Titlebook: Computational Fluid Dynamics; Getting Started Quic Stefan Lecheler Textbook 20221st edition The Editor(s) (if applicable) and The Author(s)

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https://doi.org/10.1007/978-3-642-77102-6w is to be calculated. The convergence behaviour of the calculation and the accuracy of the solution depend decisively on the quality of the mesh. As fine as necessary, as coarse as possible, is the motto here. On the one hand, important flow details should be captured exactly, on the other hand, th

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T. M. Makhviladze,M. E. Sarychev algorithms for this, which became more and more exact and faster in the course of time and with increasing computer performance. The development went here from the central schemes over the Upwind schemes to the High-Resolution schemes.

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‘Interest’ and Other Similar Termsbe, for example, the angle of attack or the ratio of the two velocity components . and . . In the case of the tube flow example, this could be the mass flow, and . in the case of the double tube heat exchanger example, the tube length .. Then these variables to be varied can be defined once as param

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https://doi.org/10.1057/978-1-137-34042-9Figure 7.1 shows the calculation area for the wing. It extends from the left inflow boundary to the right outflow boundary. At the top and bottom are the two periodic boundaries and at the front and back two symmetry planes. In the middle the wing surface is present as a solid boundary. The inside of the profile has been cut away.

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https://doi.org/10.1057/978-1-137-34042-9After starting . and creating the . project scheme (see also Sect. .), the . started again (Fig. 8.1). In addition to importing the CAD file in Sect. 8.1.1, the generation of the geometry with the DESIGN MODELER program is described in Sect. 8.1.2.

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Typical Workflow of a Numerical Flow Calculation,This chapter shows the general procedure of a numerical flow calculation. Practical tips and empirical values can be looked up here, which are helpful for the user of CFD programs to be able to carry out CFD calculations efficiently and to be able to achieve accurate results.

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Example Internal Pipe Flow,After starting . and creating the . project scheme (see also Sect. .), the . started again (Fig. 8.1). In addition to importing the CAD file in Sect. 8.1.1, the generation of the geometry with the DESIGN MODELER program is described in Sect. 8.1.2.