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Relevant bibliographies by topics / Directional friction / Dissertations / Theses

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Dissertations / Theses on the topic 'Directional friction'

Author: Grafiati

Published: 14 March 2023

Last updated: 31 July 2025

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1

Zhang, Cheng. "Robotic 3D friction stir welding : T-butt joint." Thesis, Högskolan Väst, Avd för automationssystem, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-8250.

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This Master Thesis was performed in terms of robotic three dimensional friction stir welding with T-butt joint. Friction stir welding (FSW) is a solid state welding method that achieves the weld temperature by friction of a rotating non-consumable tool with the workpiece. Science and technology fast developing requires for higher seam quality and more complex welding joint geometry like 3D welds. In order to acquire high productivity, capacity and flexibility with acceptable cost, robotic FSW solution have been proposed. Instead of the standard FSW machine, using a robot to perform complicated

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2

Gidoni, Paolo. "Two explorations in Dynamical Systems and Mechanics: avoiding cones conditions and higher dimensional twist. Directional friction in bio-inspired locomotion." Doctoral thesis, SISSA, 2016. http://hdl.handle.net/20.500.11767/4903.

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This thesis contains the work done by Paolo Gidoni during the doctorate programme in Matematical Analysis at SISSA, under the supervision of A. Fonda and A. DeSimone. The thesis is composed of two parts: "Avoiding cones conditions and higher dimensional twist" and "Directional friction in bio-inspired locomotion".

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3

Shields, Kelly J. "The Development of a Multi-Directional Wear Apparatus and the Characterization and Correlation of Biomechanical and Biotribological Properties of Bovine Articular Cartilage." VCU Scholars Compass, 2007. http://scholarscompass.vcu.edu/etd/1271.

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A multi-directional wear apparatus was developed to simulate the kinematic motion of diarthrodial joints. A comprehensive evaluation including biotribological and biomechanical characterization of articular surfaces was performed with concomitant translational and oscillating rotational motion similar to that experienced in vivo. Various system parameters were evaluated in the designed experiments including normal load magnitude (high/low), surface quality (defect/no defect), and wear pattern (with/without rotation). Biomechanical characterization was achieved through stress relaxation and dyn

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4

Barabanova, Liudmyla. "Frictional Anisotropy of Graphene and Graphene Based Materials." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1461941753.

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5

Elwood, David E. Y. "Hydraulic fracture experiments in a frictional material and approximations for maximum allowable mud pressure." Thesis, Kingston, Ont. : [s.n.], 2008. http://hdl.handle.net/1974/1343.

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6

Koubek, Radek, and Karolina Dedicova. "Friction of wood on steel." Thesis, Linnéuniversitetet, Institutionen för byggteknik (BY), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-35094.

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This thesis deals with the experimental description of friction between steel and wood materials, specifically laminated veneer lumber (LVL) and pine wood with two types of annual rings. It studies the influence of a number of different parameters on the coefficient of friction such as contact pressure, moisture content, fiber orientation in relation to the load direction, steel surface roughness, and horizontal load rate. First, the theoretical mechanical and physical properties as well as the coefficient of friction itself are described. This is followed by the description of the test setup

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7

Yegneswaran, Kamalesh Madhavan Vis. "Deviation between the sliding direction of the chip over the tool and the direction of the friction force in oblique cutting /." Diss., Click here for available full-text of this thesis, 2006. http://library.wichita.edu/digitallibrary/etd/2006/t043.pdf.

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Thesis (M.S.)--Wichita State University, Dept. of Industrial and Manufacturing Engineering.<br>"July 2006." Title from PDF title page (viewed on October 30, 2006). Thesis adviser: Vis Madhavan. Includes bibliographic references (leaves 65-67).

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8

Seo, Na Jin. "Biomechanical models of hand coupling for axial torque and push exertions effects of torque direction, hand-handle friction, and handle size on axial torque and push exertions for cylindrical handles." Saarbrücken VDM Verlag Dr. Müller, 2007. http://d-nb.info/991124189/04.

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9

Stránský, Jakub. "Optimalizace vybraných návrhových prvků ČSN pro projektování pozemních komunikací." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227496.

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The master‘s thesis focuses on the optimization of the design values of curves of the horizontal alignments of the roads. It deals with the comparison of values between czech and foreign standards and differences between them. The practical part examines the values of the real speeds of vehicles passing through the curves of various parameters that were measured during measurements of selected curves during 2014. From these data a new design values are derived that could be used for the design of horizontal alignments.

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10

Yang, Chen-tsung, and 楊振宗. "Simulation, Analysis and Applications of Direction-Optimized Friction Pendulum System." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/78686984471442649449.

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碩士<br>逢甲大學<br>土木工程所<br>95<br>After many years of study, base isolation technology has been proven to efficiently reduce the seismic responses and upgrades the earthquake-proof capability of the superstructure either from the theoretical studies or the experimental efforts. Hence it has recently been used widely in the new or existing structures all around the world today. However, the base-isolated structures are easily to produce larger responses by strong ground motions with long predominant periods of near fault earthquakes due to and make structure resonance. In order to overcome the drawb

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11

Tsai, Wei-chan, and 蔡維展. "Applications of Multiple Direction Optimized-Friction Pendulum System to Structures." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/69078423127033878700.

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碩士<br>逢甲大學<br>土木工程所<br>98<br>Multiple Direction Optimized Friction Pendulum System (MDO-FPS) is a kind of elastomeric-type base isolator. The friction coefficient, displacement capacity and radius of curvature of each sliding surface or intermediate sliding plate in each direction could be different. So the natural period and damping effect for a MDO-FPS isolator change continually during earthquakes. The MDO-FPS isolator also possesses an important characteristic in the natural period and damping effect that are a function of the directional angle of the sliding motion of the articulated slid

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12

Lin, Chung-Cheng, and 林中城. "Application of Direction Optimized - Friction Pendulum System to Motion Sensitive Equipment." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/82302344741196981526.

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13

-Lu, Chia, and 林家綠. "Simulation, Analysis and Applications of Multiple Direction Optimized- Friction Pendulum System." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/87094626899107636337.

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碩士<br>逢甲大學<br>土木工程所<br>96<br>The earthquake is one kind of non-prewarning calamities happens suddenly , The consequence caused by an earthquake may be the most serious when compared to other disasters. After many years of study, base isolation technology has been proven to efficiently reduce the seismic responses and upgrades the seismic resistance capability of the superstructure either from theoretical studies or experimental efforts. Hence it has recently been used widely in the new or existing structures all around the world today. In order to avoid the possibility of resonance form the pr

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14

Chen, Ying-Shao, and 陳盈劭. "The Effects of Ellipticity and Motion Direction on Junction Growth and Friction Force." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/6jj7ch.

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碩士<br>國立虎尾科技大學<br>機械與機電工程研究所<br>101<br>At this stage in the study of micro-mechanical components of the theoretical studies, however, are usually ignored the tangential speed, if we can have a better understanding of the characteristics of the micro-contact tangent interface can be found In fact, the tangential velocity of the micro-mechanical components the surface has a considerable impact, if there is a better understanding of the tangent interface, not only in the operation of the micro-mechanical components more effective solution to the operation of the machine, can be accurately control

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15

Tseng, Ya-Fang, and 曾雅芳. "Experimental Study of Light Weight Equipment Isolated with Multiple Direction Optimized-Friction Pendulum System." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/07510417032010415750.

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碩士<br>逢甲大學<br>土木工程所<br>99<br>Proposed in this study is a Multiple Directional Optimized-Friction Pendulum System (MDO-FPS) which uses various friction coefficients, radii of curvature and displacement capacities on sliding interfaces to achieve self-adjusting the natural period, damping effect and displacement capacity of the base isolator. Therefore, it is not easy to resonate with the vibrations of the ground motions and can effectively provide good protection to equipment housed in a building by reducing its responses under near fault and severe earthquakes. In addition, an equivalent syste

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16

Yegneswaran, Kamalesh. "Deviation between the sliding direction of the chip over the tool and the direction of the friction force in oblique cutting." Thesis, 2006. http://hdl.handle.net/10057/360.

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Pure oblique cutting experiments with conventional cutting tools as well as ultra-sharp tools have been carried out under a wide range of cutting conditions using a linear slide based cutting set-up. The chip flow direction was measured using the 3D Digital Image Correlation (DIC) technique of high-speed stereoscopic images and the frictional force direction was determined from forces. It is estimated that the error in chip flow angle measurements using DIC, was approximately ±1°, as was the error in friction force direction measurements from forces. An increasing trend of the angles with an i

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