Journal articles: 'Mechanica'

1

Turner, A. J. "Essay Review: Mechanics in the Roberts Collection, Bibliotheca Mechanica." History of Science 32, no. 1 (March 1994): 106–8. http://dx.doi.org/10.1177/007327539403200105.

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Smith, Russell. "Light Path." Journal of Early Modern Studies 8, no. 2 (2019): 43–79. http://dx.doi.org/10.5840/jems20198212.

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This paper focuses on the mathematisation of mechanics in the seventeenth century, specifically on how the representation of compounded rectilinear motions presented in the ancient Greek Mechanica found its way into Newton’s Principia almost two thousand years later. I aim to show that the path from the former to the latter was optical: the conceptualisation of geometrical lines as paths of reflection created a physical interpretation of diagrammatic principles of geometrical point-motion, involving the kinematics and dynamics of light reflection. Upon the atomistic conception of light, the optical interpretation of such geometrical principles entailed their mechanical generalisation to local motion; rectilinear motion via the physico-mathematics of reflection and the Mechanica’s parallelogram rule; circular motion via the physico-mathematics of reflection, the Archimedean squaring of the circle and the Mechanica’s extension of the parallelogram rule to centripetal motion. This appeal to the physico-mathematics of reflection forged a realist foundation for the mathematisation of motion. Whereas Aristotle’s physics rested on motions which had their source in the nature of the elements, early modern thinkers such as Harriot, Descartes, and Newton based their new principles of mechanical motion upon selected elements of the mechanics of light motion, projected upon the geometry of the parallelogram rule for rectilinear and, ultimately, circular motion.

3

Bajla, J., Z. Balogh, and M. Božik. "Exploitation of the software product Pro/Mechanica in the agricultural research." Research in Agricultural Engineering 49, No. 4 (February 8, 2012): 161–64. http://dx.doi.org/10.17221/4968-rae.

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The program system Pro/MechaniCa is a specific software product designed for solving of different kinds of technical problems in general engineering. We were looking for usage not only in the engineering but also in the terramechanical area. We realized a simulation loading of the soil with a rigid circular table and after the loading we calculated deformations and stresses under the table using FEM (Finite Element Method). This article shows a specific exploitation program Pro/Mechanica in an unconventional area as well as in the agricultural area.

4

Gomolin, Tamar A., Abigail Cline, and Marian Russo. "Maskne: Exacerbation or Eruption of Acne During the COVID-19 Pandemic." SKIN The Journal of Cutaneous Medicine 4, no. 5 (August 29, 2020): 438–39. http://dx.doi.org/10.25251/skin.4.5.7.

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Although the COVID-19 outbreak has decreased dermatology outpatient clinic visits, acne remains the most common condition among patients requesting an appointment. The widespread use of face masks may be a contributing factor to acne mechanica and folliculitis mechanica, where stopping the mechanical insult is essential to treatment. However, COVID-19 poses a unique challenge as mask wearing is crucial to limiting viral exposure. Although reported cases of mask-associated facial dermatoses are largely documented in healthcare workers, the general population is being affected by “maskne”. Pathogenesis and treatment options are discussed and the importance of counseling patients on proper skin hygiene is highlighted. As mask use increases, dermatologists should anticipate this trend in acne flare-ups.

5

Nichols, Fred J., and Gerrit Krol. "De mechanica van het liegen." World Literature Today 70, no. 3 (1996): 709. http://dx.doi.org/10.2307/40042226.

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Abattouy, Mohammed. "Nutaf Min Al-ΗΙYal: a Partial Arabic Version of Pseudo-Aristotle's Problemata Mechanica." Early Science and Medicine 6, no. 2 (2001): 96–122. http://dx.doi.org/10.1163/157338201x00073.

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AbstractThis article investigates the Arabic tradition of the Problemata Mechanica, a Greek text of mechanics ascribed to Aristotle, of which it has often been said that Arabic classical culture had been ignorant of it. Against this prevailed claim, it is shown that the Arabo-Muslim scholars had access to the text at least in the form of an abridged version entitled Nutaf min al-iyal edited by al-Khāzinī (twelfth century) in Kitāb mīzān al-ikma (Book of the Balance of Wisdom). The article includes the critical edition of the Arabic text of the Nutaf on the basis of the two extant manuscripts and its English translation. Finally, the mechanical theory in the Nutaf is characterized briefly.

7

Dimmock-Jones, Laura. "Off the shelf: Astronomiæ instauratæ mechanica." Astronomy & Geophysics 63, no. 2 (April 1, 2022): 2.41. http://dx.doi.org/10.1093/astrogeo/atac028.

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8

Guerrini, Anita, and Jole R. Shackelford. "John Keill'sde Operationum Chymicarum Ratione Mechanica." Ambix 36, no. 3 (November 1989): 138–52. http://dx.doi.org/10.1179/amb.1989.36.3.138.

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Köhler, Axel Tilman, Helge Stolle, Ralf Hartmann, and Axel Zimmerlinkat. "Acne mechanica der Perinealregion beim Sportler." coloproctology 24, no. 2 (April 2002): 96–100. http://dx.doi.org/10.1007/s00053-002-5070-4.

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Wei, Chun Li, Wei Zhang, and Hui Wei. "Design of the PRO/MECHANICA to Variable Cross-Section of Micro-Mechanical Cantilever Based on the Finite Element Method." Applied Mechanics and Materials 184-185 (June 2012): 146–50. http://dx.doi.org/10.4028/www.scientific.net/amm.184-185.146.

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Abstract: In order to achieve the design of micro-machined micro- mechanical cantilever beam of variable cross-section through the PRO / MECHANICA micro-mechanical variable cross-section cantilever beam to mathematical modeling , analysis model , a standard static analysis , the primary design model , the local sensitivity analysis, global sensitivity analysis and optimization design aspects . By the analysis of research data , this body design is feasible and adaptable stress distribution characteristics of a good , good appearance of the structure .

11

Wang, Na, Ming Fei Chen, Lian Yong Zhang, and Ke Ming Liu. "Research on the Reliability and Optimum Design of Automotive Transmission." Advanced Materials Research 655-657 (January 2013): 382–85. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.382.

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Automotive transmission shaft is the main component of vehicle power; it directly affects the force conditions and the life of the stability of auto transmission. Therefore, mechanical analysis and optimum design of car's drive shaft is very important. Finite element analysis and reliability design of auto transmission are performed by Pro/MECHANICA software in the paper and the intermediate shaft on the vehicle drive shaft is analyzed and optimized.

12

Chen, Yong Qiu, Yu Lai Ma, and Yong Kui Han. "The Finite Element Analysis of Longmen Type Frame on Large Thickness Flame Cutting Machine." Applied Mechanics and Materials 274 (January 2013): 253–56. http://dx.doi.org/10.4028/www.scientific.net/amm.274.253.

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In this paper, finite element analysis was used to study the whole stiffness on the Longmen type frame by Pro/MECHANICA, the model simplification and mesh principle were elaborated, as well as the advantage of Pro/MECHANICA with adaptive P-method technology and with the traditional finite element software with non-adaptive H-method technology. The weakest link of the whole stiffness on the Longmen type frame was found out. The three main factors of affecting the whole stiffness was put forward to.

13

Qian, Jin, Tongqing Lu, and Shaoxing Qu. "Preface to the “Soft Matter Mechanics” Special Issue of Acta Mechanica Solida Sinica." Acta Mechanica Solida Sinica 32, no. 5 (August 1, 2019): 533–34. http://dx.doi.org/10.1007/s10338-019-00128-0.

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Zheng, Xiaojing. "A new beginning for Acta Mechanica Sinica." Acta Mechanica Sinica 37, no. 1 (January 2021): 1. http://dx.doi.org/10.1007/s10409-020-01049-9.

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15

van Berkel, Klaas. "Het mechanische van de mechanica: Het krachtbegrip tussen metafysica en mechanica van Newton tot Lagrange. J. Christiaan Boudri." Isis 86, no. 3 (September 1995): 493. http://dx.doi.org/10.1086/357275.

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Deng, Xiao Lin. "Sensibility Analysis and Structural Optimization Design of Vehicle Frame." Applied Mechanics and Materials 401-403 (September 2013): 276–81. http://dx.doi.org/10.4028/www.scientific.net/amm.401-403.276.

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The paper establishes a three-dimensional solid model of the frame, and simplifies the frame model according to the simplification rules of finite element. Use Pro/MECHANICA module of Pro/ENGINEER software to carry out static and modal analysis of the frame, and to conduct sensitivity analysis of geometric parameters having a great impact on the frame characteristics, thus the most sensitive size parameters of the frame performance are gotten. By optimization design function of Pro/MECHANICA module, specifying goals of optimized design and ranges of size sensitive parameters, the frame structure is optimized.

17

Ma, Bing, Li Zhen Liu, Xue Feng Bai, He Wang, Li Wei Yang, Chong Wang, Shi Nan Li, Lu Ning Yu, and Hui Chen. "Study of Temperature Field Distribution and Deformation of Chain Link Based on Pro/E." Applied Mechanics and Materials 490-491 (January 2014): 836–40. http://dx.doi.org/10.4028/www.scientific.net/amm.490-491.836.

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This paper studies the temperature field variation of the chain link as well as the stress and deformation distribution of the pin which works in hot forging and stamping production line with heat recovery function. The approach is to build the model of the chain link with Pro/Engineer and apply it to the simulation with Pro/Mechanica. To be specific, it is to stimulate the thermal conduction of the chain link and the stress state of the pin under high temperature with Pro/Mechanica-Thermal and Pro/Mechanica-Structure module, respectively. The results are the temperature filed nephogram of the chain link as well as the stress and deformation nephogram of the pin. The simulation shows that:1) the temperature reaches 420°C at the contacts of the outer and inner plates at 600s, 2) the maximum stress of the pin is 112Mpa at the ends where the pin meets the outer and inner plates,3) the pins max deformation is 0.0159mm at the middle of the pin. Comparing the simulation to the actual temperature at the contacts of the outer and inner plates,which is measured ten times in advance with average of 439°C ,the simulation is favorable. According to the results above, graphite lubrication should be chosen for the chain and the pin can work properly with deformation rate of 0.795. By this way of simulating with Pro/Mechanica, complicated calculations and repeated tests can be reduced largely, meanwhile, useful parameters and mathematical model can also be provided for manufacturing and process control.

18

TSUKIYA, Tomonori, Toshihide MIZUNO, Yoshiaki TAKEWA, Takashi YAMANE, Osamu MARUYAMA, Takeshi OHKUBO, Hideo HOSHI, Toshiyuki OSADA, Eisuke TATSUMI, and Yoshiyuki Taenaka. "W021002 Development of Durable Mechanica Circulatory Support Devices." Proceedings of Mechanical Engineering Congress, Japan 2012 (2012): _W021002–1—_W021002–2. http://dx.doi.org/10.1299/jsmemecj.2012._w021002-1.

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Patel, Rahul L., Divyesh B. Morabiya, and Anil N. Rathour. "Weight optimization of chassis frame using Pro-Mechanica." International Journal of Mechanical Engineering 1, no. 8 (August 25, 2014): 4–8. http://dx.doi.org/10.14445/23488360/ijme-v1i8p102.

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20

Sun, Huer. "Non-Linear Fracture Mechanics Analyses of Vibrating Screen Arthropleure." Key Engineering Materials 324-325 (November 2006): 767–70. http://dx.doi.org/10.4028/www.scientific.net/kem.324-325.767.

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The dynamic properties of the model of vibrating screen are obtained using the software Pro/ MECHANICA. The natural frequencies and mode shapes of the screen are calculated, and the distribution law of dynamic stress is found out. It shows that the structure design of the screen is reasonable. Under the working conditions designed, its dynamic strength is satisfied. This paper provides engineering estimates of non-linear fracture mechanics parameters for vibrating screen arthropleure cracks, subject to alternate stress and Vibrating. Solutions are given in the form of two different approaches.

21

Shahaf, Dafna, and Eric Horvitz. "Generalized Task Markets for Human and Machine Computation." Proceedings of the AAAI Conference on Artificial Intelligence 24, no. 1 (July 4, 2010): 986–93. http://dx.doi.org/10.1609/aaai.v24i1.7652.

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We discuss challenges and opportunities for developing generalized task markets where human and machine intelligence are enlisted to solve problems, based on a consideration of the competencies, availabilities, and pricing of different problem-solving resources. The approach couples human computation with machine learning and planning, and is aimed at optimizing the flow of subtasks to people and to computational problem solvers. We illustrate key ideas in the context of Lingua Mechanica, a project focused on harnessing human and machine translation skills to perform translation among languages. We present infrastructure and methods for enlisting and guiding human and machine computation for language translation, including details about the hardness of generating plans for assigning tasks to solvers. Finally, we discuss studies performed with machine and human solvers, focusing on components of a Lingua Mechanica prototype.

22

Donatelli, Marisa C. de O. F. "Descartes: artes mecânicas e filosofia [Mechanica Arts and Philosophy]." Revista Ágora Filosófica 1, no. 1 (December 20, 2012): 115–33. http://dx.doi.org/10.25247/p1982-999x.2012.v1n1.p115-133.

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Neste trabalho, pretende-se abordar a defesa da utilidade do conhecimento em Descartes, considerando aquilo que o fi lósofo entende como ‘conhecimentos que sejam úteis à vida’, porém não a partir de um enfoque moral, mas com ênfase no planejamento de construção de máquinas e artefatos que, além de auxiliarem a ciência, facilitem o trabalho dos homens. Tal propósito pode ser encontrado em alguns textos do fi lósofo, dos quais se destaca o pequeno tratado sobre as mecânicas que compõem a carta a Huygens de 5 de outubro de 1637, as duas partes fi nais do Discurso do Método e o discurso X da Dióptrica. Com base em textos selecionados, e sem perder o caráter unificador da proposta cartesiana, enfatizar-se-á, tomando de empréstimo uma expressão de Nicolas Grimaldi, a “obsessão tecnológica” presente na obra do filósofo.

23

Guerrini, Anita, and Jole R. Shackelford. "John Keill's de Operationum Chymicarum Ratione Mechanica." Ambix 36, no. 3 (November 1, 1989): 138–52. http://dx.doi.org/10.1179/000269889791497056.

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24

MAEKAWA, MICHIO. "ARTES LIBERALES, MECHANICA AND ARCHITECTONICA IN THE MIDDLE AGES." Journal of Architecture, Planning and Environmental Engineering (Transactions of AIJ) 359 (1986): 135–44. http://dx.doi.org/10.3130/aijax.359.0_135.

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25

Hu, Shu Lan. "On Piston Rod System Operation Analysis and Piston Structure Optimization Research." Applied Mechanics and Materials 513-517 (February 2014): 4147–51. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.4147.

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The transmission components of internal combustion engine power are piston rod structure. The quality of the structure design has direct impact on the whole machine. Alternating thermal load and mechanical load are pistons, which are under the worst piston rod system working condition. This article performs operation analysis piston rod structure through the corresponding application of Pro/Mechanica and Pro/Mechanism, so that the stress and piston dangerous stress concentration location shall be determined based on piston structure optimization design. This way leads to quality improvement of piston rod structure design, leading to extended products service life, which has a particularly important role and significance.

26

Reed, Julia. "Mechanica Medicina Sacra: Biblical Vegetarianism in Philippe Hecquet’s Theological Medicine." Early Science and Medicine 26, no. 5-6 (December 15, 2021): 539–60. http://dx.doi.org/10.1163/15733823-12340027.

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Abstract In the early eighteenth century, the French Jansenist physician Philippe Hecquet began publishing prolifically on the benefits of what he called “meatless medicine,” calling for a “Catholic cook” to guide France’s physical, moral, and spiritual health. This paper analyzes Hecquet’s defense of vegetarianism as an early modern example of a distinct kind of Biblical medicine – what Hecquet termed “theological medicine” – in the context of his understanding of bodily mechanism, natural history, and Biblical literalism, in his Traité des dispenses du carême (1709) and La medecine théologique, ou la medecine créée (1733). I argue that vegetarianism was the first principle of Hecquet’s Biblical medicine, which he considered both a natural and revealed truth to be grasped and applied by the pious physician.

27

Miletić, Aleksandar, Peter Panjan, Miha Čekada, Pal Terek, Lazar Kovačević, and Branko Škorić. "TiAlN tribological coatings prepared in industrial deposition system with different rotations." Advanced Technologies & Materials 43, no. 2 (December 15, 2018): 45–49. http://dx.doi.org/10.24867/atm-2018-2-008.

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Efficiency and lifetime of manufacturing tools and mechanica l components may be successfully improved by application of thin ceramic coatings. When it comes to tools for machining of hard materials such as machining of hardened steel, TiAlN is one of the most usually applied coatings. This material is of high hardness, high oxidation resistance and high temperature stability. In this research, surface morphology, mechanical and tribological properties of TiAlN coatings prepared in industrial deposition unit were studied. Three different coatings were prepared by selecting different rotational types in a magnetron sputtering deposition chamber. Surface morphology was characterized by stylus profilometry and atomic force microscopy, mechanical properties by nanoindentation technique and Rockwell indentation test, while pin-on-plate test was used to study tribological behavior. It was found that coatings prepared by higher number of rotations are smoother, harder, and more resistant to cracking and wear. These differences are attributed to differences in coating microstructure which refines with increased number of rotations.

28

Savi, Olindo, Rafael Alves Souza, Nilson Tadeu Mascia, and Mateus Henrique Souza. "The physical and mechanical properties of recycled gypsum and potential application of pre-molded panels." Revista Brasileira de Engenharia e Sustentabilidade 4, no. 2 (December 15, 2017): 21. http://dx.doi.org/10.15210/rbes.v4i2.11743.

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This study analyses the physical properties of recycled gypsum and mechanical performance of pre-molded gypsum panels made of recycled gypsum. A compatation with commercial gypsum physical properties and mechanica behavior of pre-molded commercial gypsum panels is also carried out. After collection, recycling and grinding gypsum residues, the quality of the powder produced was evaluated in terms of units of mass and fineness modulus. Additional tests of the dry paste were conducted for assessment of hardness, water absorption, and compressive strength of recycled gypsum. The commercial potential of the material was evaluated by the bending strength testing pre-molded panels. The results demonstrate that gypsum recycling is sustainable, ecologically correct and feasible for the production of pre-molded elements with great potential use in civil construction. Keywords: gypsum panels, mixed pastes, sustainable, gypsum pastes.

29

Jayaram, Sanjay, Mark McQuilling, and Sridhar Condoor. "PRO/MECHANICA-based structural and random vibration analysis of picosatellite structure." International Journal of Computer Aided Engineering and Technology 4, no. 1 (2012): 90. http://dx.doi.org/10.1504/ijcaet.2012.044585.

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30

Cheng, Geng-Dong. "Twenty-five years of excellence: a retrospective glance of Acta Mechanica Sinica." Acta Mechanica Sinica 26, no. 6 (December 2010): 793–94. http://dx.doi.org/10.1007/s10409-010-0396-6.

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31

Aksel, Nuri, Hans Irschik, Michael Krommer, and George Weng. "Cristian Marchioli to succeed Alfredo Soldati as an Editor of Acta Mechanica." Acta Mechanica 228, no. 4 (April 2017): 1211. http://dx.doi.org/10.1007/s00707-017-1838-z.

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32

Fang, Daining. "Preface to the 30th Anniversary Special Issue of Acta Mechanica Solida Sinica." Acta Mechanica Solida Sinica 31, no. 5 (September 25, 2018): 523–24. http://dx.doi.org/10.1007/s10338-018-0057-z.

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Shen, Li. "Correction to: Copyright Volume 31, Issues 1–4, Acta Mechanica Solida Sinica." Acta Mechanica Solida Sinica 31, no. 6 (November 22, 2018): 804. http://dx.doi.org/10.1007/s10338-018-0069-8.

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DERMAUT L. "Koninklijke Academie voor Geneeskunde van België. Orthodontie: raakvlak tussen biologie en mechanica." Tijdschrift voor Geneeskunde 60, no. 13 (January 1, 2004): 986. http://dx.doi.org/10.2143/tvg.60.13.5001918.

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SAMUEL, ANDREW, and DAMIAN HORRIGAN. "Engineering Design with a ‘User-fluent’ Finite Element Package: MECHANICA/Applied Structure." Journal of Engineering Design 6, no. 1 (January 1995): 57–68. http://dx.doi.org/10.1080/09544829508907903.

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36

Tang, Yue, and Feng Jiang. "Study and Analysis on the Thermal Simulation of the Pressing Rollers in the Forming Process of Radial." Advanced Materials Research 753-755 (August 2013): 171–75. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.171.

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By comparative research and analysis of radial tire building machine with pressure-process of hot roll in 3 different heating programme of the pressure roller;Combined with thermal analysis in the Pro/MECHANICA module, Rollers by means of finite element analysis method for the model, boundary conditions and physical properties determination; Eventually through the establishment of the steady-state distribution of research, using different heating programme, through the analysis of optimal heating programme.

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SATO, Yoshiki, Jyo SHIMURA, Kazuyuki MINEO, Takayuki HIRAMA, and Takuo SUZUKI. "20404 Jointing Performance Evaluations and Mechanica! Properties of Various Earthquake-proof Reinforced Members." Proceedings of Conference of Kanto Branch 2013.19 (2013): 297–98. http://dx.doi.org/10.1299/jsmekanto.2013.19.297.

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Strauss, R. M., and C. I. Harrington. "Stump acne: a new variant of acne mechanica and a cause of immobility." British Journal of Dermatology 144, no. 3 (March 2001): 647–48. http://dx.doi.org/10.1046/j.1365-2133.2001.04116.x.

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Yang, Xian Hong. "Design and Finite Element Structural Analysis of the Pin Tooth Gear." Advanced Materials Research 710 (June 2013): 247–50. http://dx.doi.org/10.4028/www.scientific.net/amr.710.247.

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Based on the structural characteristics of the gear drive pin, the use of Pro/E software parametric feature modeling capabilities to complete the three-dimensional shape of the gear, the gear and then use MECHANICA module to complete the creation of the finite element model, and finally using ANSYS finite element model of computing gear solving and simulation, thus completing the gear of virtual design. The design, high efficiency, easy operation, easy to modify the designer; it is in the engineering field has a certain reference.

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Li, Cheng Qun, and Chao Sun. "Study on Lock Mechanism of Coil Strapping Machine." Advanced Materials Research 476-478 (February 2012): 1468–71. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.1468.

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The thesis studies the lock body of coil binding machine. It suggests that a convertible drive lock body just need a cylinder drive to complete lock molding, pressure strip, lock, and cut off, so as to simplify the locking body structure. This paper uses the theory of mechanism to analyze the convertible drive lock body. This paper applies Creo Elements/Pro, the 3D model software, to build up lock body model and analyses its structure. This paper also analyses the key components in FEA and strength calculation, using Pro/Mechanica module.

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Yang, Xian Hong. "The Design and Finite Element Analysis for Crane Turntable Gear Based on Pro/E and ANSYS." Advanced Materials Research 710 (June 2013): 243–46. http://dx.doi.org/10.4028/www.scientific.net/amr.710.243.

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The use of Pro/E and their respective advantages ANSYS software product design and engineering analysis to solve the case, first of all in the Pro/E, the completion of three-dimensional helical gear design, and then in the Pro/MECHANICA completed finite element model of helical gear, and then into ANSYS for finite element analysis of bevel gear calculation and simulation, finite element analysis of the final results of optimization design model is presented recommendations for improvement. The product design and engineering analysis method has some reference value in engineering design.

42

Chen, Li Li, Hui Chen, Xiao Xiao Liu, Pan Pan Qin, Zhen Qu, and Lu Ning Yu. "Research on Cylinder Drop Stamping Part of Heat Recovery Regularity Based on Pro/Mechanica." Advanced Materials Research 588-589 (November 2012): 1837–41. http://dx.doi.org/10.4028/www.scientific.net/amr.588-589.1837.

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There are large quantities of heat is wasted in the producting process of cylinder drop stamping part, it is necessary to recycle the heat from the perspective of environmental protection. In this paper the waste heat recovery system that based on heating pump were analyzed, building up cylinder drop stamping normalizing temperature curve and observed metallographic microstructure of the samples at different temperatures. Rapid establishment of geometric model through the use of Pro/Engineer, application of Pro/Mechnica analog normalizing temperature curve, observed the cross-section temperature field nephogram. Based on the analysis, been established by virtual prototype thermal analogue in the Pro/Mechnica with the measured cooling process is consistent. waste heat recovery system which is used in the production of cylinder drop stamping part is effective.

43

Varios, Autores. "Reseñas de libros." Revista de Historia de la Construcción 1, no. 1 (January 21, 2022): 133–43. http://dx.doi.org/10.4995/hc.2021.16840.

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Javier Ibáñez Fernández (coord. y ed.), Trazas, muestras y modelos de tradición gótica en la Península Ibérica entre los siglos XIII y XVI.Enrique Rabasa Díaz - pag.133Xavier Cortés Rocha. Architectura mechanica. La profesión y el oficio.Martha Fernández - pag.135Stefan Holzer. Gerüste und Hilfskonstruktionen im historischen Baubetrieb: Geheimnisse der Bautechnikgeschichte [Andamios y medios auxiliares en la construcción histórica: Secretos de la Historia de la Construcción]Bill Addis - pag.137José Calvo-López. Stereotomy. Stone Construction and Geometry in Western Europe 1200–1900.Alberto Sanjurjo Álvarez - pag.139Bill Addis (ed.). Physical Models Their historical and current use in civil and building engineering design.Santiago Huerta - pag.140

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PARSONS, LINDA. "Cinderella’s Transformation." Study and Scrutiny: Research on Young Adult Literature 5, no. 1 (December 31, 2021): 85–108. http://dx.doi.org/10.15763/issn.2376-5275.2021.5.1.85-108.

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Cinderella’s story endures through countless adaptations. In this study, I analyzed the tropes of the patiently suffering heroine, the cruel stepmother, magical help, beauty as female currency, and being chosen by the prince in Cendrillon (Perrault, 1697), Mechanica (Cornwell, 2015), and Cinder (Meyer, 2012). The (re)visions deconstruct binary gender roles through heroines who liberate themselves from their servitude, prioritize independence over marriage, and experience supportive female relationships. The portrayals of the cruel stepmothers disrupt the trope of powerful women as inherently evil, and the storylines critique the injustices of Othering. These (re)visions reflect contemporary discourses that expand expressions of femininity.

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GEIGER, DANIEL L., and BRUCE A. MARSHALL. "New species of Scissurellidae, Anatomidae, and Larocheidae (Mollusca: Gastropoda: Vetigastropoda) from New Zealand and beyond." Zootaxa 3344, no. 1 (June 13, 2012): 1. http://dx.doi.org/10.11646/zootaxa.3344.1.1.

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Thirteen new species of Scissurellidae (Scissurella regalis n. sp., Sinezona mechanica n. sp., Sinezona platyspira n. sp.,Sinezona enigmatica n. sp., Sinezona wanganellica n. sp., Satondella azonata n. sp., Satondella bicristata n. sp.),Anatomidae (Anatoma amydra n. sp., Anatoma kopua n. sp., Anatoma megascutula n. sp., Anatoma tangaroa n. sp.), andLarocheidae (Larochea spirata n. sp., Larocheopsis macrostoma n. sp.) are described, all of which occur in New Zealandwaters. The greatest geographic source of new taxa is the islands and underwater features off northern New Zealand. The new shell-morphological term “sutsel” is introduced for the area between the SUTure and the SELenizone.

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Shiou, Fang Jung, and Kung Hung Hung. "Determination of the Optimal Geometrical Features of a Microdrill." Applied Mechanics and Materials 284-287 (January 2013): 702–6. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.702.

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The objective of this study is to determine the optimal geometrical features of a microdrill with the diameter of 0.11 mm. The optimal geometrical dominant features of a micro-drill have been determined by carrying out the optimization stress/displacement analysis of the Pro/Mechanica software so that the maximum stress von Mises of the micro-drill was minimal. Based on the verification of the drilling test, the mean total hits to breakage of the micro-drills, fabricated with the determined optimal geometrical features, was 16% more than that of the micro-drills fabricated with the original geometric parameters.

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MAHMOOD, A., and L. ENRIQUE SANSORESA. "THE BAND STRUCTURE AND BULK MODULUS OF CUBIC (3C) AND HEXAGONAL (2H) POLYTYPES OF SILICON CARBIDE." Modern Physics Letters B 16, no. 10n11 (May 10, 2002): 383–92. http://dx.doi.org/10.1142/s0217984902003841.

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Silicon carbide (SiC) is a high band-gap semiconductor material, which has very important and interesting characteristics for novel semiconductor applications. We have studied the cubic (3C) and hexagonal (2H) polytypes of this important material. For the band structure calculations of these polytypes, the density functional and total-energy technique have been applied in the generalized gradient approximation, which is the most powerful ab initio quantum-mechanica method. The important energy gaps have been determined and compared with the previous theoretical and experimental results. The density of state, charge density and bulk modulus have also been calculated.

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Zhao, Feifei. "Modeling and Thermal-Mechanical Coupling Analysis of Piston in Car Engines." Annales de Chimie - Science des Matériaux 45, no. 1 (February 28, 2021): 83–92. http://dx.doi.org/10.18280/acsm.450111.

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In this paper, finite-element analysis (FEA) is carried out on the temperature field and stress field of automobile engine piston, as well as the thermal-mechanical load coupling stress field. Through the analysis, the authors grasped the thermal load and combined stress distribution of the piston, and thus optimized the piston design to improve its operational reliability. Specifically, a 1/4 solid model of the piston was constructed in the three-dimensional (3D) computer-aided design (CAD) software Pro/ENGINEER, and then converted into a finite-element model in Pro/Mechanica. Then, an alternating load was imposed on the piston model, and fatigue analysis was performed to identify the parts of the piston prone to fatigue failure, and judge whether the piston structure satisfies working requirements. Next, temperature field analysis was carried out on the piston model. The distribution of the steady-state temperature field as determined by applying temperatures and heat transfer coefficients as required by the boundary conditions of the third kind. Finally, the piston model was subject to thermal-mechanical coupling analysis. The stress and deformation distributions of the piston under the coupled stress field were ascertained under the boundary conditions of temperature field distribution and mechanical load. Through the above work, the authors obtained the basis for safety evaluation of piston, laying the foundation for further reducing the thermal load and optimizing the stress distribution of piston.

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Wang, Tie Ling, and Zhao Xia Xi. "FEA and Contrast Test of Slender Shaft Turning." Advanced Materials Research 889-890 (February 2014): 140–43. http://dx.doi.org/10.4028/www.scientific.net/amr.889-890.140.

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Aanalyzed the finite element static characteristics of the slender shaft deformation under the influence of cutting forces with different clamping ways in turning process by Pro/ENGINEER and Pro/MECHANICA software . Also analyzed the influence of clamping ways on the natural frequency of the slender shaft modal characteristics. The result indicates that the static analysis can be applied to the prediction of processing deformation with different clamping ways, the modal analysis can be applied to the calculation of the slender shaft natural frequency with different clamping ways. Can get a basic for reducing machining deformation and vibration, selecting cutting parameters, drawing up technological scheme reasonably.

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Marguță, Alina, Simona-Nicoleta Mazurchevici, Ramona Iuliana Popa, and Marcelin Benchea. "SURFACE CHARACTERIZATION OF ARBOBLEND V2 NATURE COATED WITH CERAMIC MICRO PARTICLES." International Journal of Manufacturing Economics and Management 2, no. 1 (June 20, 2022): 35–40. http://dx.doi.org/10.54684/ijmem.2022.2.1.35.

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The paper aims to investigate the behavior of Arboblend V2 Nature biopolymer samples covered with three ceramic powders, Amdry 6420 (Cr2O3), Metco 143 (ZrO2 18TiO2 10Y2O3) and Metco 136F (Cr2O3-xSiO2-yTiO2). The coated samples were obtained by injection molding, and the micropowder deposition was achieved by using the Atmospheric Plasma Spray (APS) method, with varied thickness layers. The present study will describe the results for nine, seven and five-layer deposition. It was observed that with the increase of the number of deposited layers the surface quality and mechanical/thermal characteristics such as wear and hardness are also increased. The followed determinations were conducted: the adhesion strength and hardness on a microscopic scale by micro-indentation. The samples’ crystalline structure as well as the presence of the Cr2O3 compound signiﬁcantly inﬂuenced the micro-indentation and scratch analysis responses. The novelty of this study is given by itself the coating of the Arboblend V2 Nature biopolymer (as base material), with ceramic microparticles as the micropowder coating material. Following the under-taken study, the increase in the mechanica and tribological characteristics of the samples recommend all three coated biopolymer samples as suitable for operating in harsh conditions, such as the automotive industry, in order to replace plastic materials.

Journal articles on the topic 'Mechanica'

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