CFdesign Advanced Module

Upfront CFD is all about using simulation to drive design decisions. The CFdesign Base Module contains an extensive collection of functionality, and is capable of solving a wide breadth of applications. Some situations, however, are a little more complex, and require physical models that are beyond the scope of the Base System. The best solution for these situations is the CFdesign Advanced Module.

License Requirements: The CFdesign Base System is a requisite for the Advanced Module.

Inside the CFdesign Advanced Module

Advanced Simulation Scope

The CFdesign Advanced Module provides additional flow and thermal simulation functionality to further expand the solution scope.

Types of Advanced Simulation Needed for Mechanical and Industrial Applications

“Mechanical and Industrial” contain an extensive collection of engineering applications. It involves the design, placement, and performance of critical components and systems within machinery, hydraulics, pneumatics, valves, nozzles, ovens, burners, and other engineering equipment. Because of the diversity of applications, all of the Advanced Module physical models deliver substantial value to the Mechanical and Industrial engineering design arena.

1. Transient
A process that is “transient” varies with time. Unlike a steady state process, the flow distribution and temperature change from one moment to the next. CFdesign uses an implicit time stepping method to compute the time-dependent solution.

2. Compressible
Compressibility in gas flows occurs when the flow velocity is quite high, typically at Mach numbers greater than 0.8. The pressure distribution strongly affects the density of the gas, and shocks can occur.

3. Radiation
Radiation is a surface-to-surface heat transfer mode that relies on a direct line of sight between surfaces. Unlike conduction or convection, radiation does not need a medium such as a solid or carrier gas. Heat radiates through empty space with electromagnetic waves.

4. Solar Heating
A sub-set of radiation heat transfer, solar heating is radiative heat from the sun. Unlike conduction or convection, solar radiation does not rely on a medium such as a solid or carrier gas. Heat radiates through empty space with electromagnetic waves.

5. Cavitation
Cavitation is a physical phenomenon that occurs in many high-velocity liquid flows when the liquid pressure falls below the vapor pressure. Vapor bubbles form and rapidly collapse, forming a shock wave.

6. Joule heating
Also known as “resistance heating” and “Ohmic heating,” Joule heating is the generation of heat that occurs when an electric current is passed through a metal object such as a wire, electrical connector, or stove-top burner element.

7. Scalar Mixing Model
The Scalar Mixing Model provides a mechanism to track the concentration of a quantity introduced into a flow.

8. Steam
Steam is the vaporous state of water, and its application in energy production and other industries is far-reaching.

9. Humidity
Humidity is the amount of water vapor contained within air.

10. Water Hammer (compressible liquid)
Water hammer, also known as hydraulic shock, is a pressure pulse that propagates through a liquid at the speed of sound as a result of a sudden momentum change. An example is when a valve in a high-velocity water pipeline is suddenly closed. A pressure pulse propagates rapidly through the water, and can bounces off the pipe ends until losing strength due to viscous dissipation.

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Types of Advanced Simulation Needed for Electronics and Lighting Applications

A major challenge faced by engineers in the Electronics industry is to ensure that components operate below their temperature limits. The challenge is further compounded by the relentless drive to reduce device size while device power steadily increases. In the lighting world, the LED is the preeminent environmentally-conscious solution. Because a great deal of the total energy applied to an LED is converted into heat, and LEDs need to run at much cooler temperatures than other lamp types, engineers in the Lighting industry are faced with significant thermal management issues as well.

Types of Advanced Simulation Needed for Architectural and MEP Engineering Applications

There are three primary classifications of Architectural (AEC) engineering analyses: Mechanical Ventilation, External flow (wind loading), and Natural Ventilation. All three contain numerous challenges, and understanding the flow and temperature is essential for occupant comfort, reducing operating costs, and ensuring effective HVAC implementation.