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COMSOL Multiphysics 案例库模型来自广泛的应用领域,包括电气、机械、流体和化工等行业。您可以下载现成即可使用的模型,以及详细的建模步骤说明,作为您建模工作的起点。请使用“快速搜索”查找与您的专业领域相关的模型,并登录或创建一个与有效的 COMSOL 许可证相关联的 COMSOL Access 帐户,下载模型文件。



Flow Through a Pipe Elbow

Water flow in a 90 degree pipe elbow. The flow is simulated using the k-omega turbulence model. The result is compared to engineering correlations.


乳液是由一种小液滴悬浮在另一种液体中形成的,广泛应用于食品生产,化妆品,以及制药工业。本模型详细研究了在 T 型微流道中如何产生微小液滴。

Laminar Flow in a Baffled Stirred Mixer

This model exemplifies the use of the Rotating Machinery interface, which allows you to model moving rotating parts in, for example, stirred tanks, mixers, and pumps. The Rotating Machinery interface formulates the Navier-Stokes equations in a rotating coordinate system. Parts that are not rotated are expressed in the fixed material coordinate system. The rotating and fixed parts need to be ...

Airflow over an Ahmed Body

The Ahmed body represents a simplified, ground vehicle geometry of a bluff body type. Its shape is simple enough to allow for accurate flow simulation but retains some important practical features relevant to automobile bodies. This model describes how to calculate the turbulent flow field around a simple car-like geometry using the Turbulent Flow, k-epsilon interface. Detailed instructions ...

Inkjet Nozzle - Level Set Method

Inkjet printers are attractive tools for printing text and images because they combine low cost and high resolution with acceptable speed. Designers can vary several parameters to modify a printer’s performance. Simulations can be useful to improve the understanding of the fluid flow and to predict the optimal design of an inkjet for a specific application. Although initially invented to ...

Rising Bubble

The level set method is well suited for problems with moving boundaries in which the geometry’s topology changes with time. A bubble of oil that travels up through water and finally merges with oil at the top causes this kind of topology change. For problems where the topology is unchanged as a function of time, as in free surface movement in a tank (no splashing) and impeller stirring, it is ...

Solar Panel in Periodic Flow

The coupling of fluid flow and structural mechanics is a challenging problem for several reasons. The fluid flow problem usually requires a specific kind of mesh that is not appropriate for structural mechanics. Additionally, one may want to include geometric features in the structural model that are not significant for the fluid flow model. This model computes the structural stresses and ...

Flow Around an Inclined NACA 0012 Airfoil

This model simulates the flow around an inclined NACA 0012 airfoil at different angles of attack using the SST turbulence model. The results show good agreement with the experimental lift data of Ladson and the pressure data of Gregory and O’Reilly.

Capillary Filling - Level Set and Phase Field Methods

This example studies a narrow vertical cylinder placed on top of a reservoir filled with water. Because of wall adhesion and surface tension at the air/water interface, water rises through the channel. Surface tension and wall adhesive forces are often used to transport fluid through microchannels in MEMS devices or to measure, transport and position small amounts of fluid using micropipettes. ...

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