В галерее представлены файлы учебных моделей и приложений COMSOL Multiphysics® для решения электротехнический, механических, акустических, гидродинамических, тепловых и химических задач. Используйте эти примеры как отправную точку в ваших собственных исследованиях, скачивайте учебные модели, демонстрационные приложения и подробные описания к ним. Чтобы найти модели и приложения, относящиеся к сфере ваших интересов, воспользуйтесь функцией быстрого поиска, а затем войдите в систему или создайте учётную запись COMSOL® Access, связанную с действующей лицензией COMSOL®, чтобы скачать .MPH-файлы моделей. Обращаем внимание, что большую часть этих примеров можно также найти во встроенной в COMSOL Multiphysics® библиотеке приложений Application Libraries. Открыть библиотеку приложений можно через меню File.

Flow Past a Cylinder

The following model examines unsteady, incompressible flow past a long cylinder placed in a channel at right angle to the oncoming fluid. The cylinder is offset somewhat from the center of the flow to make the steady-state symmetrical flow unstable. The simulation time necessary for a ... Читать дальше

Cable Tutorial Series

In this set of eight tutorial models and associated documentation, you can investigate the resistive, capacitive, inductive, and thermal properties of a standard three-core lead-sheathed XLPE HVAC submarine cable with twisted magnetic armor (500 mm2, 220 kV). The series includes a 2D, 2D ... Читать дальше

Optimization of a Heat Exchanger with Turbulent Flow

Commercial heat exchangers often feature a complex design. It is significantly easier to build a design with new CAD parameters than to build designs with novel topologies. This model demonstrate how to optimize the size and position of the tubes in a tube and shell heat exchanger. It is ... Читать дальше

Laser Heating of a Silicon Wafer

A silicon wafer is heated up by a laser that moves radially in and out over time. In addition, the wafer itself is rotated on its stage. The incident heat flux from the laser is modeled as a spatially distributed heat source on the surface. The transient thermal response of the wafer is ... Читать дальше

Modeling Vibration and Noise in a Gearbox: Bearing Version

This example is an extension of a model used to study the vibration and noise in a 5-speed synchromesh gearbox in a manual transmission vehicle. In this version of the model, a detailed representation of a roller bearing is used instead of hinge joints with elastic stiffness. First, the ... Читать дальше

Bracket — Structural Mechanics Tutorials

The bracket models are used as an introduction to structural mechanics modeling with the Structural Mechanics Module. The following features are introduced: The fundamentals: static linear analysis Parametric study Including initial strain Modeling thermal expansion Adding a rigid ... Читать дальше

Modeling Vibration and Noise in a Gearbox

A gearbox is used to transfer power from an engine to its associated wheels or cogs, which can result in radiating noise to the surroundings. This is due to the transmission of undesired lateral and axial forces on the bearings and housing, while transmitting power from one shaft to the ... Читать дальше

Stresses and Strains in a Wrench

This tutorial demonstrates how to set up a simple static structural analysis. The analysis is exemplified on a combination wrench during the application of torque on a bolt. Despite its simplicity, and the fact that very few engineers would run a structural analysis before trying to turn ... Читать дальше

Heat Transfer by Free Convection

This example describes an array of heating tubes submerged in a vessel with fluid flow entering at the bottom. This is a multiphysics model because it involves fluid dynamics coupled with heat transfer. The pressure and the velocity field are the solution of the Navier-Stokes equations, ... Читать дальше

Permanent Magnet

As an example of a magnetostatic problem, consider how to model a horseshoe-shaped permanent magnet. One way is to treat the entire magnet as a ferromagnetic material, where the two end sections are defined as being pre-magnetized in different and opposite directions. Читать дальше

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