What Is Computational Fluid Dynamics (CFD)?

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17+ Years CFD Modelling Experience

Our diverse team of professionals include, architects, engineers and ESD specialists. With 17 years experience "what is a CFD Model?" is something we can answer with ease.

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We strive to deliver 100% accuracy and reliability with CFD analysis quickly for a range of applications.

 

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An expert consultant from our team will always be on call to help resolve your query, now and throughout your project build. We offer fast, affordable CFD analysis.

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We strive to achieve affordable and fast CFD modelling for your projects to validate the use of natural convection in a building and reduce the costs of artificial air exchange systems across all stages of the building design process.

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CFD(Computational Fluid Dynamics) is one of the key analysis methods widely used in both architectural engineering and HAVC designs. It helps architects and civil engineers lessen the effect of extreme wind loads on structures and manage wind comfort for pedestrians across all stages of the building design process. 

CFD simulations enable you to validate the use of natural convection in a building and reduce the costs of artificial air exchange systems.

Computational Fluid Dynamics is applicable in various fields:

  1. Aeronautics/Aerospace: Designing aircraft and rockets (external flow analysis). Desigining jet engines, ducts, nozzles(internal flow analysis)
  2. Automobile industry: To design aerodynamically efficient vehicles. Design and anlayis of turbochargers,powertrains, engine etc.
  3. HVAC: To design and analyse air conditioning systems.
  4. Electronics industry: To design circuit cooling systems. (Thermal analysis)
  5. Ballistics: Design/analyse of gun/bomb explosions.
  6. Naval architecture: Design of vessels and system design like propellers etc.
  7. Bio-engineering: Blood flow is essentially non-newtonian fluid flow inside arteries and veins.

Using CFD, you are able to analyse complex problems. CFD analyses have a great potential to save time in the design process and are therefore cheaper and faster compared to conventional testing for data acquisition. Furthermore, in real-life tests a limited amount of quantities is measured at a time, while in a CFD analysis all desired quantities can be measured at once, and with a high resolution in space and time.

Basically, there three stages within a CFD analysis:

Pre-processing

In this phase the problem statement is transformed into an idealised and discretised computer model. Assumptions are made concerning the type of flow to be modelled (viscous/inviscid, compressible/incompressible, steady/non steady). Other processes involved are mesh generation and application of initial- and boundary conditions.

Solving

The actual computations are performed by the solver, and in this solving phase computational power is required. There are multiple solvers available, varying in efficiency and capability of solving certain physical phenomena.

Post-processing

Finally, the obtained results are visualized and analyzed in the post processing phase. At this stage the analyst can verify the results and conclusions can be drawn based on the obtained results. Ways of presenting the obtained results are for example static or moving pictures, graphs or tables.

The cost of the assessment varies depending on the size and difficulty of the project.

Computational Fluid Dynamic modelling provides various advantages:
• Airflow simulation helps architects and civil engineers manage the risk of wind loads across all stages of the building design process
• Design process becomes more agile with the help of CFD software in the web browser
• Due to virtual wind simulations - architects can now make informed design decisions with respect to the overall building shape very early in the conceptual design phase
• With simulations, civil engineers can generate accurate wind load information instead of using tabular values from standards and codes
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