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Showing 1 to 20 of 117 for “"COMSOL Multiphysics"”.
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Fluid Flow Characterization and In Silico Validation in a Rapid Prototyped Abdominal Aortic Aneurysm Model
… the velocity of the fluid within the aneurysm. COMSOL Multiphysics® was used to create a computational model of the same aneurysm, as well as obtain velocity measurements to statistically compare to those from the physical construct. There was no significant difference between the velocity …
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Modeling and Optimizing IPMC Microgrippers
… (Ionic Polymer Metal Composite) fingers. Using Comsol Multiphysics and modeFRONTIER, these fingers were modeled and optimized for both force exerted and deflection. Using the Comsol model, we were able to determine the tip deflection and force output of many different IPMC fingers which were …
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Thermal Performance of AlGaN/GaN Based Power Switching Devices for Transformerless Inverters
… cost and time required for the design process. COMSOL Multiphysics is a Finite Element Method simulation software that has capabilities of combining different physics interfaces to simulate the effects of multiple interdependent physical phenomena. The use of these materials in switching devices …
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Fluid Flow Characterization and In Silico Validation in a Rapid Prototyped Aortic Arch Model
… silico model using the finite elements program COMSOL MultiPhysics® Modeling Software. The physical model was created from a patient CT scan of the aortic arch using additive manufacturing (3D printing) and polymer casting, resulting in the shape of the aortic arch within a transparent, silicone …
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Optimalizace metody měření magnetické susceptibility
… metodu a to pro 1D, 2D a 3D za pomoci prostředí Comsol Multiphysics. V praktické části je provedeno měření vybraných vzorků v tomografu Ústavu přístrojové techniky Akademie věd v Brně. Změřená data jsou zpracovány v programech Marevisi a Matlab. V prostředí Matlab je napsán program pro …
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Highly doped semiconductors for plasmonic waveguides and flat-composite gratings
… both doped semiconductors and noble metals. A COMSOL Multiphysics model for these waveguides is demonstrated, with a high degree of automation. In addition, I demonstrate lateral control of carrier concentration in doped silicon, by patterning commercially available spin-on dopants down to the …
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Numerical Analysis of Multi-Functional Surface Acoustic Wave Sensor
… numerical analyses are performed using COMSOL Multiphysics to validate the theoretical results. Various postprocessing responses of the propagated SAWs in both time and frequency domains, such as time delay, insertion loss, and frequency shift, are examined to evaluate the device …
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Numerical simulations of experimental results in a power unit to validate the energy output resulting from gas pressurizations on nanoparticles
… a numerical model was created using the software COMSOL Multiphysics©. From the model, the order of value of the heat release during the pressurizations has been found to be 400 joules. From the data available, a comparison to the potential chemical energy release has been started in order to …
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Study of radio frequency inductively coupled thermal plasma torch (RF ICPT) for radioactive waste treatment: thermoplastics - polyethylene and polyvinyl chloride (PVC)
… was designed in SOLIDWORKS and simulated using COMSOL Multiphysics software, and its thermal behavior was studied. Its applicability including advantages and shortcomings for such use was studied.
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Thermodynamic modeling of solder melting and solidification for proposed squishbot design
… entry into normally inaccessible areas. By using COMSOL Multiphysics, a simple model was developed and tested. Under these conditions, the solder melting phase transition took 2.25 seconds to melt and 2.65 seconds to solidify. These results, as well as observations about the behavior of the …
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Integrated optimization approach for plasma-based radioactive waste treatment process
… fluid dynamics (ANSYS), plasma simulations (COMSOL Multiphysics), and process modeling (Aspen Plus) into a unified workflow, enabling automated data exchange and coordinated parameter updates. Optimization is performed using genetic algorithm, with candidate solutions evaluated across all …
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Development and Validation of a Bidirectionally Coupled Magnetoelastic FEM Model for Current Driven Magnetostrictive Devices
… and magnetic boundary value problems using COMSOL Multiphysics 3.4 (Finite Element Modeling software) with an energy-based non-linear magnetomechanical constitutive model. The BCMEM was used to simulate actuator load lines and four point bending results for Galfenol, which were then compared …
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Developing Magnetic Tweezers for Magnetic Material Manipulation
… resulted forces. An axisymmetric 2D model using COMSOL Multiphysics has also been developed to analyze the magnetic field and force acting on the superparamagnetic beads based on experimental design.
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A Quasi-Thermal-Mechanical-Biological Model of the Ste-Sophie, QC Landfill
… a corresponding numerical model was set-up in COMSOL Multiphysics to simulate the temperatures within the vertical waste profile. Thermal conductivity was varied with depth and time in the waste profile. An aerobic heat generation model was proposed that related the aerobic heat generation rate …
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Bioparticle capture and sensing utilizing nanograss based microfluidic devices
… by multiple approaches. In addition, COMSOL Multiphysics is used for finite element simulation of the flow through the microfluidic chamber. The EIS method is used to evaluate the capture and sensing ability of the fabricated nanograss embedded microfluidic device. The nanograss …
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First steps toward the construction of a channel cell for electrochemical studies under hydrothermal conditions
… conditions. A numerical simulation software, COMSOL Multiphysics, was used to analyze the experimental results. At the same time, the thermal stability of hydroquinone (H2Q) and 1,4-benzoquinone (BQ), a redox couple that it could be used to extend the evaluation of the CFC to higher …
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Experimental investigation of photocatalytic hydrogen production with boron-doped TiO2 and multi-walled carbon nanotubes-TiO2
… reactor designs are proposed and simulated on COMSOL Multiphysics software in order to improve the flow of the hydrogen bubbles inside of the reactor. The simulation results showed that the amount of hydrogen at the beginning for the three designs 1.19 𝑐𝑚2 drops to 0.078 𝑐𝑚2 which shows 32.5% …
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Mathematical Modeling of An Anode-Supported Micro-Tubular Sofc Powered by Ammonia
… and charge, which are solved simultaneously by COMSOL MULTIPHYSICS 4.1a. We investigated the effects of the operating conditions (e.g. temperature and initial fuel composition) and the micro-structural properties (e.g. anode porosity, tortuosity and thickness) on the electrochemical properties …
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Real time, integrated, paper based temperature sensor for lab on a chip device
… temperature of fluids inside the two channels. COMSOL Multiphysics 5.1 is used to simulate the single-phase laminar fluid flow and heat transfer in the microchannel of the device. The design of the microfluidic channel is optimized to decrease heat sensing times of the sensor using the …
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DESIGN AND ANALYSIS OF THE ROTOR OF A FULLY SUPERCONDUCTING MACHINE
… and is based on parametric design methods. COMSOL MultiPhysics has been used to validate the mechanical calculations including the thermal stress, strain, displacement and torque induced stress and deformation. This parametric model allows us to get the relationship between stress/strain and …
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