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The problem of pressure: the intrigue of hydrodynamics - Flow Illustrator

http://www.flowillustrator.com/fluid-dynamics/pressure.php

Easy to use flow simulation tool. Is this for me? Symmetric potential flow past a cylinder. Asymmetric potential flow past a cylinder. The problem of pressure: the intrigue of hydrodynamics. Hydrodynamics is the name of the branch of fluid dynamics that considers incompressible flows. Let us say that we know the entire state of the flow at a certain point in time that is that we know the velocity, pressure, and all other relevant quantities at every point in the flow domain. We want to predict the fl...

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Consulting - Flow Illustrator

http://www.flowillustrator.com/consulting-services.php

Easy to use flow simulation tool. Is this for me? Symmetric potential flow past a cylinder. Asymmetric potential flow past a cylinder. For professional advice on a large variety of topics in fluid dynamics, or to order a research study please directly contact Prof. Sergei Chernyshenko. At schernyshenko@imperial.ac.uk. Welcome to Flow Illustrator. Once you are ready you can make your video on this page. If you would like to know more about the parameters used on the page they can be found here. The simula...

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Preparing your image - Flow Illustrator

http://www.flowillustrator.com/prepare-your-image.php

Easy to use flow simulation tool. Is this for me? Symmetric potential flow past a cylinder. Asymmetric potential flow past a cylinder. On receiving the picture from the user, the flow simulation tool will use the white parts of the image as the place in which the fluid (air or water) will flow and anything other than white will be the body determining the outcome of the flow. The simulation run by the Flow Illustrator will result in a video that can be downloaded and watched on your computer. This is an ...

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Incompressibility - Flow Illustrator

http://www.flowillustrator.com/fluid-dynamics/incompressibility.php

Easy to use flow simulation tool. Is this for me? Symmetric potential flow past a cylinder. Asymmetric potential flow past a cylinder. Everyone knows that mass is conserved. What does this mean for a fluid flow? Stands for the cross-section area and v is the velocity across it. This is, indeed, simple. Although rare, there are flows in which the free path of the molecules is not small enough as compared to the characteristic dimensions of the flow. This might be the case for spaceships in the upper a...

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Understanding vorticity - Flow Illustrator

http://www.flowillustrator.com/fluid-dynamics/vorticity.php

Easy to use flow simulation tool. Is this for me? Symmetric potential flow past a cylinder. Asymmetric potential flow past a cylinder. Vorticity is one of the most important and most useful notions in fluid dynamics. Then, what can be called an angular velocity of the fluid at the point of intersection of these two material lines? Note that in three-dimensional case material lines can be stretched by the flow. This is important, but does not change the definition of vorticity. If the vorticity distributi...

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Submit your image to run your online flow simulation - Flow Illustrator

http://www.flowillustrator.com/run-flow-simulation.php

Easy to use flow simulation tool. Is this for me? Symmetric potential flow past a cylinder. Asymmetric potential flow past a cylinder. Submit your image to run your online flow simulation. Please make sure to have uploaded an image before submitting (you will see it replacing the default once is uploaded). Currently only the jpg, bmp and png file formats are supported. If you have an image in another format please convert it to one of those before continuing. In the numerical calculation. If you would li...

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Lagrangian and Eulerian viewpoints - Flow Illustrator

http://www.flowillustrator.com/fluid-dynamics/lagrangian-eulerian-viewpoints.php

Easy to use flow simulation tool. Is this for me? Symmetric potential flow past a cylinder. Asymmetric potential flow past a cylinder. Lagrangian and Eulerian viewpoints. Imagine two people, Mr. Euler. And Mr. Lagrange. We will now introduce a simple notation, which will be convenient in what follows. In general, the temperature. Of the fluid varies from point to point and is therefore a field:. The Eulerian, also called local, derivative is denoted similarly, but using a special form of the letter d :.

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Reynolds number and dynamic similarity of fluid flows - Flow Illustrator

http://www.flowillustrator.com/fluid-dynamics/reynolds-number.php

Easy to use flow simulation tool. Is this for me? Symmetric potential flow past a cylinder. Asymmetric potential flow past a cylinder. Reynolds number and dynamic similarity of fluid flows. When analyzing a fluid flow, first of all fluid dynamicists calculate the Reynolds number, because its value tells them a lot. Reynolds number is named after Osborne Reynolds. Who was the first to notice that the character of the flow is determined by this number. Reynolds number is usually denoted Re. This is why exp...

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Gallery - Flow Illustrator

http://www.flowillustrator.com/gallery.php

Easy to use flow simulation tool. Is this for me? Symmetric potential flow past a cylinder. Asymmetric potential flow past a cylinder. Sample Images is a library of ready-to-use images and image templates. Flow Snapshots are selected frames from various videos. Video Library contains videos created with the latest version of Flow Illustrator. Legacy Videos were made with the old versions of Flow Illustrator: these videos are liked by many of our veteran users. These pages are now growing. The simulations...

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The language of fluid dynamics - Flow Illustrator

http://www.flowillustrator.com/fluid-dynamics/the-language-of-fluid-dynamics.php

Easy to use flow simulation tool. Is this for me? Symmetric potential flow past a cylinder. Asymmetric potential flow past a cylinder. The language of fluid dynamics. When thinking about fluid flows, fluid dynamicists use special terminology: velocity field and pressure field, fluid particles, material lines, streamlines and streak lines, vorticity, Eulerian and Lagrangian viewpoints. Characteristic dimensions or characteristic scales. This depends on what it is to be compared with. Compared to the s...