Mechanics of solid
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An improved six-node triangular finite element based on a twice-interpolation strategy (TIS) for accurately modeling singular stress fields near crack tips of two-dimensional (2D) cracks in solids is presented. In contrast to the traditional approaches, the approximation functions constructed based on the TIS involve both nodal values and averaged nodal gradients.
9p vidoctorstrange 06-05-2023 5 2 Download
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The objectives of the thesis: The thesis has developed a technique by combining the equivalent linearization method and the weighted averaging value to analyze the responses of some undamped free nonlinear vibrations.
31p extraenglish 24-05-2021 13 3 Download
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The thesis has developeda technique by combining the equivalent linearization method and the weighted averagingvalueto analyze the responses of some undamped free nonlinear vibrations.
31p capheviahe29 17-03-2021 27 3 Download
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To study relation of molecular structural changing between polypropylene microcomposite system and the particle fillers with varies phase interactions by using solid-state NMR(ssNMR) spectra.Therein,emphasizing the molecular flexibility on mechanical properties of materials.
22p capheviahe27 23-02-2021 7 1 Download
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Building approximation formulas using equivalentinclusion method to determine the effective values of the conductivity, the elastic modulus of compound-inclusion composite materials and applying numerical methods using finite elements (FE) calculated for some specific material models.
27p capheviahe26 25-01-2021 14 3 Download
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The simulation finds a large number of vacancy-simplexes, which plays a role of diffusion vehicle for cobalt atom and varies with relaxation degree. A new diffusion mechanism for tracer diffusivity in cobalt amorphous solid is supposed as follows: The elemental atomic movement includes a jump of neighbouring atoms into the vacancy-simplexes and then collective displacement of a large number of atoms.
9p larachdumlanat127 20-12-2020 14 3 Download
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This study aims to understand the uncertainty about the optimum or best pin position (Dp) for friction stir lap welding (FSLW) of Al-Cu. Tensile shear testing is used to determine the Mechanical strength of FSL welds under static loading.
12p tohitohi 19-05-2020 9 2 Download
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The concept of a deformable body point is taken in the form of a continuum point and an elementary volume connected with it. The continuum point determines the spatial position of the deformable body point, and the elementary volume is the carrier of its material properties and stress-strain state characteristics.
18p tohitohi 19-05-2020 10 1 Download
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This study synthesizes the use of chemicals to prevent one of common concrete durability problems, alkali-silica reaction (ASR), and can help researchers (i) identify widely used potential chemicals and evaluate these chemical solutions to prevent ASR with proper understanding of mechanisms, and (ii) to identify the research gaps in order to develop guidelines and implementation plan on the use of these chemicals for future research.
8p tohitohi 19-05-2020 18 1 Download
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In this paper, butt joining of Al5083 to commercially pure copper is investigated by friction stir welding method. The effects of transverse welding speed of the tool on the mechanical properties and microstructure of the joint were studied, experimentally.
8p tohitohi 19-05-2020 12 2 Download
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This thesis aims to develop finite element models for studying vibration of the 2D-FGM beam. These models require high reliability, good convergence speed and be able to evaluate the influence of material parameters, geometric parameters as well as being able to simulate the effect of shear deformation on vibration characteristics and dynamic responses of the 2D-FGM beam.
27p xacxuoc4321 08-07-2019 49 8 Download
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Document "Mechanical properties of solid polymer" presentation of content: Ideal Solids, tensile properties, shear properties, compressive properties, hardness, impact strength, coefficient of friction.
22p phamvanphat1891995 04-03-2016 49 1 Download
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Properties of materials, classes of materials used in medicine,... As the main contents of the lectures "Biomaterials". Invite you to consult for additional documents for the academic needs and research.
21p thangdambme 23-10-2015 44 2 Download
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In recent several years there were publications of arsenic contamination in groundwater. This event actuated us to study and explain the mechanism of arsenic releasing into groundwater of aquifers under alluvial plains. Understanding of this mechanism could make clear of the relations between solid phase (arsenic-bearing material) and water phase (arsenic dissolvable) in earth crust layers.
5p uocvong04 24-09-2015 47 4 Download
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Formation of new blood vessels is required for the growth and metastasis of all solid tumors. New blood vessels are established in tumors mainly through angiogenesis. Brain tumors in particular are highly angiogenic. Therefore, interventions designed to prevent angiogenesis may be effective at controlling brain tumors.
12p vinaphone15 25-02-2013 48 3 Download
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What is “Mechanics of Materials” (SBVL laø gì) ? Mechanics of Materials is a branch of Applied Mechanics that deals with the behaviour of solid bodies subj. to various types of loading Other names: Strength of Materials. Mechanics of Deformable Bodies.
24p eng_hoangnghiem 29-10-2012 100 29 Download
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Fracture mechanics is the field of mechanics concerned with the study of the propagation of cracks in materials. It uses methods of analytical solid mechanics to calculate the driving force on a crack and those of experimental solid mechanics to characterize the material's resistance to fracture.In modern materials science, fracture mechanics is an important tool in improving the mechanical performance of materials and components.
56p beobobeo 01-08-2012 93 12 Download
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Collection of research reports best university in 2007 honored the author: 12. Truong Van Nam, Nguyen Xuan Dung, study the effect of substituents on the properties of aniline by approximate methods AM1 quantum ... Quantum mechanics is one of the fundamental theory of physics. Quantum mechanics is an extension and supplement of Newtonian mechanics (also known as classical mechanics). It is the basis of many other disciplines of physics and chemistry as solid state physics, chemistry quantum particle physics.
6p phalinh14 07-08-2011 79 2 Download
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This is an advanced course on modeling, design, integration and best practices for use of machine elements such as bearings, springs, gears, cams and mechanisms. Modeling and analysis of these elements is based upon extensive application of physics, mathematics and core mechanical engineering principles (solid mechanics, fluid mechanics, manufacturing, estimation, computer simulation, etc.).
44p phungvanhau 04-04-2011 203 49 Download
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Tài liệu về chất dẻo; các đặc tính cơ lý khi ở thể rắn, khi nóng chảy, và ứng dụng vào quá trình tạo khuôn, đúc.. Preface 1. Mechanical Properties of Solid Polymers 2. Thermal Properties of Solid and Molten Polymers 3. Transport Properties of Molten Polymers
8p gobanphim 18-01-2011 85 17 Download