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מאי
08
2018
אירועים בתאריך 08 במאי 2018

יריד תעסוקה 2018

תאריך:8.5.2018
שעה:00:00
מיקום: בנין EM
זמן תחילת האירוע: 11:00
זמן סיום האירוע: 15:00
הגוף המארגן: המרכז לפיתוח קריירה, דקנט הסטודנטים
קהל יעד: סטודנטים ובוגרים מהמחלקות השונות של הנדסה
תיאור האירוע: יריד התעסוקה כולל עשרות חברות מובילות במשק הישראלי, המגיעות לקמפוס המכללה מנת לגייס לשורותיהן את הסטודנטים והבוגרים של המכללה האקדמית להנדסה אורט בראודה. היריד מאפשר לסטודנטים/יות ולבוגרים/ות: •להיפגש ולשוחח עם נציגי החברות המשתתפות •לקבל מידע אודות אפשרויות ההשתלבות במשרות הפנויות בחברות אלו •להגיש את קורות החיים שלהם/ן במקום
שם איש קשר: טלי שלו וייס
דוא"ל: career@braude.ac.il

סמינר המחלקה להנדסת מכונות

תאריך:8.5.2018
שעה:00:00
מיקום: בכיתה 299D1 במכללה
זמן תחילת האירוע: 12:20
זמן סיום האירוע: 13:40
הגוף המארגן: המחלקה להנדסת מכונות
דמי השתתפות: חינם
קהל יעד: כולם
תיאור האירוע: _ _ _ Research Activities on Polymer Processing Prof. Roberto SPINA Politecnico di Bari The seminar will be focused on use of polymeric materials in interdisciplinary applications, related to the multiphysics and multiscale study of crystallization, the characterization of materials for additive manufacturing and the study of a material for a large physic experiment. Crystallization of isotactic polypropylene in different shear regimes The investigation of the shear-induced crystallization of isotactic polypropylene in isothermal conditions in different shear regimes is the aim of the present research. A multiscale framework is developed and implemented to compute the nucleation and growth of spherulites, based on material parameters needed to connect crystallization kinetics to the molecular material properties. The framework consists of a macro-model based on a Finite Element Method linked to a micro-model based on Cellular Automata. The main results are the evolution of the crystallization degree and spherulite space filling as a function of imposed temperature ash shear rate. Characterization of PLA parts made with AM process The main objective of the presented work is to evaluate the thermal behavior of Poly-lactic acid (PLA) parts made with a Fused Deposition Modeling (FDM) process. By using a robust framework for the testing sequence of PLA parts, with the aim of establishing a standard testing cycle for the optimization of the part performance and quality. The research involves study the materials before and after 3D printing. Two biodegradable PLA polymers are investigated, characterized by different colors (one black and the other transparent). The study starts with the examination of each polymeric material and measurements of its main thermal properties. Study of PMMA materials for a Digital Optical Module This work illustrates the material characterization to realize of a prototypal polymeric cover of a Digital Optical Module for the Hyper-Kamiokande neutrino experiment. The cover was made of a high transmittance poly-methyl methacrylate (PMMA), used as a glass substitute. The main objective of the present research is to investigate the structural and optical properties of PMMA, evaluating the respect of the project specification. Small CV Roberto SPINA is a Professor in "Manufacturing Systems and Technology" at Politecnico di Bari since 2004. Born in San Paulo (Brazil), he graduated in Mechanical Engineering at Politecnico di Bari in 1996 and received is Ph.D. degree in Industrial Engineering from Politecnico di Bari in 2000. He is lecturer of “Manufacturing of Aeronautical Materials“ (BSc in Mechanical Engineering), Material Science (MSc in Mechanical Engineering) and “Integrated Manufacturing Systems” (MSc in Industrial Engineering). He carried out research in the fields of manufacturing processes and systems from 1996. During his research activities, he realized more than 101 papers, published on international journals, books and conferences, mainly based on theoretical and numerical/experimental approaches. His current research areas are related to Plastic and Metal Injection Moulding, Laser Material processing, Optimization of Manufacturing Processes and Systems, Planning and Scheduling. He is actually the scientific responsible of the DM3-Polylab (http://www.poliba.it), laboratories devoted to polymer thermo-physical characterization and injection moulding of thermoplastic materials, located at Dept. of Mechanics, Mathematics and Management. He is visiting professor and invited researcher at Institut für Kunststoffverarbeitung (IKV) at RWTH Aachen from 2010, and he received the DAAD research grant for professors. He carried-out research activities with The Penn State University. He is actually member of The Society of Plastics Engineers (SPE), Institute of Photonics and Nanotechnologies (CNR-IFN), Italian Association of Manufacturing Technicians (AITEM), Computational Mechanics Centre (CEMeC) of Politecnico di Bari. From institutional point of view, he is a member of the University Council. He was Academic Coordinator of the MSc in Industrial Engineering (2009-2012), ERASMUS coordinator (2008-2011) and in the Department Board (2009-2012).
שם איש קשר: עמליה
דוא"ל: amhaim@braude.ac.il

סמינר המחלקה למתמטיקה

תאריך:8.5.2018
שעה:00:00
מיקום: EM303
זמן תחילת האירוע: 13:00
זמן סיום האירוע: 14:00
הגוף המארגן: המחלקה למתמטיקה
קהל יעד: פתוח לכולם
תיאור האירוע: Speaker: Dr. Eliezer Appleboim, Technion Title: Quasi-normal surfaces and approximations of least area surfaces in 3-maniflods Abstract This work presents an approximation method by simple pieces of least area surfaces in 3-manifolds. In [JR] a piecewise linear (PL) version of minimal and least area surfaces is presented. This PL version is based on normal surfaces. A normal surface in a 3-manifold is a surface that intersects a given triangulation of the manifold in a special simple manner. It was shown in [JR] that PL-minimal and least area surfaces share many of the properties of classical differential geometric least area surfaces. However, the extent at which this analogy holds if far from being fully understood. For instance, the following question is very natural in this context, yet it is still open: Question: Can every minimal surface in the smooth sense, be presented as a limit surface of a sequence of PL-minimal surfaces, appropriately constructed? Addressing the above question is the main theme of this work. Specifically, a method of approximating a least area surface by simple pieces will be given. It will be shown that there exist obstructions that prevent the approximating simple pieces from being the PL- minimal surfaces as defined in [JR]. A modified version of PL-minimal surfaces will be defined, and it will be shown that this family of surfaces yields a good approximation of least area surfaces, i.e., a least area surface is a limit surface, in an appropriate sense, of a sequence of simple approximating surfaces, and the area of the given least area surface is also the limit of the areas of the approximating surfaces. This study is of major interest of its own sake, since it gives a new topological insight and understanding of known geometric results about the global behavior of least area surfaces. Potential applications of this study in the areas of Image Processing and Computer Graphics will also be discussed. Examples are the problem of removing noise from an image, and finding the shortest path on a triangulated surface. Some preliminary experimental results will be shown. Reference: [JR] W. Jaco and H. Rubinstein, PL-Minimal Surfaces in 3-Manifolds, J. Differntial Geometry, 27, 1988.
שם איש קשר: פרופ' חגי כתריאל
דוא"ל: katriel@braude.ac.il