The highlight of the latest Caedium (v6.0) release is an enhanced Computational Fluid Dynamics (CFD) heat transfer capability with multi-domain support for fluids and solids, known as Conjugate Heat Transfer (CHT). Also Caedium can now simulate the dispersal of secondary species (e.g., smoke or dye) in a primary fluid, known as passive species (or scalar) transport.

Conjugate Heat Transfer (CHT) Through and Around a Heat Sink
Simulation shows air vectors and floor colored by temperature

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Conjugate Heat Transfer

CHT models the heat transfer through a solid or shell, coupled with a fluid at shared boundaries. Applications include:

• Electronics cooling, e.g., chip cooling with heat sinks
• Heat exchangers in various industries, e.g., automotive, aerospace, power generation, oil and gas processing

CHT simplifies the specification of heat transfer between a wall and a fluid. Instead of having to define a heat flux on a fluid wall you can now just specify the heat flux on the external wall of a solid (e.g., heat sink) or another fluid (e.g., water-air heat exchanger). Then CHT automatically simulates the heat transfer through the heat source and into the coupled fluid.

Water-Air Heat Exchanger
Simulation shows water vectors colored by temperature

Passive Species Transport

A passive species can represent and track additions such as smoke in airflow and dye in water. It can also provide insights on the dispersion of pollutants carried by a fluid. Since it is passive, the species has identical physical properties to the primary simulation substance and does not react with it. A passive species is similar to massless particles (streamlines) except instead of being released at discrete points, the passive species behaves as a continuous field like temperature.

Passive Species Released in a Helix-Fluted Chimney
Simulation shows a clipped image of iso-surfaces for a released species

Subsystem Update

Realize faster and more robust operations with major updates to all the Caedium subsystems: Open Cascade, OpenFOAM®, VTK, and wxWidgets.

OpenFOAM is a registered trademark of OpenCFD and is unaffiliated with Symscape.