Tunable Photocontrolled Motions Using Stored Strain Energy in Malleable Azobenzene Liquid Crystalline Polymer Actuators.
Sign Up to like & getrecommendations! Published in 2017 at "Advanced materials"
DOI: 10.1002/adma.201606467
Abstract: A new strategy for enhancing the photoinduced mechanical force is demonstrated using a reprocessable azobenzene-containing liquid crystalline network (LCN). The basic idea is to store mechanical strain energy in the polymer beforehand so that UV… read more here.
Keywords: energy; polymer; strain energy; mechanical force ... See more keywords
Extension of the enhanced assumed strain method based on the structure of polyconvex strain‐energy functions
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DOI: 10.1002/nme.6284
Abstract: In this work, two well‐known approaches for mixed finite elements are combined to render three novel classes of elements. First, the widely used enhanced assumed strain (EAS) method is considered. Its key idea is to… read more here.
Keywords: polyconvex strain; energy functions; enhanced assumed; strain ... See more keywords
Structural damage detection using convolutional neural networks combining strain energy and dynamic response
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DOI: 10.1007/s11012-019-01052-w
Abstract: Based on the classification ability of a convolutional neural network (CNN), this paper proposes a structural damage detection method in which a CNN is used to classify the location and level of damage in a… read more here.
Keywords: damage detection; structural damage; strain energy; damage ... See more keywords
An Expanded Martensite Variant Selection Theory Accounting for Transformation Rotations and Applied Stress Fields: Predictions of Variant Clusters in Titanium
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DOI: 10.1007/s11837-020-04327-w
Abstract: An expanded strain energy-based criterion for predicting preferred martensite variants and multivariant clusters is developed and verified. Building upon previous inclusion-based formulations that considered only the strain energy of lattice stretches, here the authors also… read more here.
Keywords: energy; strain energy; transformation; titanium ... See more keywords
Effective properties of composite material based on total strain energy equivalence
Sign Up to like & getrecommendations! Published in 2019 at "Composites Part B: Engineering"
DOI: 10.1016/j.compositesb.2018.11.094
Abstract: Abstract The main problem referred in the present research is how to correctly and efficiently predict the averaged effective properties of a composite on the example of an irregular particle-reinforced composite in which the distribution,… read more here.
Keywords: energy equivalence; properties composite; total strain; strain energy ... See more keywords
Determination of the strain-energy release rate of a composite laminate under high-rate tensile deformation in fibre direction
Sign Up to like & getrecommendations! Published in 2018 at "Composites Science and Technology"
DOI: 10.1016/j.compscitech.2018.05.034
Abstract: Abstract In order to successfully model design-critical impact loading events on laminated composite structures, the rate-dependency of the composite material has to be correctly reflected. In this context, the rate-dependency of the strain-energy release rate… read more here.
Keywords: energy release; release rate; strain energy; high rate ... See more keywords
On the study of element modal strain energy sensitivity for damage detection of functionally graded beams
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DOI: 10.1016/j.compstruct.2019.110989
Abstract: Abstract In this paper, a modeling framework based on element modal strain energy sensitivity is developed for identifying damage of functionally graded beams. The element damage equation set of functionally graded Euler-Bernoulli beam is established… read more here.
Keywords: functionally graded; element modal; damage; modal strain ... See more keywords
On the application of the volume free strain energy density method to blunt V-notches under mixed mode condition
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DOI: 10.1016/j.engstruct.2020.111716
Abstract: Abstract This work investigates the possibility to apply the strain energy density method, as regards blunt V-notches under mixed loading condition, through finite element models with a free mesh pattern. It is worth underlining that… read more here.
Keywords: volume; procedure; strain energy; method ... See more keywords
Discussion of “Numerical methods for evaluating the sensitivity of element modal strain energy” [Finite elements in analysis and design 64 (2013) 13–23]
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DOI: 10.1016/j.finel.2017.09.001
Abstract: Abstract The subject paper presents a variational approach for determining the sensitivity of element modal strain energy (MSE) [1] that differs from the direct algebraic method proposed by Yan and Ren [2]. The essential equivalence… read more here.
Keywords: sensitivity element; strain energy; sensitivity; modal strain ... See more keywords
A generalized strain energy density exhaustion model allowing for compressive hold effect
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DOI: 10.1016/j.ijfatigue.2017.07.008
Abstract: Abstract The aim of the present work is to propose a generalized strain energy density exhaustion model to predict the creep-fatigue lives. The oxidation damage, which is described by a correction factor representing the non-linear… read more here.
Keywords: generalized strain; hold; density exhaustion; strain energy ... See more keywords
On the definition of elastic strain energy density in fatigue modelling
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DOI: 10.1016/j.ijfatigue.2018.12.011
Abstract: Abstract In energy-based fatigue models, in addition to plastic strain energy density calculated from area inside hysteresis loop, positive elastic energy is usually considered. In current elastic energy definitions, mean stress effects in different loading… read more here.
Keywords: energy density; strain energy; strain; energy ... See more keywords