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Structural models
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This study proposes a constitutive mechanical law to model the behavior of the interface between a microcracked viscoelastic medium and an undamaged elastic body based on the homogenization method. The interface is modeled by a layer of zero thickness. The coupling between the homogenization technique and the Griffith’s theory is used to provide the effective behavior of the micro-cracked medium.
15p
vithomson
02-07-2024
2
0
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This study expands upon an existing one-dimensional model to develop an innovative two-dimensional numerical framework for simulating moisture propagation within wood. Utilizing the finite difference method, this approach offers a more detailed analysis of moisture behavior in wood structures.
15p
vithomson
02-07-2024
0
0
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Part 2 book "Nitrogen fixation - Methods and protocols" includes content: X-Ray crystallography; X-ray absorption spectroscopy, small angle X-ray scattering spectroscopy; electron paramagnetic resonance spectroscopy; magnetic circular dichroism spectroscopy; mössbauer spectroscopy; nitrogenase structure and function relationships by density functional theory; modeling the mofe nitrogenase system with broken symmetry density functional theory.
182p
dianmotminh04
12-07-2024
0
0
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Part 1 of ebook "Dynamic deformation, damage and fracture in composite materials and structures" provides readers with contents including: Chapter 1 - Introduction; Chapter 2 - Damage tolerance of composite structures under low-velocity impact; Chapter 3 - Damage in laminates from low-velocity impacts; Chapter 4 - Multiscale modeling of delamination damage in laminated structures; Chapter 5 - Low-velocity impact of composite laminates, damage evolution; Chapter 6 - Low-velocity impact on laminates; Chapter 7 - High-velocity impact damage in CFRP laminates; Chapter 8 - Dynamic damage in FRPs...
304p
tuongmothua
11-07-2024
2
0
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In recent times, the phase field method is a robust simulation tool that can predict crack formation and propagation in structures. In brittle and quasi-brittle materials, the strain tensor is decomposed into negative and positive parts corresponding to the compression and tension behaviors when the structure is loaded.
14p
viwalton
02-07-2024
1
1
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In present work, we present a framework of the topology optimization combined with the phase-field modelling with/ without interfacial damage for optimizing the damage resistance of the inclusion-matrix composites.
17p
viwalton
02-07-2024
1
1
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The present work deal with the propagation of a horizontally polarised shear (SH) wave in an infinitely long cylindrical structure comprised of three concentric isotropic layered media. The model has been formulated in cylindrical co-ordinates and an analytical approach is employed to achieve the closed form of the dispersion equation.
3p
viwalton
02-07-2024
2
2
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Although papillary thyroid cancer (PTC) patients are known to have an excellent prognosis, up to 30% of patients experience disease recurrence after initial treatment. Accurately predicting disease prognosis remains a challenge given that the predictive value of several predictors remains controversial.
12p
vishanshan
27-06-2024
2
1
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Part 2 of ebook "Creep and hygrothermal effects in concrete structures" provides readers with contents including: Chapter 9 - Solidification theory for aging effect on stiffness and basic creep; Chapter 10 - Microprestress-solidification theory and creep at variable humidity and temperature; Chapter 11 - Physical and statistical justifications of models B3 and B4 and comparisons to other models; Chapter 12 - Effect of cracking and fracture mechanics aspects of creep and shrinkage analysis; Chapter 13 - Temperature effect on water diffusion, hydration rate, creep and shrinkage;...
509p
mothoiphong
28-06-2024
2
1
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Part 1 of ebook "Dynamic stability of suddenly loaded structures" provides readers with contents including: concepts and criteria; introduction and fundamental concepts; simple mechanical models; dynamic stability under constant load of finite duration; the influence of static preloading;...
98p
mothoiphong
28-06-2024
1
1
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The transition of patients between care contexts poses patient safety risks. Discharges to home from inpatient care can be associated with adverse patient outcomes. Quality in discharge processes is essential in ensuring safe transitions for patients.
10p
vishanshan
27-06-2024
1
1
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Part 1 of ebook "CONCREEP 10: Mechanics and physics of creep, shrinkage, and durability of concrete and concrete structures" provides readers with contents including: interaction of concrete creep, shrinkage and swelling with water, hydration, and damage, nano-macro-chemo; shrinkage due to colloidal force interactions; influence of aggregate restraint on volume changes, experiments and modelling; aging and deterioration of concrete structures, learning from the past, assessing the present, and predicting the future; science or magic; the meso-scale texture of cement hydrate gels, out-of-equ...
803p
mothoiphong
28-06-2024
2
1
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Part 2 of ebook "CONCREEP 10: Mechanics and physics of creep, shrinkage, and durability of concrete and concrete structures" provides readers with contents including: steel corrosion in reinforced concrete mechanisms, assessment, measures, and forecast models; cracking behaviors caused by the corrosion of reinforcing bars in rc columns; evaluating the performance of recycled aggregate concrete; nanotechnology applied to concrete; towards the next generation of standards for the service life of cement-based materials and structures mini-symposium of COST action TU1404; microstructure and mic...
831p
mothoiphong
28-06-2024
1
1
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Ebook "The drivers of wearable device usage: Practice and perspectives" collects multiple research articles studying the factors influencing wearable device usage. Based on multiple empirical studies, which research different kinds of wearable devices such as smart-watches, activity trackers, and smart-glasses, potential drivers of wearable device usage are identified and evaluated.
71p
giangmacvien
22-06-2024
3
1
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Colon cancer (CC) is a malignancy associated with significant morbidity and mortality within the gastrointestinal tract. Recurrence and metastasis are the main factors affecting the prognosis of CC patients undergoing radical surgery; consequently, we attempted to determine the impact of immunity-related genes.
14p
vikoch
27-06-2024
2
1
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Part 2 of ebook "The finite element method for solid and structural mechanics (Seventh edition)" provides readers with contents including: Chapter 10 - Background mathematics and linear shell theory; Chapter 11 - Differential geometry and calculus on manifolds; Chapter 12 - Geometrically nonlinear problems in continuum mechanics; Chapter 13 - A nonlinear geometrically exact rod model; Chapter 14 - A nonlinear geometrically exact shell model; Chapter 15 - Computer procedures for finite element analysis; Appendix A - Isoparametric finite element approximations; Appendix B - Invariants of seco...
322p
giangmacvien
21-06-2024
0
0
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In this article, we propose a generative model based on the adversarial network structure to enhance images for the RAD-DAR multi-target dataset. The results of comparisons and evaluations indicate that the images generated by the proposed method exhibit a high degree of similarity to the original images.
7p
visergeyne
18-06-2024
2
0
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The effect of additions of two series of SnO2 nanoparticles synthesized using two different methods on crystal structure and superconductivity of Bi1.6Pb0.4Sr2Ca2Cu3O10+δ (BPSCCO) superconductors was investigated. Two series of spherical SnO2 nanoparticles were synthesized independently by using ultra-sonication (US-SnO2) and hydrothermal (HT-SnO2) methods.
9p
viambani
18-06-2024
1
1
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The purpose of this study is to evaluate the effects of university social responsibility (USR) on brand equity in the context of private universities in Ho Chi Minh city, Vietnam. The quantitative data set was collected from 167 students in private higher education institutions located in Ho Chi Minh city. Partial least squares structural equation modeling (PLS-SEM) was used to analyse the measurement model and test proposed hypotheses in this study.
12p
leminhvu111
07-06-2024
2
0
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This study employs the Stimulus-Organism-Response theory in consumer behavior research to investigate the decision-making process of consumers regarding Buy Now, Pay Later (BNPL) services. Data from 348 university student questionnaires were analyzed using Partial Least Squares Structural Equation Modeling (PLS-SEM). The findings highlight the significantly mediating roles of emotion and cognition in shaping trust during the pre-purchase process, ultimately influencing consumers’ intentions to adopt BNPL services.
12p
leminhvu111
07-06-2024
1
0
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