Results 31 to 40 of about 156,707 (246)

Bending and dynamic analyses of sandwich panels considering the size effect of sandwich core [PDF]

open access: yesInternational Journal for Simulation and Multidisciplinary Design Optimization, 2009
In this paper, the bending and dynamic responses of sandwich panels with the size variation of different sandwich cores and the homogenized cores are analyzed numerically, including the hexagonal and rectangular cores, the square and rhombic cores and ...
Qiu Ke-peng, Zhang Wei-hong, Zhu Ji-hong
doaj   +1 more source

Neumann Homogenization via Integro-Differential Operators, Part 2: singular gradient dependence

open access: yes, 2018
We continue the program initiated in a previous work, of applying integro-differential methods to Neumann Homogenization problems. We target the case of linear periodic equations with a singular drift, which includes (with some regularity assumptions ...
Guillen, Nestor, Schwab, Russell W.
core   +1 more source

Anisotropy of effective thermal conductivity analysis of heat transfer coefficient distribution around spherical particles in a packed bed

open access: yesComputer Assisted Methods in Engineering and Science, 2017
Effective thermal conductivity with radiation is analyzed by a homogenization method. The method used can precisely represent the conditions around particles in a packed bed.
Yusuke Asakuma   +3 more
doaj   +1 more source

An introduction to the qualitative and quantitative theory of homogenization

open access: yes, 2017
We present an introduction to periodic and stochastic homogenization of ellip- tic partial differential equations. The first part is concerned with the qualitative theory, which we present for equations with periodic and random coefficients in a unified ...
Neukamm, Stefan
core   +1 more source

Prediction of effective mechanical properties of composite materials using homogenization approach: Application to tungsten fiber reinforced bulk metallic glass matrix composite

open access: yesEuropean Mechanical Science, 2018
In this paper, the homogenization approach waspresented to predict the effective mechanical properties of heterogeneous materials such as compositematerials.
Soufiane Belhouideg
doaj   +1 more source

Reiterated periodic homogenization of integral functionals with convex and nonstandard growth integrands

open access: yes, 2020
Multiscale periodic homogenization is extended to an Orlicz-Sobolev setting. It is shown by the reiteraded periodic two-scale convergence method that the sequence of minimizers of a class of highly oscillatory minimizations problems involving convex ...
Nnang, Hubert   +2 more
core   +2 more sources

Cluster-Based Optimization of Cellular Materials and Structures for Crashworthiness [PDF]

open access: yes, 2018
The objective of this work is to establish a cluster-based optimization method for the optimal design of cellular materials and structures for crashworthiness, which involves the use of nonlinear, dynamic finite element models. The proposed method uses a
Detwiler, Duane, Liu, Kai, Tovar, Andres
core   +1 more source

Generalized homogenization method for subwavelength periodic lattices

open access: yesOptics Express, 2022
Periodic photonic lattices based on Guided-Mode Resonance (GMR) enable the manipulation of the incident light, making them essential components in a plethora of optical elements including filters, sensors, lasers, and polarizers. The GMR is regarded as a resonance phenomenon in the resonant-subwavelength regime of periodic lattices. We present a method
Atefe Taheri, Mehrdad Shokooh-Saremi
openaire   +2 more sources

Study on Mechanical Problems of Complex Rock Mass by Composite Material Micromechanics Methods: A Literature Review

open access: yesFrontiers in Earth Science, 2022
The mechanical analysis of complex rock mass is a difficult problem, which often occurs in scientific research and practical engineering. Many achievements have been made in the study of rock mass composite problems by composite material micromechanics ...
Junzhao He   +8 more
doaj   +1 more source

Homogenization of heat diffusion in a cracked medium [PDF]

open access: yes, 2013
We develop in this note a homogenization method to tackle the problem of a diffusion process through a cracked medium. We show that the cracked surface of the domain induces a source term in the homogenized equation.
Blanc, Xavier, Peigney, Benjamin Edouard
core   +12 more sources

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