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Eduard Ziganshin, Danis Nourgaliev, Irina Bayuk, Rail Kadyrov and Thanh Hung Nguyen
Carbonate rocks have a wide variety of pore shapes and different types of grains, which greatly affect the elastic properties and characteristics of the reservoir. This causes certain difficulties in petroelastic modeling. One of the problems is the scal...
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Irina Berezina and Irina Bayuk
This study is focused on the analysis of pore space connectivity in reservoir rocks. This parameter is of vital importance for the oil and gas industry since it controls hydraulic permeability. Five methods of rock physics are used for this goal. Three o...
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Monica Tapia, Y. Espinosa-Almeyda, R. Rodríguez-Ramos and José A. Otero
A three-dimensional semi-analytical finite element method (SAFEM-3D) is implemented in this work to calculate the effective properties of periodic elastic-reinforced nanocomposites. Different inclusions are also considered, such as discs, ellipsoidals, s...
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Nitesh Kumar, Ananda Babu, Alok Kumar Das and Ashish Kumar Srivastava
This paper presents an evaluation of the mechanical properties of nanocomposites when a lower concentration of nanoparticles graphene and ceramics are mixed with epoxy to determine the damping and stability characteristics of hybrid epoxy, using vibratio...
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Evgeny Glushkov, Natalia Glushkova, Bernard Bonello, Lu Lu, Eric Charron, Noëlle Gogneau, François Julien, Maria Tchernycheva and Olga Boyko
In this paper we demonstrate a high potential of transient grating method to study the behavior of surface acoustic waves in nanowires-based composite structures. The investigation of dispersion curves is done by adjusting the calculated dispersion curve...
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Kuniyuki Miyazaki, Norio Tenma, Kazuo Aoki and Tsutomu Yamaguchi
A constitutive model for marine sediments containing natural gas hydrate is essential for the simulation of the geomechanical response to gas extraction from a gas-hydrate reservoir. In this study, the triaxial compressive properties of artificial methan...
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Byoung Hooi Cho, Moon Won and Boo Hyun Nam
A procedure for determining the optimized composition of layer properties for a continuously reinforced concrete pavement (CRCP) system was constructed using field tests, finite element (FE) analysis, and regression analysis methods. The field support ch...
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Valerii Mykhaylov,Olga Samokhvalova,Zinoviya Kucheruk,Kateryna Kasabova,Olga Simakova,Iuliia Goriainova,Alla Rogovaya,Inna Choni
Pág. 23 - 32
The formation of a structure of certain dietary bakery products and flour confectionery products made without wheat flour is difficult due to the absence of gluten. There is a constant search for effective structure-forming agents to replace gluten prote...
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Myeong-Seok Go, Shin-Mu Park, Do-Won Kim, Do-Soon Hwang and Jae Hyuk Lim
In this work, we generated a set of random representative volume elements (RVEs) of unidirectional composites considering actual noncircular cross-sections and positions of fibers with the aid of a shape-library approach. The cross-section of the noncirc...
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Zaid Abdulhamid Alhulaybi, Muhammad Ali Martuza and Sayeed Rushd
Polylactic acid (PLA), the second most produced biopolymer, was selected for the fabrication of mixed-matrix membranes (MMMs) via the incorporation of HKUST-1 metal?organic framework (MOF) particles into a PLA matrix with the aim of improving mechanical ...
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Mourad Khelifa, Amar Khennane and Marc Oudjene
The rehabilitation of steel structures with Fibre Reinforced Polymers (FRP?s) may appear less effective because they can be bolted or welded with steel plates that display the same mechanical properties. However, this technique has some unwanted conseque...
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Giuseppe Catania and Matteo Strozzi
The damping behaviour of multi-layer composite mechanical components, shown by recent research and application papers, is analyzed. A local dissipation mechanism, acting at the interface between any two different layers of the composite component, is tak...
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Ziqiang Hu, Lei Wei, Lin Yang, Yansong Wang and Yuanpeng Fan
Structural vibration has always been a major concern in the engineering field. A dynamic vibration absorber in the form of contacts with adjustable stiffness (CDVA) offers effective vibration suppression and can improve conventional dynamic vibration abs...
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Yu Yang, Changhao Xin, Yidan Sun, Junzhen Di and Pengfei Liang
Incomplete data indicate that coal gangue is accumulated in China, with over 2000 gangue hills covering an area exceeding 200,000 mu and an annual growth rate surpassing 800 million tons. This accumulation not only signifies a substantial waste of resour...
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Mohd. Ahmed, Devinder Singh, Saeed AlQadhi and Nabil Ben Kahla
The displacement and stress-based error estimates in a posteriori error recovery of compressible and nearly-incompressible elastic finite element solutions is investigated in the present study. The errors in the finite element solutions, i.e., in displac...
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Sena Tayfur and Ninel Alver
In heterogeneous materials such as concrete, deterioration of the elastic wave?which acoustic emission technique (AET) is based on?is one of the research objects in the field. While many studies reveal that the wave is deteriorated due to the concrete co...
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Danko Coric and Irena ?mak
In order to develop the application of the more cost-effective copper-based shape memory alloys (SMAs), rather than nickel?titanium as earthquake energy dissipaters, the influence of ausforming-induced plastic deformation on phase transformations, micros...
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Eugene OBrien, Muhammad Arslan Khan, Daniel Patrick McCrum and Ale? ?nidaric
This paper develops a novel method of bridge damage detection using statistical analysis of data from an acceleration-based bridge weigh-in-motion (BWIM) system. Bridge dynamic analysis using a vehicle-bridge interaction model is carried out to obtain br...
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Svetlana Andreeva,Marina Kolesnikova,Yevgen Pyvovarov,Tetyana Khaustova,Aliona Dikhtyar
Pág. 66 - 73
We have defined reference indicators for the consistency of sweet sauces depending on the content of starches, which has become a prerequisite for the development of a formulation for sweet sauces using physically-modified starches.The influence of formu...
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Nikhil Saboo, Praveen Kumar
Pág. 98 - 106
Increase in traffic, new axle configurations and high temperature, demands the use of modified binders for resisting the stresses induced. The primary goal of modifier is to increase the stiffness at high temperature while maintaining its flexibility at ...
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