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Isotropic Composite sentence examples within low velocity impact

low velocity impact

A series of drop tower low-velocity impact tests were performed on quasi-isotropic composite plates.

Detection of Barely Visible Impact Damage in Polymeric Laminated Composites Using a Biomimetic Tactile Whisker

low velocity impact

Quasi-isotropic composite laminates were subjected to low-velocity impact energy ranging from 2J to 4.

Low-velocity impact damage detection using coda waves on CFRP laminates

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Isotropic Composite sentence examples within Transversely Isotropic Composite

Transversely Isotropic Composite

The object of the research was a unidirectional transversely isotropic composite with a two-phase polydisperse structure - a piezo actuator cell and fragments of polydisperse fibrous structures.

Numerical Simulation of Polydisperse Two-phase Unidirectional Fibrous Structures Electroelastic Deformation

Transversely Isotropic Composite

When both the matrix and the fibers are isotropic, for the 2D fiber distributions at least three direction arrangements of fibers are needed to build the fiber-reinforced transversely isotropic composite materials, and for the 3D fiber distributions at least six direction arrangements are needed to build the fiber-reinforced isotropic composite materials.

Effective elasticity tensors of fiber-reinforced composite materials with 2D or 3D fiber distribution coefficients

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Isotropic Composite sentence examples within isotropic composite material

isotropic composite material

For anisotropic composite material cases, directivity plots can be extracted, containing the phase-velocities, group velocities, and slowness curves.

Safe dispersion: a graphical user interface for modelling guided wave propagation in elastic solids

isotropic composite material

The paper shows the results of research on the stress-strain behavior of anisotropic composite materials in the structures of wood-metal slide bearings.

Improving the Performance of Wood-Metal Slide Bearings for Forestry Machinery

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Isotropic Composite sentence examples within isotropic composite laminate

isotropic composite laminate

This approach is finally validated through modal analysis of various anisotropic composite laminates.

Consistent derivation of stress-based generalized models in elastodynamics: application to layerwise plate models

isotropic composite laminate

The compression failure behaviors of CCF300/5228A quasi-isotropic composite laminates with prefabricated surface cracks were studied experimentally.

Experimental Study on Compression Failure of Composite Laminates with Prefabricated Surface Cracks

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Isotropic Composite sentence examples within isotropic composite plate

isotropic composite plate

A series of drop tower low-velocity impact tests were performed on quasi-isotropic composite plates.

Detection of Barely Visible Impact Damage in Polymeric Laminated Composites Using a Biomimetic Tactile Whisker

isotropic composite plate

In this work, we studied the scattering behavior of an incident A0 guided wave mode propagating towards an impacted damaged zone created within a quasi-isotropic composite plate.

3D Modelling of the Scattering of the Fundamental Anti-Symmetric Lamb Mode (A0) Propagating within a Point-Impacted Transverse-Isotropic Composite Plate

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Isotropic Composite sentence examples within isotropic composite film

isotropic composite film

Anisotropic composite films of polyaniline (PANI) with single-walled carbon nanotube (SWCNT) were prepared by in-situ electro-polymerization on highly oriented high density polyethylene (HDPE) films.

Anisotropic Polyaniline/SWCNT Composite Films Prepared by in-situ Electro-polymerization on Highly Oriented Polyethylene for High Efficiency Ammonia Sensor.

isotropic composite film

Further, anisotropic composite films exhibited in-plane thermal conductivity as high as ∼3.

Superior, Processing-Dependent Thermal Conductivity of Cellulose Nanocrystal-Poly(vinyl alcohol) Composite Films

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Isotropic Composite sentence examples within isotropic composite beam

isotropic composite beam

New analytical solutions for the static deflection of anisotropic composite beams resting on variable stiffness elastic foundations are obtained by the means of the Homotopy Analysis Method (HAM).

Static analysis of composite beams on variable stiffness elastic foundations by the Homotopy Analysis Method

isotropic composite beam

In this paper, some analytical results via extended Galerkin method on free vibration characteristics of an anisotropic composite beam, which is modeled as a nonuniform thin-walled structure with a chordwise asymmetric closed cross-section and corrected the warping functions, are newly presented.

Free Vibration of Composite Thin-Walled Beams with Chordwise Asymmetric Closed Cross-Sections

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Isotropic Composite sentence examples within isotropic composite structure

isotropic composite structure

This study presents a methodology to optimize an anisotropic composite structure, comprising in performing cross-section optimization of a topologically-optimized structure through an evolutionary optimization using a genetic algorithm (GA).

Cross-section optimization of topologically-optimized variable-axial anisotropic composite structures

isotropic composite structure

Wave propagation characteristics in both isotropic and anisotropic composite structures can also be studied.

Calculation of wave dispersion curves in multilayered composites using semi-analytical finite element method

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Isotropic Composite sentence examples within isotropic composite foam

isotropic composite foam

Herein, a series of bio-based anisotropic composite foams were fabricated from oil-in-water (o/w) high internal phase Pickering emulsions (Pickering HIPEs) stabilized by both bio-based poly (urethane-acrylate) (PUA) and poly (cyclotriphosphazene-co-4,4ʹ-sulfonyldiphenol) (PZS) particles.

Fabrication of Anisotropic Polyphosphazene/Bio-based Poly(urethane-acrylate) composite foams with High Thermal Insulation and Flame Retardancy

isotropic composite foam

Afterwards, PMOPZ was integrated with CNF to design an anisotropic composite foam via the unidirectional freeze-drying method.

Cyclotriphosphazene-bridged periodic mesoporous organosilica-integrated cellulose nanofiber anisotropic foam with highly flame-retardant and thermally insulating properties

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Isotropic Composite sentence examples within isotropic composite cylinder

isotropic composite cylinder

Such a problem has relevance to several problems of technological significance, for example blood vessels can be idealized as finite anisotropic composite cylinders.

Motion of a finite composite cylindrical annulus comprised of nonlinear elastic solids subject to periodic shear

isotropic composite cylinder

Such a problem has relevance to several problems of technological significance, for example blood vessels can be idealized as finite anisotropic composite cylinders.

Motion of a finite composite cylindrical annulus comprised of nonlinear elastic solids subject to periodic shear.

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Isotropic Composite sentence examples within isotropic composite dielectric

isotropic composite dielectric

The widespread use of anisotropic composite dielectric coatings operating in the microwave range in various science-intensive areas has led to the search and selection of effective methods for radio wave nondestructive testing of their electrophysical parameters.

Evaluation of Permittivity and Thickness Gaging for Anisotropic Dielectric Coatings by the Method of Surface Electromagnetic Waves

isotropic composite dielectric

The widespread use of anisotropic composite dielectric coatings operating in the microwave range in various science-intensive areas has led to the search and selection of effective methods of radio wave nondestructive testing of their electrophysical parameters.

Контроль диэлектрической проницаемости и толщины анизотропных диэлектрических покрытий методом поверхностных электромагнитных волн

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10.1016/J.COMPSTRUCT.2021.114489

9% increase in energy absorption is achieved by the quasi-isotropic composites comparing with the orthotropic composites under the same areal density, caused by enlarged stress dissipation and deformation areas as the yarn directions increase.

A numerical study on the influence of quasi-isotropic structures on the ballistic performance of para-aramid woven composites

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10.1016/j.mtchem.2020.100395

Remarkably, experimental results demonstrate that by exciting such anisotropic composites along the alignment direction enhances the LFIH effect by more than 30%.

Development of anisotropic ferromagnetic composites for low-frequency induction heating technology in medical applications

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10.1117/12.2582952

For anisotropic composite material cases, directivity plots can be extracted, containing the phase-velocities, group velocities, and slowness curves.

Safe dispersion: a graphical user interface for modelling guided wave propagation in elastic solids

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10.3390/app11167276

In this work, we studied the scattering behavior of an incident A0 guided wave mode propagating towards an impacted damaged zone created within a quasi-isotropic composite plate.

3D Modelling of the Scattering of the Fundamental Anti-Symmetric Lamb Mode (A0) Propagating within a Point-Impacted Transverse-Isotropic Composite Plate

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10.1051/epjam/2021010

The paper introduces an approximate method for computing the effective conductivity of isotropic composites with imperfect interfaces in two-dimensional space.

Estimating the effective conductivity for ellipse-inclusion model with Kapitza thermal resistance

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10.1115/1.4050759

Experimental results validated the feasibility of the developed acoustic field-assisted TPP process on printing anisotropic composites with spatially controlled material compositions.

Acoustic Field-Assisted Two-Photon Polymerization Process

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10.1016/J.IJSOLSTR.2021.111077

This approach is finally validated through modal analysis of various anisotropic composite laminates.

Consistent derivation of stress-based generalized models in elastodynamics: application to layerwise plate models

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10.3390/membranes11060412

Herein, we investigate the electrical resistance relaxation of anisotropic composites when they are subjected to an external electric field.

On the Electrical Resistance Relaxation of 3D-Anisotropic Carbon-Fiber-Filled Polymer Composites Subjected to External Electric Fields

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10.1109/TIM.2020.3016153

A deconvolutional neural network (DNN) is integrated into the ultrasound (UT) pulse-echo Lamb wave nondestructive evaluation (NDE) imaging technique to achieve subwavelength super-resolution defect images for the application of anisotropic composite airplane-laminated structures.

Super-Resolution Ultrasound Lamb Wave NDE Imaging of Anisotropic Airplane Laminates via Deconvolutional Neural Network

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10.1007/s00707-021-03043-z

New analytical solutions for the static deflection of anisotropic composite beams resting on variable stiffness elastic foundations are obtained by the means of the Homotopy Analysis Method (HAM).

Static analysis of composite beams on variable stiffness elastic foundations by the Homotopy Analysis Method

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10.1016/J.COMPOSITESB.2021.109076

A hybrid model of nonlinear homogenisation of anisotropic composites was developed, based on the secant Eshelby's model of the second order.

Hybrid model of nonlinear homogenisation of anisotropic composites with ellipsoidal inclusions

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10.3390/ma14133616

The compression failure behaviors of CCF300/5228A quasi-isotropic composite laminates with prefabricated surface cracks were studied experimentally.

Experimental Study on Compression Failure of Composite Laminates with Prefabricated Surface Cracks

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10.1021/acsami.1c10315

This analysis is necessary for the creation of anisotropic composites that are sensitive to external stimuli.

Formation of the Inorganic and Organic Shells on the Surface of CdSe Quantum Dots.

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10.37482/0536-1036-2021-2-156-168

The paper shows the results of research on the stress-strain behavior of anisotropic composite materials in the structures of wood-metal slide bearings.

Improving the Performance of Wood-Metal Slide Bearings for Forestry Machinery

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10.1016/J.POLYMER.2021.124108

Herein, a series of bio-based anisotropic composite foams were fabricated from oil-in-water (o/w) high internal phase Pickering emulsions (Pickering HIPEs) stabilized by both bio-based poly (urethane-acrylate) (PUA) and poly (cyclotriphosphazene-co-4,4ʹ-sulfonyldiphenol) (PZS) particles.

Fabrication of Anisotropic Polyphosphazene/Bio-based Poly(urethane-acrylate) composite foams with High Thermal Insulation and Flame Retardancy

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10.36622/VSTU.2021.50.2.006

The developed formulas take into account the cooperation of triaxial compressed concrete core and an anisotropic composite GFRP shell.

STRUCTURAL EVALUATION OF REINFORCED CONCRETE COLUMN WITH COMPOSITE GFRP SHELL -- A STRUCTURAL ELEMENTOF BRIDGE PIER

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10.1093/jge/gxab034

For a certain kind of shale or tight sandstones, which are viewed as isotropic composites, both the models work well.

Effective moduli of rocks predicted by the Kuster–Toksöz and Mori–Tanaka models

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10.1177/1045389X20986995

Elastic modulus measurements of anisotropic composites under a magnetic field suggest that NBR composites have much better field-dependent magnetic properties than NR composites.

Anisotropic magnetorheological elastomers with carbonyl iron particles in natural rubber and acrylonitrile butadiene rubber: A comparative study

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10.1016/J.NDTEINT.2021.102403

The results show that the resistive loss dominates the eddy current attenuation in less conductive and high anisotropic composites, resulting in a frequency independent attenuation law, which is very different from skin effect.

Resistive loss considerations in the finite element analysis of eddy current attenuation in anisotropic conductive composites

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10.1134/S1061830921060085

The widespread use of anisotropic composite dielectric coatings operating in the microwave range in various science-intensive areas has led to the search and selection of effective methods for radio wave nondestructive testing of their electrophysical parameters.

Evaluation of Permittivity and Thickness Gaging for Anisotropic Dielectric Coatings by the Method of Surface Electromagnetic Waves

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10.1016/j.wavemoti.2020.102670

In this research, we applied a polynomial hybrid approach for modelling longitudinal guided waves propagating in anisotropic composites multi-layered pipes.

Application of state vector formalism and Legendre polynomial hybrid method in the longitudinal guided wave propagation analysis of composite multi-layered pipes

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10.1007/S40430-021-02993-8

The aeroelastic instability of a high-aspect-ratio wing including anisotropic composite wing–spar in an incompressible flow is investigated.

Nonlinear aeroelasticity of high-aspect-ratio wings with laminated composite spar

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10.1016/J.COMPOSITESA.2021.106524

7 mm, and compared it with the behavior of continuous fiber quasi-isotropic composite laminate with a similar plate thickness.

An experimental investigation on low-velocity impact response and compression after impact of a stochastic, discontinuous prepreg tape composite

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10.22363/2312-8143-2021-22-1-23-35

This opens up prospects for the use of anisotropic composite materials to ensure the thermal regime of the nanosatellite.

Simulation of the thermal control system of nanosatellite using the loop heat pipes under the orbital flight conditions

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10.1016/J.COMPOSITESB.2021.109267

5 wt%, which is over 3 times that of the isotropic composite with the same BN content.

Construction and mechanism of 3D printed polyamide 12/boron nitride template composites with localized and unidirectional thermally conductive property

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10.1134/S2075113321030230

” Step deformation is the main mechanism of deformation and destruction of anisotropic composite materials upon impact.

Impact Effect on Fiber and Composite Material Based on It

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10.1016/J.CERAMINT.2021.07.284

The anisotropic composites damage evolution was characterized by Murakami-Ohno damage theory.

Multiscale numerical investigation on failure behaviour of three-dimensional orthogonal woven carbon/carbon composites subjected to pin-loading

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10.1016/J.CONBUILDMAT.2021.124276

However, the structural response of shear walls reinforced with non-isotropic composite material nets, bonded with relatively low-strength and non-elastic mortar matrices is difficult to study with numerical models.

Full size testing and detailed micro-modeling of the in-plane behavior of FRCM–reinforced masonry

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10.1016/j.enganabound.2020.11.013

Due to extensive applications in engineering practice, analysis of heat transfer in three-dimensional anisotropic composites has remained to be an important research topic.

Three-dimensional analysis of heat conduction in anisotropic composites with thin adhesive/interstitial media by the boundary element method

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10.31857/S0130308221060063

The widespread use of anisotropic composite dielectric coatings operating in the microwave range in various science-intensive areas has led to the search and selection of effective methods of radio wave nondestructive testing of their electrophysical parameters.

Контроль диэлектрической проницаемости и толщины анизотропных диэлектрических покрытий методом поверхностных электромагнитных волн

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10.1117/12.2582877

In this method, pure SH0 wave excitation was achieved using the adjustable angle beam transducers (ABT) in quasi-isotropic composite plates.

Pure SH0 wave tomography for delamination detection in aerospace composites

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10.1016/J.MECHMAT.2021.103994

In what follows, we develop a coupled chemo-mechanical model to predict the oxidation response of this highly anisotropic composite material, based on an earlier developed multiphysics theory of bulk polymer’s oxidation.

A homogenized large deformation constitutive model for high temperature oxidation in fiber-reinforced polymer composites

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10.18500/1816-9791-2021-21-1-26-34

Modern technology shows increased demands on the strength properties of machines, their parts, as well as various structures, reducing their weight, volume and size, which leads to the need to use anisotropic composite materials.

The flexural strength of anisotropic composite plates with free edges

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Isotropic Composite
Encyclopedia

What is/are Isotropic Composite?

Isotropic Composite - 9% increase in energy absorption is achieved by the quasi-isotropic composites comparing with the orthotropic composites under the same areal density, caused by enlarged stress dissipation and deformation areas as the yarn directions increase. [1] Remarkably, experimental results demonstrate that by exciting such anisotropic composites along the alignment direction enhances the LFIH effect by more than 30%. [2] For anisotropic composite material cases, directivity plots can be extracted, containing the phase-velocities, group velocities, and slowness curves. [3] In this work, we studied the scattering behavior of an incident A0 guided wave mode propagating towards an impacted damaged zone created within a quasi-isotropic composite plate. [4] The paper introduces an approximate method for computing the effective conductivity of isotropic composites with imperfect interfaces in two-dimensional space. [5] Experimental results validated the feasibility of the developed acoustic field-assisted TPP process on printing anisotropic composites with spatially controlled material compositions. [6] This approach is finally validated through modal analysis of various anisotropic composite laminates. [7] Herein, we investigate the electrical resistance relaxation of anisotropic composites when they are subjected to an external electric field. [8] A deconvolutional neural network (DNN) is integrated into the ultrasound (UT) pulse-echo Lamb wave nondestructive evaluation (NDE) imaging technique to achieve subwavelength super-resolution defect images for the application of anisotropic composite airplane-laminated structures. [9] New analytical solutions for the static deflection of anisotropic composite beams resting on variable stiffness elastic foundations are obtained by the means of the Homotopy Analysis Method (HAM). [10] A hybrid model of nonlinear homogenisation of anisotropic composites was developed, based on the secant Eshelby's model of the second order. [11] The compression failure behaviors of CCF300/5228A quasi-isotropic composite laminates with prefabricated surface cracks were studied experimentally. [12] This analysis is necessary for the creation of anisotropic composites that are sensitive to external stimuli. [13] The paper shows the results of research on the stress-strain behavior of anisotropic composite materials in the structures of wood-metal slide bearings. [14] Herein, a series of bio-based anisotropic composite foams were fabricated from oil-in-water (o/w) high internal phase Pickering emulsions (Pickering HIPEs) stabilized by both bio-based poly (urethane-acrylate) (PUA) and poly (cyclotriphosphazene-co-4,4ʹ-sulfonyldiphenol) (PZS) particles. [15] The developed formulas take into account the cooperation of triaxial compressed concrete core and an anisotropic composite GFRP shell. [16] For a certain kind of shale or tight sandstones, which are viewed as isotropic composites, both the models work well. [17] Elastic modulus measurements of anisotropic composites under a magnetic field suggest that NBR composites have much better field-dependent magnetic properties than NR composites. [18] The results show that the resistive loss dominates the eddy current attenuation in less conductive and high anisotropic composites, resulting in a frequency independent attenuation law, which is very different from skin effect. [19] The widespread use of anisotropic composite dielectric coatings operating in the microwave range in various science-intensive areas has led to the search and selection of effective methods for radio wave nondestructive testing of their electrophysical parameters. [20] In this research, we applied a polynomial hybrid approach for modelling longitudinal guided waves propagating in anisotropic composites multi-layered pipes. [21] The aeroelastic instability of a high-aspect-ratio wing including anisotropic composite wing–spar in an incompressible flow is investigated. [22] 7 mm, and compared it with the behavior of continuous fiber quasi-isotropic composite laminate with a similar plate thickness. [23] This opens up prospects for the use of anisotropic composite materials to ensure the thermal regime of the nanosatellite. [24] 5 wt%, which is over 3 times that of the isotropic composite with the same BN content. [25] ” Step deformation is the main mechanism of deformation and destruction of anisotropic composite materials upon impact. [26] The anisotropic composites damage evolution was characterized by Murakami-Ohno damage theory. [27] However, the structural response of shear walls reinforced with non-isotropic composite material nets, bonded with relatively low-strength and non-elastic mortar matrices is difficult to study with numerical models. [28] Due to extensive applications in engineering practice, analysis of heat transfer in three-dimensional anisotropic composites has remained to be an important research topic. [29] The widespread use of anisotropic composite dielectric coatings operating in the microwave range in various science-intensive areas has led to the search and selection of effective methods of radio wave nondestructive testing of their electrophysical parameters. [30] In this method, pure SH0 wave excitation was achieved using the adjustable angle beam transducers (ABT) in quasi-isotropic composite plates. [31] In what follows, we develop a coupled chemo-mechanical model to predict the oxidation response of this highly anisotropic composite material, based on an earlier developed multiphysics theory of bulk polymer’s oxidation. [32] Modern technology shows increased demands on the strength properties of machines, their parts, as well as various structures, reducing their weight, volume and size, which leads to the need to use anisotropic composite materials. [33]

low velocity impact

A series of drop tower low-velocity impact tests were performed on quasi-isotropic composite plates. [1] Quasi-isotropic composite laminates were subjected to low-velocity impact energy ranging from 2J to 4. [2] In order to elucidate the hygroscopic effects on impact-resistance of carbon fiber/epoxy quasi-isotropic composite plates, low-velocity impact tests are conducted on dry and hygroscopically conditioned plates, respectively, under identical configurations. [3]

Transversely Isotropic Composite

The object of the research was a unidirectional transversely isotropic composite with a two-phase polydisperse structure - a piezo actuator cell and fragments of polydisperse fibrous structures. [1] When both the matrix and the fibers are isotropic, for the 2D fiber distributions at least three direction arrangements of fibers are needed to build the fiber-reinforced transversely isotropic composite materials, and for the 3D fiber distributions at least six direction arrangements are needed to build the fiber-reinforced isotropic composite materials. [2] This paper develops a micropolar constitutive model for a transversely isotropic composite material comprised of a polymer matrix and unidirectional fibers. [3] In this paper, the strength and deformation behavior of transversely isotropic composite rock-like material, which consists of a hard rock-like material and a weak rock-like material, are first investigated under different confining pressures by using a rock triaxial testing system. [4] Failure initiation is predicted with state of the art failure criteria for transversely isotropic composite materials. [5] To illustrate the new constitutive equations, strain energy density functions in terms of the distortion tensor are provided for unconstrained and incompressible isotropic materials, incompressible transversely isotropic composite materials, and incompressible orthotropic composite materials with two families of fibers. [6] A discrete element (DE) model is developed to simulate, with low computational effort, the propagation of solitary waves in a linear array of spherical particles as well as their interaction with a transversely isotropic composite beam. [7]

isotropic composite material

For anisotropic composite material cases, directivity plots can be extracted, containing the phase-velocities, group velocities, and slowness curves. [1] The paper shows the results of research on the stress-strain behavior of anisotropic composite materials in the structures of wood-metal slide bearings. [2] This opens up prospects for the use of anisotropic composite materials to ensure the thermal regime of the nanosatellite. [3] ” Step deformation is the main mechanism of deformation and destruction of anisotropic composite materials upon impact. [4] However, the structural response of shear walls reinforced with non-isotropic composite material nets, bonded with relatively low-strength and non-elastic mortar matrices is difficult to study with numerical models. [5] In what follows, we develop a coupled chemo-mechanical model to predict the oxidation response of this highly anisotropic composite material, based on an earlier developed multiphysics theory of bulk polymer’s oxidation. [6] Modern technology shows increased demands on the strength properties of machines, their parts, as well as various structures, reducing their weight, volume and size, which leads to the need to use anisotropic composite materials. [7] Technique of determination of permissible compressive stresses in products made of anisotropic composite materials with holes in joints “parent sheet - stiffening element” is introduced. [8] The modified representations are used to derive closed-form expressions for the local elastic fields and effective moduli of a macroscopically isotropic composite materials containing spherical and circular inhomogeneities with the interfaces described by the complete Gurtin-Murdoch and Steigmann-Ogden models. [9] However, bone is an anisotropic composite material made by mineral, proteins and water assembled in a hierarchical structure. [10] When both the matrix and the fibers are isotropic, for the 2D fiber distributions at least three direction arrangements of fibers are needed to build the fiber-reinforced transversely isotropic composite materials, and for the 3D fiber distributions at least six direction arrangements are needed to build the fiber-reinforced isotropic composite materials. [11] This paper develops a micropolar constitutive model for a transversely isotropic composite material comprised of a polymer matrix and unidirectional fibers. [12] For enhancing the chatter stability, using anisotropic composite materials in the preparation of boring bars proves to be an effective method so as to enhance the boring bar’s natural frequency and damping. [13] In many aerospace and mechanical applications, wings and rotor blades present complex geometric shapes and are made of advanced, highly anisotropic composite materials. [14] Anisotropic composite materials can be divided into three different fiber reinforcements, namely synthetic, natural, and hybrid fibers. [15] The effect of components of the thermal conductivity tensor of heat-protection material on heat fluxes from the gas to the body were studied based on the first obtained analytical solution of the problem of heat transfer in anisotropic composite material in conditions of a convective-conductive heat transfer flow around by a high-temperature gasdynamic boundary layer. [16] The applicability of both methods was further proven by analyzing the isotropic composite materials, a process involving the use of iron particles embedded in a dielectric matrix. [17] Failure initiation is predicted with state of the art failure criteria for transversely isotropic composite materials. [18] To illustrate the new constitutive equations, strain energy density functions in terms of the distortion tensor are provided for unconstrained and incompressible isotropic materials, incompressible transversely isotropic composite materials, and incompressible orthotropic composite materials with two families of fibers. [19] This paper presents a topology optimization method which is capable of designing both topology and orientation distribution of anisotropic composite material simultaneously. [20] This paper presents a fast numerical approach to optimize the localization of induced power in highly anisotropic composite materials with a large scale factor. [21] Design rules were developed for the optimization of anisotropic composite materials. [22]

isotropic composite laminate

This approach is finally validated through modal analysis of various anisotropic composite laminates. [1] The compression failure behaviors of CCF300/5228A quasi-isotropic composite laminates with prefabricated surface cracks were studied experimentally. [2] 7 mm, and compared it with the behavior of continuous fiber quasi-isotropic composite laminate with a similar plate thickness. [3] Quasi-isotropic composite laminates were subjected to low-velocity impact energy ranging from 2J to 4. [4] In this paper, numerical model based on continuum damage mechanics is presented to predict the damage behavior in quasi-isotropic composite laminates under low-velocity impact conditions. [5] This research presents a numerical method to analyze the propagation characteristics of guided waves in multi-layered anisotropic composite laminates. [6] The paper deals with the determination of effective material parameters of anisotropic composite laminate structures using ultrasonic surface acoustic waves. [7]

isotropic composite plate

A series of drop tower low-velocity impact tests were performed on quasi-isotropic composite plates. [1] In this work, we studied the scattering behavior of an incident A0 guided wave mode propagating towards an impacted damaged zone created within a quasi-isotropic composite plate. [2] In this method, pure SH0 wave excitation was achieved using the adjustable angle beam transducers (ABT) in quasi-isotropic composite plates. [3] In order to elucidate the hygroscopic effects on impact-resistance of carbon fiber/epoxy quasi-isotropic composite plates, low-velocity impact tests are conducted on dry and hygroscopically conditioned plates, respectively, under identical configurations. [4] Due to wide application of anisotropic composite plates in modern engineering structures and they were studied rare in literature, the main goal of this work is to study dynamic stability analysis of general anisotropic composite plates. [5] It is thus proposed in this paper to investigate strategies for the spatial integration of common baseline-free methods (namely BI and RR) on an experimental case of damage on a highly anisotropic composite plate. [6] Experiments were conducted on cross-ply and quasi-isotropic composite plates with identical boundary conditions. [7]

isotropic composite film

Anisotropic composite films of polyaniline (PANI) with single-walled carbon nanotube (SWCNT) were prepared by in-situ electro-polymerization on highly oriented high density polyethylene (HDPE) films. [1] Further, anisotropic composite films exhibited in-plane thermal conductivity as high as ∼3. [2] This facile strategy should be applicable to other natural or synthetic polymers to fabricate anisotropic composite films with potential applications as optical devices, sensors, and actuators. [3] The influence of organoclays on the mechanical properties and drawability of these isotropic composite films was investigated. [4]

isotropic composite beam

New analytical solutions for the static deflection of anisotropic composite beams resting on variable stiffness elastic foundations are obtained by the means of the Homotopy Analysis Method (HAM). [1] In this paper, some analytical results via extended Galerkin method on free vibration characteristics of an anisotropic composite beam, which is modeled as a nonuniform thin-walled structure with a chordwise asymmetric closed cross-section and corrected the warping functions, are newly presented. [2] A discrete element (DE) model is developed to simulate, with low computational effort, the propagation of solitary waves in a linear array of spherical particles as well as their interaction with a transversely isotropic composite beam. [3]

isotropic composite structure

This study presents a methodology to optimize an anisotropic composite structure, comprising in performing cross-section optimization of a topologically-optimized structure through an evolutionary optimization using a genetic algorithm (GA). [1] Wave propagation characteristics in both isotropic and anisotropic composite structures can also be studied. [2]

isotropic composite foam

Herein, a series of bio-based anisotropic composite foams were fabricated from oil-in-water (o/w) high internal phase Pickering emulsions (Pickering HIPEs) stabilized by both bio-based poly (urethane-acrylate) (PUA) and poly (cyclotriphosphazene-co-4,4ʹ-sulfonyldiphenol) (PZS) particles. [1] Afterwards, PMOPZ was integrated with CNF to design an anisotropic composite foam via the unidirectional freeze-drying method. [2]

isotropic composite cylinder

Such a problem has relevance to several problems of technological significance, for example blood vessels can be idealized as finite anisotropic composite cylinders. [1] Such a problem has relevance to several problems of technological significance, for example blood vessels can be idealized as finite anisotropic composite cylinders. [2]

isotropic composite dielectric

The widespread use of anisotropic composite dielectric coatings operating in the microwave range in various science-intensive areas has led to the search and selection of effective methods for radio wave nondestructive testing of their electrophysical parameters. [1] The widespread use of anisotropic composite dielectric coatings operating in the microwave range in various science-intensive areas has led to the search and selection of effective methods of radio wave nondestructive testing of their electrophysical parameters. [2]