نتایج جستجو برای: viscoelastic matrix

تعداد نتایج: 377143  

Journal: :Computers & Mathematics with Applications 2013
Zheng Xu Wen Chen

This paper describes our experimental testing of linear viscoelastic creep behaviours in HamiMelon. Experimental data shows that HamiMelon has complex viscoelastic property which cannot be well described by the standard model. Consequently, this study develops a fractional derivative model to describe such complex viscoelastic creep behaviours of Hami Melon. The analytical creep function of the...

Journal: :Epj Web of Conferences 2021

Viscoelastic granular materials are present in several disciplines. One example is asphalt mixture employed road construction. In the last three decades, discrete element modeling has been positioned as a valid tool for analysis of this multiphase material at grain-scale. All despite simplification shape particles used these studies. work, it proposed simplified procedure generation viscoelasti...

Journal: :Materials Research-ibero-american Journal of Materials 2023

The elastic wave attenuation in artificial composites, known as phononic crystals (PnCs), is an important topic the context of manipulation. However, there a lack knowledge obtainment PnCs when viscoelastic effect different polymers considered. In this study, complex band structure longitudinal waves 1-D PnC (VPnC) rods composed by steel inclusions (elastic material) polymeric matrix (viscoelas...

2014

Nanodielectrics, typically defi ned as polymer composites with nanosized ceramic fi llers, have demonstrated significant improvements in electrical endurance, breakdown strength and dielectric constant relative to their constituent materials, which leads to enhanced energy storage capabilities. The key role played by the large interfacial area surrounding nanofi llers proves to be essential to ...

Journal: :Computers in biology and medicine 2004
Chandler A. Phillips Daniel W. Repperger A. T. Neidhard-Doll David Reynolds

This paper describes a revision of the Hill-type muscle model so that it will describe the chemo-mechanical energy conversion process (energetic) and the internal-element stiffness variation (viscoelastic) during a skeletal muscle isometric force twitch contraction. The derivation of this energetic-viscoelastic model is described by a first-order linear ordinary differential equation with const...

Journal: :European Journal of Mechanics A-solids 2021

A new three-dimensional temperature-dependent viscoelastic constitutive model for unidirectional fiber reinforced, polymer composite materials subjected to small strains is developed in this work. The key point introduce the behavior only where appropriate, based on of underlying constituents: particular, matrix deviatoric response considered viscoelastic, while its volumetric response, as well...

2012
Changfu Yao Uttama Rath Helder Maiato David Sharp Jack Girton Kristen M. Johansen Jørgen Johansen

The concept of a spindle matrix has long been proposed. Whether such a structure exists, however, and what its molecular and structural composition are have remained controversial. In this study, using a live-imaging approach in Drosophila syncytial embryos, we demonstrate that nuclear proteins reorganize during mitosis to form a highly dynamic, viscous spindle matrix that embeds the microtubul...

Journal: :Journal of Applied Mechanics and Technical Physics 2022

Results of an experimental study blood properties are reported. To approach the boundary conditions biophysics in a real flow, viscoelastic measurements carried out on surfaces coated with 10-nm thick fibrous layer composed extracellular matrix protein. For native whole blood, plateau shear elastic modulus as function frequency is observed. The immediate consequence elasticity that it necessary...

2010
X. Y. Zhu

A fast multipole formulation for 2D linear viscoelastic problems is presented in this paper by incorporating the elastic–viscoelastic correspondence principle. Systems of multipole expansion equations are formed and solved analytically in Laplace transform domain. Three commonly used viscoelastic models are introduced to characterize the time-dependent behavior of the materials. Since the trans...

2000
Jones Vail Wright

Introduction: The cytoskeleton plays an important role in the physical interactions between the chondrocyte and its extracellular matrix [1, 2] and may therefore be involved in the process of mechanical signal transduction in articular cartilage. The chondrocyte cytoskeleton consists of filamentous proteins such as actin, tubulin, and vimentin which form the microfilaments, microtubules, and in...

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