CFD Project Realization

The CFD simulation project should precede the product modifications or introduce a new product in use. Virtual experiments, which is simulation, is an excellent way to realize the accepted idea and to evaluate the effectiveness of the goal. 3D visualization of simulated phenomena and important parameters allows for a better understanding of the physical phenomena of a given object and significantly facilitates project implementation. This way, you can point out ways to improve performance and optimize. The computer model of the subject is easily and quickly edited, giving you the opportunity to get the best possible solution, saving you time and money. Only the final, optimal numerical variant should be the starting point for the actual implementation of the experiment. CFD Computer Simulation is an accurate and proven engineering tool that the world's best brands develop their products. Knowledge, experience, adequate mapping of boundary conditions, and real material data is essential to achieving credible results. Each CFD simulation project proceeds as follows

1. Defining the aim and range of the simulation

- what: what device, which physical phenomena to take into account ?
- purpose: what ideal parameters are you looking for ?
- range: for what conditions and what geometry ?

2. Building geometry model and mesh

- 3D model: how big volume to include, is the flow symmetrical ?
- mesh: how many elements to use, where the mesh should be denser ?

3. Providing boundary conditions and material data

- The boundary conditions are the parameters that have to be set on the edges of the computational model. These may be temperature, stream, concentration, source and others.
- Material data of the fluid (density, viscosity) and solids (eg thermal conductivity).

4. Seting solver and calculating

- Generally there are two types of calculations: stady state and transient.
- During calculation, the convergence of the calculations and the physical parameters at any points is monitored. This allows to track whether the calculations are running correctly.

5. Results and simulation report

- Results are obtained in each element of the numerical mesh. Based on obtained parameters, you can modify the geometry model or the boundary conditions to approach the optimal solution.
- The results are presented in the form of animation, word document or pptx.

Sample results in the form of animation

- Animation of comfort parameters convergence in the cinema. Temperature distribution (left side) and CO2 concentration (right side) with vectors of air flow direction.

- Animation of fire development in underground garage with smoke exhaust system. Temperature distribution (left side) and visibility distribution (right side) with vectors of flow direction of the air and smoke mixture.

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