Mechanical design
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This research has raised the question of whether the vibration transmission at a wall junction depends on how the wall is excited (by either a sound wave or a mechanical shaker). The aim of this research is to investigate this question and hence contribute to the revision of the series of standards. Villot and Guigou-Carter (2000) have considered this problem but their equations (10) and (13) appear to be in error. This research will endeavour to derive the correct equations and r epeat Villot and Guigou Carter’s calculations.
162p runthenight05 01-03-2023 6 2 Download
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3D animation software is extensively used to create graphics for special effects sequences in live-action films, in animated feature film production and for the generation of computer games and virtual reality content. It is a commonly held view within the computer graphics community that 3D animation software is ―just another tool‖ for self-expression. This research questions that view by examining the inherent nature of the tool itself. In doing so, some of the philosophical assumptions embedded in the design of the new digital tool are revealed.
99p runthenight05 01-03-2023 6 2 Download
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The aim of this project was to design, fabricate and characterise multifunctional structural composites incorporating phase change materials for thermal management applications. The specific research objectives to achieve this goal were formulated as follows: Investigate effective methods to integrate microencapsulated PCMs into glass fibrereinforced epoxy composites; Evaluate the mechanical properties of micro-PCMs enhanced FRP composites and investigate associated failure mechanisms; Study the thermal management effectiveness of micro-PCMs enhanced FRP composites.
125p runthenight04 02-02-2023 6 2 Download
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The thesis consists of five chapters which aim to investigate the mechanical properties and fabricating processes of different biomedical Ti scaffolds, with the structure presented: Chapter 1 is a generalized introduction to the content of the thesis, including the background, scopes and objectives of the research. In Chapter 2, a comprehensive literature review is presented. Chapter 3 presents the design and fabrication of the Ti scaffolds. In Chapter 4, the mechanical properties of the fabricated Ti scaffolds were analyzed.
109p runthenight04 02-02-2023 5 3 Download
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The aim of the work "Stochastic service life prediction of RC girders subjected to chloride induced corrosion – Shear limit state" presented in this thesis is service life prediction of corroded reinforced concrete girders, which forms an important part of durability design. The scope of this work is limited to shear limit state considering the chloride induced corrosion of reinforcement as the degradation mechanism. The review of literature shows that the service life estimation of reinforced concrete bridges exposed to marine environment is an active area of research.
288p runordie3 06-07-2022 19 2 Download
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Thermostable and highly water-soluble polymers are essential for polymer flooding — one of the most effective methods used in the enhanced oil recovery (EOR) in hightemperature (HT) offshore reservoirs. In this research, the copolymerization reaction of acrylamide (AM) and N-vinylpyrrolidone (NVP) monomers were performed via a freeradical mechanism induced by gamma-rays (γ-rays) irradiation.
79p viabigailjohnson 10-06-2022 11 3 Download
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This work presents results from a numerical investigation on the influence of fluid-structure interaction (FSI) on the dynamic response of thin steel plates subjected to blast loading. The loading was generated by a shock tube test facility designed to expose structures to blast-like loading conditions. The steel plates had an exposed area of 0.3 m × 0.3 m and experienced large deformations during the tests.
17p guernsey 28-12-2021 9 1 Download
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In this thesis, we propose a mathematical model to improve the hull form of a container ship in the preliminary design stage, aiming to reduce the ship's resistance concerning constraints of Vietnam's river-sea route.
39p closefriend09 16-11-2021 19 3 Download
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Objectives of the dissertation: Structured design of coxib - combretastatin hybrid compounds. Synthesize coxib - combretastatin hybrid compounds. Screening for anti-cancer and anti-inflammatory activities of hybrid compounds. Identifying anti-inflammatory and anti-cancer mechanisms of hybrid compounds. Docking of a hybrid coxib - combretastatin compound with two purpose effect COX2 and tubulin.
27p extraenglish 24-05-2021 8 3 Download
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Objective: This dissertation explores the influence of pectoral fin structures at different swimming modes on a robotic fish's locomotion behavior; Some objectives are addressed to achieve the mentioned aim as follows: Firstly, new designs based on bio-inspired pectoral fin types are constructed. Secondly, to describe fin deformation and body part movement, novel dynamically mathematical models are developed.
28p extraenglish 26-05-2021 25 5 Download
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In Vietnam, lotus plants are widely grown. Some parts of the lotus plant have been used as a tradition medicine. The lotus plant is easy to find, inexpensive, non-toxic and accepted by many Vietnamese people as a means of treating diabetes, and yet data on the mechanism or even effectiveness of lotus leaf on diabetes mellitus was not known. The present study was designed to evaluate the hypoglycemic effect of lotus leaf on mice which had alloxan induced diabetes.
10p tamynhan8 04-11-2020 16 3 Download
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The need to develop a highly stable suspension system capable of operating in multi terrain surfaces while keeping all the wheels in contact with the ground. To design a mechanism that can traverse terrains where the left and right rockers individually climb different obstacles.
6p lucastanguyen 01-06-2020 16 1 Download
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Mechanic solicitations induced by neutron and photon interactions have to be featured for components lifespan determination. TechnicAtome is in charge of both the design and building on behalf of CEA of the 100 MW Jules Horowitz Reactor (JHR). This modular Material Testing Reactor is under construction in southern France, with radioisotope production and material testing capabilities.
8p christabelhuynh 29-05-2020 9 0 Download
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The final goal of the work is to provide useful recommendations and guidelines for the design of a cold plug for the emergency draining system of a molten salt reactor. Some numerical thermal simulations were performed with ANSYS mechanical (Finite Element Method) to be compared with results of the experiments and to make extrapolations for a new component to be used in a reactor.
12p christabelhuynh 29-05-2020 34 3 Download
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When a satellite is in orbit, micro vibration generated by its actuators (such as reaction wheels, deployable mechanisms, etc.) will affect the imaging quality of the camera. Viscoelastic materials are utilized as passive isolators to reduce these micro vibrations due to their simple construction and excellent energy dissipation capacity.
8p tohitohi 19-05-2020 14 0 Download
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Simulation and visualization of the mechanical components have become a predominant phase during the design and the production stages. Several means are used to improve the design and to reduce study time.
8p tohitohi 19-05-2020 17 2 Download
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The battery packs are one of the most vulnerable parts of satellites for damages induced by vibration and shock during launch process. This is due to their considerable weight which increases their susceptibility for structural damage and short connection.
6p tohitohi 19-05-2020 15 1 Download
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Cutouts are commonly used as access port for mechanical and electrical structures. Most of the tructures generally work under severe dynamic loading and different constrained conditions during their service life. This may lead to vibration of the structure.
8p tohitohi 19-05-2020 13 2 Download
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Anthropomorphic mechanical design and Lyapunov-based control of a new shoulder rehabilitation system
Stroke is one of the main causes of disability. It affects millions of people worldwide. One symptom of stroke is disabled arm function. Restoration of arm function is necessary to resuming activities of daily living (ADL).
12p tohitohi 19-05-2020 12 1 Download
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Purposes of the thesis: Propose physical mechanism to investigate metamaterial absorber operating in THz region. Design, simulation, and characterizations of MA in THz region. Optimize parameter structure to increase absorption and broaden operating wavelength region, modify operating wavelength by external factors.
27p xacxuoc4321 09-07-2019 30 4 Download