's volumetric material property distribution and...
Ultrasonic polar scans are based on the recording of the reflected or transmitted amplitude of sound, impinging a fiber reinforced composite from every possible angle of incidence. The mechanical anisotropy of such materials makes the reflection coefficient direction dependent, whence an ultrasonic polar scan forms a fingerprint of the investigated material. Such scans have already proved to be...
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