Sehen Sie, wie die Multiphysik-Simulation in Forschung und Entwicklung eingesetzt wird
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Sehen Sie sich die Kollektion für die COMSOL Conference 2023 an
Analysis of a Plasma-Mediated Photoacoustic Response From Plasmonic Nanoparticles in Ultrashort Regime
Over the last decade, plasmonic nanoparticles (PNPs) have received growing interest as exogenous contrast agents in the thermal expansion based photoacoustic (PA) imaging technique in biomedical applications [1]. Such functionality is due to the localized surface plasmon resonance (LSPR) ... Mehr lesen
Design and Analysis of a Three-DOF Piezoelectric Vibration Energy Harvester
Introduction: Vibration energy harvester can convert mechanical vibration energy into electrical energy and store it in battery for later use. It can create clean renewable energy from vibration movements such as walking, jumping, running, etc. This can convert energy previously wasted ... Mehr lesen
COMSOL Multiphysics® Software Activities Within the Research Reactors Division of Oak Ridge National Laboratory
INTRODUCTION Our group at ORNL started using COMSOL Multiphysics® software shortly after version 3.0 was released in the Spring of 2004. After 11 years and several releases, the application usage has grown along with number of licenses we are responsible for. This paper will broaden ... Mehr lesen
Thermal Stresses in Functionally Graded Metal-Ceramic Plates
Functionally graded composite materials are attracting interest among design engineers since structural component properties can be designed and customized into finished parts through processing. The controlled variable is the concentration of reinforcing particles at various points ... Mehr lesen
Uncertainty of FEM Solutions Using a Nonlinear Least Squares and Design of Experiments Approach
Uncertainty in COMSOL Multiphysics® software simulations due to (a) model parameter uncertainties and (b) mesh-induced truncation errors, is estimated using a design-of-experiments approach [1, 2, 3], and a nonlinear least squares logistics fit method [4, 5], respectively. Examples to ... Mehr lesen
Modeling and Simulation of High Sensitivity CMOS Pressure Sensor Using Free Boundary Circular Diaphragm Embedded on Ring Channel Shaped MOSFET
Sensors have diverse applications ranging from medical field to space explorations. They convert physical parameters such as temperature, pressure, humidity etc: - into an electrical output. The discovery of piezoresistivity property of silicon and germanium led to miniaturization of ... Mehr lesen
Analysis of Cost Effective Vertical Axis Wind Turbine (CEVAWT)
Wind turbines are the conventional type of energy source. The main focus of this work is the analysis and fabrication of cost effective VAWT. Cost of the turbine is reduced by low cost material and minimizing its total weight. There are two main types of the wind turbines i.e. Horizontal ... Mehr lesen
Determination of the Fundamental Resonant Modes of a Polysilicon H-Beam Using COMSOL Multiphysics® Software
A Polysilicon H-beam is a micro-machined structure consisting of two primary members connected by a third member of much lower width and much greater aspect ratio. This structure exhibits interesting vibration behavior at specific frequencies which are known as resonant modes. A ‘mode’ ... Mehr lesen
Optimization of Smart Diaphragm Material for Pressure Sensor in Ventilators
A medical ventilator is an imperative device used to save life by delivering an assortment of air and oxygen into and out of the patients’ lungs to administer breathing or to assist obligatory breathing. The commercially available diaphragm based pressure sensors made up of silicon ... Mehr lesen
MEMS Based Silicon Load Cell for Weighing Applications
Load cells are force sensors, which are used in weighing equipment. The objective of this work is to develop MEMS based load cell. In this work two different load cell designs were simulated. First design is based on compressing a meander like polysilicon strain gage for the measurement ... Mehr lesen