A Numerical Study for Rubber Particles Collection Involved in New Thermoforming Composite Process Using COMSOL Multiphysics®
R. Carbone, V. Antonelli, A. Langella, and R. Marissen
Material and Production Engineering Department, Università degli Studi di Napoli Federico II, Napoli, Italy
Institute of Lightweight Structures, Technische Universität München, München, Germany
Design and Production of Composite Structure, Delft University of Technology, Delft, The Netherlands
This paper deal of the forming process applied to the thermoplastic composites. A new thermoforming process that uses rubber particles collection as flexible mould was presented and numerically modeled. A characterization of the rubber in particles form was previously performed to value the material parameters in the user-defined hyperelastic constitutive laws employed in the FEM (Finite Element ...
T. Suzuki, C. Holloway, S. Taylor
University College London, London, UK
Manual wheelchair users suffer shoulder pain and injury in the long term because of unconscious overuse. The ‘SENSEWHEEL’, which interposes three identical load cells between pushrim and rear wheel, measures the three components of pushing force Fx, Fy and Fz, and axial torque Tx applied at each load cell. Strain gauges were located on a diaphragm forming one face of the load cell. The ...
M. Silambarasan, T. Prem Kumar, M. Alagappan, and G. Anju
PSG College of Technology
Tamil Nadu, India
The present work aims to develop a blood pressure sensor using MEMS/NEMS technology. A normal blood pressure detector is used externally, but this work mainly aims for designing an implantable nanotube based sensor for continuous monitoring of blood pressure. The use of COMSOL Multiphysics 4.1 acts as a good platform to develop a nano tube based sensor design by using the MEMS module. The ...
Optimized Cantilever-to-Anchor Configurations of Buckled Cantilever Plate Structures for Transducer Applications
A. Arpys Arevalo Carreno, D. Conchouso Gonzalez, I.G. Foulds
King Abdullah University of Science and Technology, Thuwal, Mecca, Kingdom of Saudi Arabia
The mechanical simulation and analysis of the cantilever-to-anchor configuration for an out-of-plane structure used in transducer applications is reported. The polymer-based Buckled Cantilever Plate “BCP” structure, gives the ability to orient an active device from a horizontal to a vertical position, once assembled. In this paper we compare four different cantilever-to-anchor configurations: ...
I. Lupelli, P. Gaudio, A. Malizia, R. Quaranta
Department of Industrial Engineering, University of Rome “Tor Vergata”, Roma, Italy
In this contribution we present the results of the numerical modeling and performance optimization study of a diaphragm pump for drug infusion. The main objective is to develop a numerical model that replicates the pumping cycle (400ms) and also provides indications about the variation of pumping performance as consequence of the variation of the chamber-diaphragm system geometry, diaphragm ...
Simulation and Analysis of Two Fans Air Speed Match Design in Off-Road Mine Tract Generator Using COMSOL
Y. Shen, D. Wu
Beijing University of Science & Technology, Beijing, China
This paper describes a model of self-ventilated generator cooling on a 170 tons off-road mine dump truck. Considering the space restrictions of mine dump truck, the cooling systems for the generator and the in-wheel motors of the rear axle share one air inlet duct. With the action of generator fan and rear duct fan, cooling air from the inlet duct will be divided into two parts to cool the ...
Prediction of Magnetic Fields, Eddy Currents, and Loads in a Tokamak During a Disruption for Alcator C-Mod's Advanced Outer Divertor - new
J. Doody, B. Lipschultz, R. Granetz, W. Beck, L. Zhou, J. Irby
Massachusetts Institute of Technology, Plasma Science and Fusion Center, Cambridge, MA, USA
York Plasma Institute, University of York, Heslington, York, UK
COMSOL Multiphysics® has been used to predict the magnetic fields, eddy current, lorenz forces and stresses during a disruption for the new Advanced Outer Divertor for the Alcator C-Mod tokamak. A tokamak is used to study magnetic confinement of plasma for fusion, and a disruption occurs when the plasma decays, rapidly losing all of its current. COMSOL has been used to recreate the fields ...
R. C. Thiagarajan
ATOA Scientific Technologies Private Limited, Bangalore, India
Conductive Composites such as carbon fiber reinforced composites are increasingly used in safety critical aerospace applications. The catastrophic macro structural failure of composite structures initiates from a micro level failure event such as fiber breaks. The ability to detect damage early on can improve the safety level and reliability of composite structures. A multilevel self-sensing ...
Evaluation of Low-Cycle-Fatigue Life of Solder Joints in Surface Mounting Power Devices by Finite Element Modeling
N. Delmonte, F. Giuliani, M. Bernardoni, P. Cova
Dipartimento di Ingegneria dell'Informazione, Università degli Studi di Parma, Parma, Italy
CDTR - Centre for Device Thermography and Reliability, H. H. Wills Dept. of Physics, University of Bristol, Bristol, United Kingdom
The reliability of solder joints [1,2] is one of the key factors in the determination of the reliability of the high power density electronic converters, being the solder joints both the mechanical, the electrical, and often the thermal connections between the electronic component and the board in which the component is placed. The main mechanism by which solder joints are damaged is thermal ...
Modeling the Effect of Porosity on the Elastic Properties of Synthetic Graphite Using CT Scans and the Finite Element Method
G. Sowa, R. Paul, R. Smith
GrafTech International Inc., Parma, OH, USA
Predicting the physical properties and performance of carbon and graphite materials based on the microstructure of the finished material is a challenging endeavor. This paper discusses the process and workflow for measuring and analyzing the pore structure of graphite by combining advanced CT image technology with Simpleware’s ScanIP™ software. A stack of scanned CT images are imported into ...