Academic literature on the topic 'Engineering mechanics'

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Journal articles on the topic "Engineering mechanics"

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López, Eusebio Jiménez, Pablo Alberto Limon Leyva, Armando Ambrosio López, Francisco Javier Ochoa Estrella, Juan José Delfín Vázquez, Baldomero Lucero Velázquez, and Víctor Manuel Martínez Molina. "Mechanics 4.0 and Mechanical Engineering Education." Machines 12, no. 5 (May 7, 2024): 320. http://dx.doi.org/10.3390/machines12050320.

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Industry 4.0 is an industrial paradigm that is causing changes in form and substance in factories, companies and businesses around the world and is impacting work and education in general. In fact, the disruptive technologies that frame the Fourth Industrial Revolution have the potential to improve and optimize manufacturing processes and the entire value chain, which could lead to an exponential evolution in the production and distribution of goods and services. All these changes imply that the fields of engineering knowledge must be oriented towards the concept of Industry 4.0, for example, Mechanical Engineering. The development of various physical assets that are used by cyber-physical systems and digital twins is based on mechanics. However, the specialized literature on Industry 4.0 says little about the importance of mechanics in the new industrial era, and more importance is placed on the evolution of Information and Communication Technologies and artificial intelligence. This article presents a frame of reference for the importance of Mechanical Engineering in Industry 4.0 and proposes an extension to the concept of Mechanics 4.0, recently defined as the relationship between mechanics and artificial intelligence. To analyze Mechanical Engineering in Industry 4.0, the criteria of the four driving forces that defined mechanics in the Third Industrial Revolution were used. An analysis of Mechanical Engineering Education in Industry 4.0 is presented, and the concept of Mechanical Engineering 4.0 Education is improved. Finally, the importance of making changes to the educational models of engineering education is described.
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Ghosh, S. K. "Engineering mechanics." Journal of Mechanical Working Technology 14, no. 3 (June 1987): 387–88. http://dx.doi.org/10.1016/0378-3804(87)90024-6.

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Thompson, Brian S. "Engineering mechanics." Mechanism and Machine Theory 20, no. 1 (January 1985): 82. http://dx.doi.org/10.1016/0094-114x(85)90064-3.

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Fischer-Cripps,, AC, and KL Johnson,. "Introduction to Contact Mechanics. Mechanical Engineering Series." Applied Mechanics Reviews 55, no. 3 (May 1, 2002): B51. http://dx.doi.org/10.1115/1.1470678.

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Newman, J. C., and Uwe Zerbst. "Engineering Fracture Mechanics." Engineering Fracture Mechanics 70, no. 3-4 (February 2003): 367–69. http://dx.doi.org/10.1016/s0013-7944(02)00124-8.

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Delima-Silva, W. "Engineering fracture mechanics." Engineering Analysis with Boundary Elements 9, no. 1 (January 1992): 106–7. http://dx.doi.org/10.1016/0955-7997(92)90135-t.

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Graebel,, WP, and AS Paintal,. "Engineering Fluid Mechanics." Applied Mechanics Reviews 54, no. 5 (September 1, 2001): B89. http://dx.doi.org/10.1115/1.1399677.

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Boresi, AP, RJ Schmidt, and F. Mei. "Engineering Mechanics: Dynamics." Applied Mechanics Reviews 54, no. 6 (2001): B100. http://dx.doi.org/10.1115/1.1421111.

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Boresi, AP, RJ Schmidt, and G. Rega. "Engineering Mechanics: Statics." Applied Mechanics Reviews 55, no. 1 (2002): B7. http://dx.doi.org/10.1115/1.1445323.

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Bober, William. "Fluid Mechanics Computer Project for Mechanical Engineering Students." International Journal of Mechanical Engineering Education 36, no. 3 (July 2008): 248–55. http://dx.doi.org/10.7227/ijmee.36.3.8.

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Dissertations / Theses on the topic "Engineering mechanics"

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Lai, Jiun-Yu. "Mechanics, mechanisms, and modeling of the chemical mechanical polishing process." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/8860.

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Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2001.
Includes bibliographical references.
The ever-increasing demand for high-performance microelectronic devices has motivated the semiconductor industry to design and manufacture Ultra-Large-Scale Integrated (ULSI) circuits with smaller feature size, higher resolution, denser packing, and multi-layer interconnects. The ULSI technology places stringent demands on global planarity of the Interlevel Dielectric (ILD) layers. Compared with other planarization techniques, the Chemical Mechanical Polishing (CMP) process produces excellent local and global planarization at low cost. It is thus widely adopted for planarizing inter-level dielectric (silicon dioxide) layers. Moreover, CMP is a critical process for fabricating the Cu damascene patterns, low-k dielectrics, and shallow isolated trenches. The wide range of materials to be polished concurrently or sequentially, however, increases the complexity of CMP and necessitates an understanding of the process fundamentals for optimal process design. This thesis establishes a theoretical framework to relate the process parameters to the different wafer/pad contact modes to study the behavior of wafer-scale polishing. Several models of polishing - microcutting, brittle fracture, surface melting and burnishing - are reviewed. Blanket wafers coated with a wide range of materials are polished to verify the models. Plastic deformation is identified as the dominant mechanism of material removal in fine abrasive polishing.
(cont.) Additionally, contact mechanics models, which relate the pressure distribution to the pattern geometry and pad elastic properties, explain the die-scale variation of material removal rate (MRR) on pattern geometry. The pad displacement into low features of submicron lines is less than 0.1 nm. Hence the applied load is only carried by the high features, and the pressure on high features increases with the area fraction of interconnects. Experiments study the effects of pattern geometry on the rates of pattern planarization, oxide overpolishing and Cu dishing. It was observed that Cu dishing of submicron features is less than 20 nm and contributes less to surface non-uniformity than does oxide overpolishing. Finally, a novel in situ detection technique, based on the change of the reflectance of the patterned surface at different polishing stages, is developed to detect the process endpoint and minimize overpolishing. Models that employ light scattering theory and statistical treatment correlate the sampled reflectance with the surface topography and Cu area fraction for detecting the process regime and endpoint. The experimental results agree well with the endpoint detection schemes predicted by the models.
by Jiun-Yu Lai.
Ph.D.
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MacLennan, Iain James. "Two parameter engineering fracture mechanics." Thesis, University of Glasgow, 1996. http://theses.gla.ac.uk/6756/.

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The object of this work was to investigate and expand on previously carried out research into elastic-plastic crack tip fields using the first two terms of the Williams expansion to characterise the degree of crack tip constraint. As a precursor to this research a history of fracture mechanics is also presented. In the present work crack tip fields in small scale yielding have been detennined using modified boundary layer formulations in an attempt to model the influence of the second order term of the Williams expansion, the T -stress. The prime object of this thesis was to investigate and expand on previously carried out research into a two parameter characterisation of elastic-plastic crack tip fields using the second parameter of the Williams expansion(T), which attempts to characterise the degree of crack tip constraint. Modified Boundary Layer formulations in conditions of plane strain were implemented to derive a suitable reference solutions, against which the effects of out of plane strains can be compared and the validity of presently established reference fields can be gauged. The effect of out of plane non-singular stress, S, on the crack tip stress field were also considered, where constraint was largely determined by T. A wide range of analyses have been carried out, from the microstructural scale to complete engineering components in an attempt to characterise crack tip stress fields. The ability to apply two parameter fracture concepts to real engineering structures requires methods for calculating T for complex components with realistic semi-elliptical defects. A simple engineering method for achieving this was developed making use of linespring elements in the finite element package ABAQUS. This approach was validated by the calculation of T for semi-elliptical cracks at the chord-brace intersection of a tubular welded joint, modelled using the mesh generation program PATRAN. The micromechanics of cleavage, using the Ritchie-Knott-Rice model have also been constructed. This work relates the ratio of J for unconstrained and constrained geometries to critical microstructural distance, critical cleavage stress and the toughness ratio on the strainhardening effect. The elastic-plastic behaviour of short and deeply cracked bend bars has previously been described by Betegon and Hancock based on the first two terms of the Williams expansion. A local cleavage criterion has been applied to these fields to indicate the effect of loss of constraint on lower shelf toughness of shallow cracked bend bars. The work models the maximum temperature at which cleavage can occur in these geometries to show the effect of constraint and aJW ratio of cracked bend bars on the ductile-brittle transition temperature. This has also been backed by a significant experimental research program. Finally constraint dependent toughness has been considered in relation to failure assessment methodologies. A simple engineering method for modifying these Failure Assesssment Diagrams has been presented, this consists of considering the constraint matched toughness of the strucutre. This procedure recovers the original Failure Assessment Line and unifies the constraint dependent fracture toughness within defect assessment schemes which utilise Failure Assessment Diagrams.
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Yedeg, Esubalewe Lakie. "Control and design of engineering mechanics systems." Licentiate thesis, Umeå universitet, Institutionen för datavetenskap, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-76675.

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Blackstone, Britani Nicole. "Biomaterial, Mechanical and Molecular Strategies to Control Skin Mechanics." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1406123409.

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de, Vries Edgar. "Mechanics and mechanisms of ultrasonic metal welding." The Ohio State University, 2004. http://rave.ohiolink.edu/etdc/view?acc_num=osu1078415529.

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Szklarzewski, Veronica. "A mechanism for testing the torsional mechanics of origami-inspired hinges." Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/98760.

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Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015.
Cataloged from PDF version of thesis.
Includes bibliographical references (page 29).
Folding 2-dimensional sheets into static and dynamic 3-dimensional structures has the potential to improve rate, cost, and flexibility in manufacturing. In order to explore origami-inspired design, a better understanding of the mechanics of the fold is needed. This is to create better mathematical models and design for particular stiffness and fatigue specifications. The purpose of this study is to create a desktop machine that enables the measurement of the torsional stiffness of folded hinges over a wide angular range and a large number of cycles. This machine was then used to test 100 and 140 lb papers with 4 and 14 scores for the crease. Each paper was tested for 10 cycles and stiffness calculated. It was shown that 40 lb papers have higher reaction forces than the 100 lb papers. Stiffness measurements were inconclusive due to possible bending in addition to the hinging. For the 200 cycle around a 2 g decrease can be seen from I cycle to 200 cycles.
by Veronica Szklarzewski.
S.B.
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Noll, Scott Allen. "Residual stress fields due to laser-pulse-generated shock waves." The Ohio State University, 1999. http://rave.ohiolink.edu/etdc/view?acc_num=osu1407411599.

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Wu, Xin Ming. "Electrorheological fluids : fundamentals and engineering applications." Thesis, University of Liverpool, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316617.

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Stevens, N. G. "Electrorheological fluids and their engineering application." Thesis, University of Liverpool, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.356283.

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Yedeg, Esubalewe Lakie. "Analysis, Control, and Design Optimization of Engineering Mechanics Systems." Doctoral thesis, Umeå universitet, Institutionen för datavetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-119978.

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This thesis considers applications of gradient-based optimization algorithms to the design and control of some mechanics systems. The material distribution approach to topology optimization is applied to design two different acoustic devices, a reactive muffler and an acoustic horn, and optimization is used to control a ball pitching robot. Reactive mufflers are widely used to attenuate the exhaust noise of internal combustion engines by reflecting the acoustic energy back to the source. A material distribution optimization method is developed to design the layout of sound-hard material inside the expansion chamber of a reactive muffler. The objective is to minimize the acoustic energy at the muffler outlet. The presence or absence of material is represented by design variables that are mapped to varying coefficients in the governing equation. An anisotropic design filter is used to control the minimum thickness of materials separately in different directions. Numerical results demonstrate that the approach can produce mufflers with high transmission loss for a broad range of frequencies. For acoustic devices, it is possible to improve their performance, without adding extended volumes of materials, by an appropriate placement of thin structures with suitable material properties. We apply layout optimization of thin sound-hard material in the interior of an acoustic horn to improve its far-field directivity properties. Absence or presence of thin sound-hard material is modeled by a surface transmission impedance, and the optimization determines the distribution of materials along a “ground structure” in the form of a grid inside the horn. Horns provided with the optimized scatterers show a much improved angular coverage, compared to the initial configuration. The surface impedance is handled by a new finite element method developed for Helmholtz equation in the situation where an interface is embedded in the computational domain. A Nitschetype method, different from the standard one, weakly enforces the impedance conditions for transmission through the interface. As opposed to a standard finite-element discretization of the problem, our method seamlessly handles both vanishing and non-vanishing interface conditions. We show the stability of the method for a quite general class of surface impedance functions, provided that possible surface waves are sufficiently resolved by the mesh. The thesis also presents a method for optimal control of a two-link ball pitching robot with the aim of throwing a ball as far as possible. The pitching robot is connected to a motor via a non-linear torsional spring at the shoulder joint. Constraints on the motor torque, power, and angular velocity of the motor shaft are included in the model. The control problem is solved by an interior point method to determine the optimal motor torque profile and release position. Numerical experiments show the effectiveness of the method and the effect of the constraints on the performance.
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Books on the topic "Engineering mechanics"

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Meriam, J. L. Engineering mechanics. 6th ed. Hoboken, NJ: Wiley, 2007.

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Meriam, J. L. Engineering mechanics. 4th ed. New York: Wiley, 1997.

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G, Kraige L., and Palm William J. 1944-, eds. Engineering mechanics. 5th ed. New York: Wiley, 2003.

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G, Kraige L., ed. Engineering mechanics. 2nd ed. New York: Wiley, 1986.

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G, Kraige L., ed. Engineering mechanics. 3rd ed. New York: Wiley, 1992.

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G, Kraige L., ed. Engineering mechanics. 2nd ed. New York: Wiley, 1987.

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G, Kraige L., ed. Engineering mechanics. 3rd ed. New York: Wiley, 1993.

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Kraige, L. G. (L. Glenn), ed. Engineering mechanics. 7th ed. New York: J. Wiley, 2012.

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Shames, Irving Herman. Engineering mechanics. 4th ed. Upper Saddle River, N.J: Prentice Hall, 1997.

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Shames, Irving Herman. Engineering mechanics. 4th ed. Upper Saddle River, N.J: Prentice Hall, 1997.

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Book chapters on the topic "Engineering mechanics"

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Shafer, Wade H. "Engineering Mechanics." In Masters Theses in the Pure and Applied Sciences, 199–201. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-0393-0_13.

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Shafer, Wade H. "Engineering Mechanics." In Masters Theses in the Pure and Applied Sciences, 166–67. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-5969-6_13.

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Shafer, Wade H. "Engineering Mechanics." In Masters Theses in the Pure and Applied Sciences, 187–90. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3412-9_13.

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Shafer, Wade H. "Engineering Mechanics." In Masters Theses in the Pure and Applied Sciences, 213–15. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4615-3474-7_13.

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Shafer, Wade H. "Engineering Mechanics." In Masters Theses in the Pure and Applied Sciences, 205–6. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0599-6_13.

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Shafer, Wade H. "Engineering Mechanics." In Masters Theses in the Pure and Applied Sciences, 194–96. Boston, MA: Springer US, 1986. http://dx.doi.org/10.1007/978-1-4684-5197-9_13.

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Shafer, Wade H. "Engineering Mechanics." In Masters Theses in the Pure and Applied Sciences, 173–74. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2832-6_13.

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Shafer, Wade H. "Engineering Mechanics." In Masters Theses in the Pure and Applied Sciences, 135–36. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4757-5782-8_13.

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Shafer, Wade H. "Engineering Mechanics." In Masters Theses in the Pure and Applied Sciences, 187–89. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2453-3_13.

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Shafer, Wade H. "Engineering Mechanics." In Masters Theses in the Pure and Applied Sciences, 214–16. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-1969-0_13.

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Conference papers on the topic "Engineering mechanics"

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TANG, C. Y., C. P. TSUI, K. C. CHAN, and E. W. M. Lee. "DAMAGE MECHANICS AND FRACTURE MECHANICS IN MAINTENANCE ENGINEERING." In Quality Management: A New Era - The First International Conference on Quality Management and Six Sigma. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701930_0015.

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Manzhirov, Alexander V. "Mechanics of Growing Solids: New Track in Mechanical Engineering." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-36712.

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A vast majority of objects around us arise from some growth processes. Many natural phenomena such as growth of biological tissues, glaciers, blocks of sedimentary and volcanic rocks, and space objects may serve as examples. Similar processes determine specific features of many industrial processes which include crystal growth, laser deposition, melt solidification, electrolytic formation, pyrolytic deposition, polymerization and concreting technologies. Recent researches indicates that growing solids exhibit properties dramatically different from those of conventional solids, and the classical solid mechanics cannot be used to model their behavior. The old approaches should be replaced by new ideas and methods of modern mechanics, mathematics, physics, and engineering sciences. Thus, there is a new track in solid mechanic that deals with the construction of adequate models for solid growth processes. The fundamentals of the mathematical theory of growing solids are under consideration. We focus on the surface growth when deposition of a new material occurs at the boundary of a growing solid. Two approaches are discussed. The first one deals with the direct formulation of the mathematical theory of continuous growth in the case of small deformations. The second one is designed for the solution of nonlinear problems in the case of finite deformations. It is based on the ideas of the theory of inhomogeneous solids and regards continuous growth as the limit case of discrete growth. The constitutive equations and boundary conditions for growing solids are presented. Non-classical boundary value problems are formulated. Methods for solving these problems are proposed.
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Yang, Jie, Dewen Liu, Yani He, Qingfeng Xiao, and Zhongli Guo. "Research of foundation engineering mechanics." In 5th International Conference on Advanced Design and Manufacturing Engineering. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/icadme-15.2015.111.

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Wang, Li. "Construction Mechanics and Time-Varying Mechanics in Civil Engineering Analysis." In 2016 4th International Conference on Machinery, Materials and Information Technology Applications. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icmmita-16.2016.215.

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Manteufel, Randall D. "Experiences From Screencasting Engineering Mechanics Lectures." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-13213.

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Screencasting is the simultaneous recording of a computer screen, audio narration, and possibly a video image included in a small portion of the screen. Instructors are beginning to screencast their lectures as an additional learning resource for students. Once produced, the files can be uploaded to an internet accessible site and reviewed by students. The author uses the Camtasia software running on a TabletPC, using Microsoft Journal. The software runs in the background on the Tablet during the lecture. After the lecture, the software can be used to edit the files and produce the lecture in a variety of internet-ready formats. The files can be uploaded into a course management system and linked for student access. This paper discusses the mechanics of screencasting, feedback from students, and an assessment of the effect on student performance.
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Wangenheim, Matthias, Sarah Engelmann, and Frank Haupt. "Better Learning Success in Engineering Mechanics." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50377.

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Studying engineering mechanics is mandatory for every engineering student at Leibniz Universität Hannover (LUH). The course is divided into four parts (statics, elastostatics, kinetics and kinematics, dynamics) and is taught over a period of two years at the very beginning of each study program. While students’ evaluations of our courses are good in general, we face a high failure rate in the exams, which are written once at the end of each course. In later stages of the engineering study programs, it seems hard to for us enthusing students for our research topics. Thus, finding M.Sc. or PhD students is more difficult for us than it should be. In a university funded, internal 12-month project we aim to optimize our Engineering Mechanics Tutorials, which provide a specific, relatively interactive form of teaching to the students. With internal and external consultancy by professional lecturers and didactics trainers, our project team has developed a course of actions and measures to raise the academic success of our students. In this publication we will discuss these actions as well as ways to measure and verify their success.
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Persaud, Stefan, and Bas Flipsen. "PRODUCTIVE FAILURE PEDAGOGY IN ENGINEERING MECHANICS." In 25th International Conference on Engineering and Product Design Education. The Design Society, 2023. http://dx.doi.org/10.35199/epde.2023.58.

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Vechet, S., J. Krejsa, and K. S. Chen. "The design of Bayesian diagnostic expert system Querix and it’s engineering application." In Engineering Mechanics 2023. Institute of Thermomechanics of the Czech Academy of Sciences, Prague, 2023. http://dx.doi.org/10.21495/em2023-259.

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Jegla, Z., M. Reppich, M. Krňávek, and J. Horsák. "KEY AREAS OF ENGINEERING MECHANICS IN DESIGN OF MODERN INTEGRATED PROCESS EQUIPMENT." In Engineering Mechanics 2020. Institute of Thermomechanics of the Czech Academy of Sciences, Prague, 2020. http://dx.doi.org/10.21495/5896-3-026.

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Nowak, Michael D. "Combined Mechanical Engineering Materials Lecture and Mechanics of Materials Laboratory: Cross-Disciplinary Teaching." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82008.

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We have developed a course combining a Mechanical Engineering Materials Laboratory with a Materials Science lecture for a small combined population of undergraduate Mechanical and Biomedical Engineering students. By judicious selection of topic order, we have been able to utilize one lecture and one laboratory for both Mechanical and Biomedical Engineering students (with limited splitting of groups). The primary reasons for combining the Mechanical and Biomedical students are to reduce faculty load and required resources in a small university. For schools with medium or small Mechanical and Biomedical Engineering programs, class sizes could be improved if they could include other populations. The heterogeneous populations also aid in teaching students that the same engineering techniques are useful in more than a single engineering realm. The laboratory sections begin with the issues common to designing and evaluating mechanical testing, followed by tensile, shear, and torsion evaluation of metals. To introduce composite materials, wood and cement are evaluated. While the Mechanical Engineering students are evaluating impact and strain gauges, the Biomedical Engineering students are performing tensile studies of soft tissues, and compression of long bones. The basic materials lectures (beginning at the atomic level) are in common with both Mechanical and Biomedical student populations, until specific topics such as human body materials are discussed. Three quarters of the term is thus taught on a joint basis, and three or four lectures are split. Basic metal, plastic and wood behavior is common to both groups.
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Reports on the topic "Engineering mechanics"

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Author, Not Given. Structural engineering, mechanics and materials: Final report. Office of Scientific and Technical Information (OSTI), January 1988. http://dx.doi.org/10.2172/6253183.

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Byrd, Gerald. ME 5620 Fracture Mechanics in Engineering Design. Case Study Project. Fort Belvoir, VA: Defense Technical Information Center, April 2011. http://dx.doi.org/10.21236/ada541534.

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Hadley, Isabel. PR164-205102-R01 Application of Probabilistic Fracture Mechanics to Engineering Critical Assessment. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), April 2021. http://dx.doi.org/10.55274/r0012093.

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This report summarizes the results of a series of deterministic and probabilistic fracture and fatigue calculations carried out in order to: ? Demonstrate that ProCW correctly implements probabilistic ECA, eg by comparing selected deterministic and probabilistic calculations, ? Show the effect of the choice of K-solution on the fatigue life and POF of pipes containing a circumferential flaw, ? Implement a two-stage probabilistic model of fatigue crack growth, in both air and marine environments, ? Consider the effects of modelling the fatigue crack growth threshold probabilistically, ? Demonstrate the use of ProCW for a representative riser geometry and a complex loading spectrum, ? For the same riser geometry/loading scenario, compare the POF implied by the use of design fatigue safety factors given in DNVGL-ST-F101 [2], DNVGL-RP-F204 [3] and DNVGL-RP-F201 [4] with the POF calculated directly from probabilistic calculations. There is a related webinar.
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Francini, Robert. PR-218-063510-R01 Literature Review on Mechanical Damage. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), January 2009. http://dx.doi.org/10.55274/r0010705.

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The development of an engineering model and acceptance criteria for the evaluation of dent and gouge damage will provide a significantly improved technical basis to evaluate the threat of delayed failure and develop general guidance for the industry to enable safe working pressures for operation before and during excavation and repair. When combined with the results from parallel PRCI projects, this effort will form the basis for delivering a new suite of engineering tools and guidance to the industry on how to evaluate the integrity of pipe containing mechanical damage. This study provides input on the fracture mechanics model for mechanical damage as developed by Andrew Francis and Associates.
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5

Zhang, Xin. Uncooled Cantilever Microbolometer Focal Plane Arrays with mK Temperature Resolution: Engineering Mechanics for the Next Generation. Fort Belvoir, VA: Defense Technical Information Center, November 2009. http://dx.doi.org/10.21236/ada564497.

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6

Broesius, J. Y. Technical abstracts: Mechanical engineering, 1990. Office of Scientific and Technical Information (OSTI), March 1991. http://dx.doi.org/10.2172/5563457.

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7

Sadlon, Richard J. Mechanical Applications in Reliability Engineering. Fort Belvoir, VA: Defense Technical Information Center, August 1993. http://dx.doi.org/10.21236/ada363860.

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8

Denney, R. M., K. L. Essary, M. S. Genin, H. H. Highstone, and J. D. Hymer. Mechanical Engineering Department engineering research: Annual report, FY 1986. Edited by S. O. Taft. Office of Scientific and Technical Information (OSTI), December 1986. http://dx.doi.org/10.2172/6536507.

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9

Lozev. L52022 Validation of Current Approaches for Girth Weld Defect Sizing Accuracy. Chantilly, Virginia: Pipeline Research Council International, Inc. (PRCI), July 2002. http://dx.doi.org/10.55274/r0011325.

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Computational tools based on probabilistic fracture mechanics have been developed to enable reliability-based fitness-for-service assessments of flawed girth welds. The same tools are readily adapted for establishing maximum allowable defect sizes to achieve targeted weld reliability. Sensitivity studies have shown that of the various input parameter uncertainties, measured defect height often has the greatest impact on the probabilities of both fracture and plastic collapse. A reduction in sizing uncertainty should thus dramatically improve predicted reliabilities. The increasing use of mechanized ultrasonic testing (UT) in pipeline construction, driven by the demands of engineering critical assessment (ECA) -based acceptance criteria, highlights the need to quantify this uncertainty, particularly for systems incorporating pulse-echo (P/E) and time-of-flight diffraction (TOFD) methods and phased-array (PA) technology. EWI collected third-party independent data and statistically characterized the systematic and random errors in girth weld defect sizing, as measured by mechanized UT using P/E and TOFD methods, as well as PA ultrasonic technology, in support of pipeline reliability assessments.
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10

Scott, J., and R. Brady. Mechanical testing of selected engineering plastics. Office of Scientific and Technical Information (OSTI), January 1990. http://dx.doi.org/10.2172/6952346.

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