LED Bulb Cooling Simulation with COMSOL
LED bulbs are preferred for their longevity and energy efficiency, but 70% of electrical power is lost as heat. This simulation using COMSOL optimizes the design to prevent overheating by considering heat sources, heat transfer, natural convection, and boundary conditions. Results show efficient coo
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Understanding Magnetic Damping in Conducting Solids
When a conductive solid moves through a magnetic field, eddy currents are induced, creating an interaction that leads to magnetic damping. This phenomenon, known as magnetic damping of vibrating conducting solids, plays a crucial role in various applications and can be analyzed using tools like COMS
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Ultraviolet Water Reactor Fluence Rate Calculation Model
This model demonstrates the calculation of fluence rate in an annular ultraviolet water reactor using COMSOL. The purpose is to assess radiation absorption by pathogens based on the fluence rate. Water between two concentric cylinders is considered, with the inner cylinder housing a UV lamp emitting
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Modeling Natural Convection Cooling of a Vacuum Flask in COMSOL
This example demonstrates the modeling of natural convection cooling in a vacuum flask holding hot coffee using COMSOL. It compares two approaches to describe thermal dissipation, focusing on calculating the flask's cooling power over time. Results include temperature analysis, heat transfer coeffic
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Friction Stir Welding of Aluminum Plate: COMSOL Simulation
Manufacturers use friction stir welding to join aluminum plates efficiently. This modern method generates frictional heat to soften the aluminum, allowing dissimilar materials to be welded together. The model in COMSOL considers heat transfer and boundary conditions to simulate the welding process,
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Nanofabrication Design Review Meeting for Microfluidic Mixer Development
Evaluating the design, fabrication, and testing of a passive three-dimensional micromixer incorporating split and recombine structures for efficient mixing at varying flow rates. Comsol multi-physics simulations optimized channel parameters resulting in a compact mixer design with enhanced mixing ca
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Thermal Analysis of a Bipolar Transistor Using COMSOL
This model utilizes a COMSOL simulation to analyze the thermal behavior of a bipolar transistor. The heat transfer within the device is calculated to determine the temperature distribution. Various plots, such as the Gummel plot and current gain curve, illustrate the collector and base currents as f
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Understanding Neutralization of Proton Beam Using Charge Exchange Cell in COMSOL
In various applications, collisions of neutral particle beams with target materials play a crucial role. This process involves neutralizing high-velocity proton beams by passing them through a charge exchange cell filled with neutral gas, such as argon. The cell allows protons to capture electrons f
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Multiphysics Coupling for Thermal Connection in COMSOL
Establishing continuity of temperatures between volume and shell domains through surfaces in a model can reduce computational costs. Learn how to set up the Thermal Connection, Layered Shell, Surfaces multiphysics coupling node in COMSOL for heat transfer simulations. Compare results between configu
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Thermal Fatigue of a Surface Mount Resistor: A COMSOL Analysis
A COMSOL analysis is conducted on the thermal fatigue of a surface mount resistor subjected to thermal cycling. The study focuses on the solder joint, structural integrity, and life prediction using fatigue models. Various aspects of the resistor assembly, including material composition, dimensions,
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Analysis of Torsion in Isotropic Cosserat Elastic Cylinder using COMSOL
Explore the extension of linear elastic material model to a Cosserat material, including microrotation degrees of freedom, with a focus on a cylindrical bar under pure torsion. Investigate the impact of Cosserat length scale parameter on the system response, analyzing different zones of behavior. Re
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Piezotronic Effect Modelling of ZnO Nanowires Under Arbitrary Loading
Explore the multi-physics modelling of the piezotronic effect in ZnO nanowires under arbitrary loading. The research team led by Dr. M. El Hachemi presents innovative designs of micro-strain sensors and piezotronic cantilever sensors, with applications in fields like robotic manipulation and spectro
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Surface-to-Surface Radiation Verification and Boundary Detection in COMSOL
Explore the verification of surface-to-surface radiation setups in COMSOL, detecting incorrect radiation configurations with nonradiating boundaries. Learn how to identify and resolve nonradiating boundaries, ensuring accurate and effective radiation simulations. Discover the importance of selecting
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Chloroprene Rubber Compression Test Using COMSOL
Elastomers and biological materials exhibit strain rate dependent mechanical behavior and hysteresis when subjected to cyclical loads. This example demonstrates the use of the Polymer Viscoplasticity feature in the Nonlinear Structural Materials Module for modeling such phenomena using the Bergstrom
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