In the steelmaking processes, the stirring of the metal bath by argon (or nitrogen) injection is a widely used method to achieve chemical or thermal homogeneity. Computational fluid dynamics can be used as a very powerful tool to gain an... COMSOL Conference 2010, Paris M. Ek, and D. Sichen Materials Science and Engineering, Royal Institute of Technology, Stockholm, Sweden
COMSOL Multiphysics was used to simulate an experiment in which the hygroscopic swelling in an epoxy material was measured along a temperature ramp. A simultaneous solution was sought for temperature and moisture concentration... COMSOL Conference 2010, Boston B.G. Sammakia, S. Madduri, and W. Infantolino Binghamton University, Binghamton, NY, USA
The concept of virtual prototyping can be found linked to many different keywords in the literature: modeling, look-ahead problem solving, etc. This poster paper briefly discusses the potential real benefits that can be realized through... COMSOL Conference 2010, Boston R.W. Pryor Pryor Knowledge Systems, Inc., Bloomfield Hills, MI, USA
Laser direct deposition is a process, different from molding or machining, which allows the producing of fully densified and operational components. This technique involves injecting metal powder through a coaxial nozzle into a melt pool... COMSOL Conference 2010, Paris S. Morville1 , M. Carin1 , M. Muller2 , M. Gharbi2 , P. Peyre2 , D. Carron1 , P. Le Masson1 , and R. Fabro2 1 Laboratoire LIMATB, Université de Bretagne Sud, Lorient , France 2 Laboratoire PIMM, Arts et Métiers ParisTech, Paris, France
Outline of presentation: theory of phase-field modeling of ferroelectric materials parameter identification in free energy density finite element implementation: PDE form weak form periodic boundary... COMSOL Conference 2009, Milan Marc Kamlah Head of the Mechanics of Materials Department, Forschungszentrum Karlsruhe, Germany
The current paper focuses on the creation of a consistent environment for the numerical prediction of the physical properties of polymer composite. A limitation factor for the successful simulation of composite processes is the correct... COMSOL Conference 2009, Milan J. Schumacher1 , P. Fideu2 , G. Ziegmann1 , and A. Herrmann3 1 TU Clausthal-Institute of Polymere Materials and Plastic Engineering, Clausthal-Zellerfeld, Germany 2 CTC GmbH Stade, Stade, Germany 3 Faserinstitut Bremen e.V., Bremen, Germany
In this work, we show that dipolar magnetic coupling can be used to control the particle flow through microfluidic structures without changing the state of motion of the carrier liquid. Also no external magnetic gradient fields are... COMSOL Conference 2009, Milan F. Wittbracht1 , A. Weddemann1 , A. Auge1 , and A. Hütten1 1 Department of Physics, Thin Films and Physics of Nanostructures, Bielefeld University, Bielefeld, Germany
Rotaxanes are a class of molecules recently developed in laboratory that have been heralded as possible molecular motors. The motor is constituted by a linear molecule (thread) and a ring-shaped molecule (macrocycle), which is free to... COMSOL Conference 2009, Milan L. Moro1 , F. Lugli1 , and F. Zerbetto1 1 Department of Chemistry “G. Ciamician”, Università di Bologna, Bologna, Italy
Materials and their related properties are intrinsically fundamental to the creation, development and solution of viable exploratory models when using numerical analysis software. In many cases, simply determining the location,... COMSOL Conference 2009, Boston R. Pryor1 1 Pryor Knowledge Systems, Inc. (COMSOL Certified Consultant), Bloomfield Hills, Michigan, USA
Flip-chip interconnection technologies have been tested through the use of a test chip with embedded single-bump daisy chains. The Flip-Chip technologies are selected among Au bump Thermocompression (TC) with and without Nonconductive... COMSOL Conference 2009, Milan G.S. Durante1 and M. Fretz1 1 CSEM Zentralschweiz, Alpnach Dorf, Switzerland
Strained wrinkled and flat nanomembranes have different bending properties when they are released from the underlying substrate. This is caused by increased bending rigidity of the wrinkled film in one direction. We provide theoretical... COMSOL Conference 2009, Milan P. Cendula1 , S. Kiravittaya1 , J. Gabel1 , and O.G. Schmidt1 1 Institute for Integrative Nanosciences, Dresden, Germany
Since a couple of years, sintering becomes more and more important for power electronics. To press a semiconductor under high temperature in silver paste on a substrate promises benefits for durability. Tests with semiconductors of... COMSOL Conference 2009, Milan M.H. Poech1 , M. Weiß1 , and K. Gruber1 1 Fraunhofer Institute for Silicon Technology, Itzehoe, Germany
A small particle or a nano-sized object placed in a liquid is subject to random collisions with solvent molecules. The resulting erratic movement of the object is known as Brownian motion, which, in nature, cannot be used to any practical... COMSOL Conference 2009, Milan F. Lugli1 and F. Zerbetto1 1 Department of Chemistry “G. Ciamician”, Università di Bologna, Bologna, Italy
Capacitor Discharge Sintering (CDS) is an ultrafast Electric Current Assisted Sintering method (u-ECAS) suited for electrically conductive powders. It is characterized by relatively short processing times (milliseconds range) and much... COMSOL Conference 2009, Milan G. Maizza1 and A. Tassinari1 1 Dipartimento di Scienza dei Materiali ed Ingegneria Chimica, Politecnico di Torino, Torino, Italy
Carbon nanotubes (CNTs) have been proven experimentally to be well suited for field emission applications. An optimized triode configured CNT field emission array is developed using the COMSOL Multiphysics Electrostatics Application to... COMSOL Conference 2009, Boston B. L. Crossley1 , M. Kossler1 , P.J. Collins1 , R. A. Coutu Jr.1 , and L. A. Starman1 1 Air Force Institute of Technology, Wright-Patterson AFB, Ohio, USA
The excessive presence of residual SiC matrix inter-fiber pores is often the main cause for the very poor mechanical strength and toughness of SiC/SiC composites manufactured by CVI (Chemical Vapour Infiltration) process. This work... COMSOL Conference 2009, Milan G. Maizza1 and M. Longhin1 1 Dipartimento di Scienza dei Materiali ed Ingegneria Chimica, Politecnico di Torino, Torino, Italy
COMSOL Multiphysics was used to solve a phonon Boltzmann transport equation (BTE) for nanoscale heat transport problems. One dimensional steady-state and transient BTE problems were successfully solved based on finite element and discrete... COMSOL Conference 2009, Boston S. Sihn1,2 , and A.K. Roy2 1 Air Force Research Laboratory, Wright-Patterson Air Force Base, Dayton, Ohio, USA 2 University of Dayton Research Institute, Dayton, Ohio, USA
The oxidation behavior of metallic nanoparticles is investigated in respect to material parameters like Mott potential, defects on the microstructure and oxide volume increase per ionic defect. An emphasis is laid on magnetic... COMSOL Conference 2009, Milan A. Auge1 , A. Weddemann1 , F. Wittbracht1 , B. Vogel1 , and A. Hütten1 1 Department of Physics, Thin Films and Physics of Nanostructures, Bielefeld University, Bielefeld, Germany
Dr. Naomi Halas is currently Professor of Electrical and Computer Engineering, Chemistry, and Bioengineering at Rice University. She is the inventor of nanoshells, nanoparticles with optical resonances spanning the visible and infrared... COMSOL Conference 2008, Boston Naomi Halas Professor of Electrical and Computer Engineering, Chemistry and Bioengineering, Rice University, Houston, TX, USA
In the case of electron beam welding of copper with stainless steel, two principal cases of welding pool morphology are possible: a droplet-like microstructure where the electron beam deviates to the copper side due to the thermoelectric... COMSOL Conference 2008, Hannover I.Tomashchuk, P. Sallaman, and J.-M. Jouvard Institut Carnot de Bourgogne, Université de Bourgogne, Le Creusot, France
