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Portable CFD: Build Interpolation Models from CFD results

By Joseph Colannino, Colannino Consultants |

Portable laptop computers and smartphones can be used to emulate computational fluid dynamics (CFD) modeling results using this interpolation procedure Most engineers are familiar with computational-fluid-dynamics (CFD) models and their power (for an overview of CFD, see Part 1). At their best, CFD simulations allow engineers to accurately emulate process equipment and to generate useful results where traditional experimentation may be cost-prohibitive or even impossible. Moreover, CFD can produce stunning visual maps and insights for flow fields that cannot be achieved by any other kind of modeling. While CFD requires serious computational hardware that is well beyond the means of portable computers, once the CFD model has been created, interpolating models can precisely emulate CFD results in laptops for feed-forward algorithms and distributed control system (DCS) controls, or even smartphones. To generate interpolating models, virtual experiments are conducted over a balanced range of “what-if” scenarios using statistical experimental design (SED) to generate a mathematical French curve — that is, a precision interpolating model. The term “virtual experiment” means collecting the results of CFD or simulator outputs as…
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