FEM vs. FVM

Ed Fontes November 29, 2018

Finite element methods, finite volume methods, or a hybrid approach: Which is the best choice for CFD? It depends on the fluid flow problem you’re trying to solve.

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Caty Fairclough October 4, 2018

Building physics simulation can help engineers develop more energy-efficient architectural designs. We talked to Built Environments, Inc. to get a few examples of how.

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Siva Sashank Tholeti August 22, 2018

Sparging, the process of bubbling a gas into a liquid, is seen most notably in carbonation, such as for soda and seltzer water. This mass transfer process can be modeled in COMSOL Multiphysics®.

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Mats Nigam August 20, 2018

When setting up fluid flow simulations, at what distance can we apply boundary conditions without interfering with the process? Here, we discuss how to place inlet and outlet boundary conditions.

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Brianne Christopher July 31, 2018

The Oldroyd-B model is used to define viscoelastic behavior in fluids such as clay, toothpaste, and oil. We present a benchmark model for a fluid with viscoelastic behavior under strain.

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Bridget Paulus July 30, 2018

You can analyze the fluid flow in a transonic diffuser using CFD simulation. Get details in this blog post featuring a benchmark model based on research by M. Sajben et al.

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Nathan Martin July 17, 2018

This post highlights a gradient-based optimization method that geophysical engineers can use to analyze, for instance, the movement and sensitivity of a glacier.

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Brianne Christopher July 4, 2018

Chemical engineers can model tubular reactors to optimize them for specific manufacturing and production processes, such as for the polymerization of polyester, as this example shows.

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Brianne Christopher June 25, 2018

Mechanical engineers can analyze the design of centrifugal pumps using the Frozen Rotor Approximation, which is available in the Mixer Module, an add-on to the CFD Module.

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Christian Wollblad June 13, 2018

Learn how to use a variety of meshing tools for your CFD analyses, including mapped mesh, unstructured quad mesh, triangular mesh, tetrahedral mesh, swept mesh, boundary layer mesh, and more.

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Christian Wollblad June 11, 2018

As a flow mechanics specialist preparing a mesh for CFD analysis, the geometry supplied by a CAD team is often exactly what you do not want. So, what do you do?

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