FSYS is used by leading companies worldwide that design products and components involving crucial flow-exposed functional surfaces.
Shape Optimization for CFD-Driven Design
For CFD (computational Fluid Dynamics) users to design flow-exposed products or components, or improve the performance of the design, FSYS allows to investigate tens or hundreds of design possibilities, resulting in superior products.
FSYS integrates with most of the leading commercial CFD codes as well as in-house codes.
FSYS’s foundation is a powerful and flexible 3D parametric modeler. Unlike traditional CAD tools, FSYS’s main focus is the smart design of complex flow-exposed functional surfaces. For example, ship hulls, aircraft wings, arbitrarily shaped ducts, and turbomachinery blades are complex 3D shapes that are critical for achieving good performance in terms of the fluids flowing around or through them. With traditional CAD, the main design parameters include primary dimensions such as lengths, angles, and offsets. FSYS can additionally specify smart parameters and distributions of these parameters such as curvature, cross-sectional area, volumetric displacement, center of buoyancy, etc.
FSYS can be used in addition to the other CAD tools (e.g. CATIA, NX, Pro/E, SolidWorks). FSYS takes the input of the CFD solutuion automatically and redesign towards optimization and when the optimized model is finalized, the FSYS can pass the geometric data to the traditional CAD tool in order to continue the CFD simulation.
FSYS is also an integration platform that can launch and control the CFD simulation studies. Any CFD code that can be run in batch mode from a geometry file and input script can be coupled to FSYS software. STAR-CCM+, ANSYS Fluent/CFX, NUMECA products, OpenFOAM, SHIPFLOW to name a few. Although the main focus is with regards to CFD simulations, other CAE tools can also be coupled. To use Don Computing’s web interface that allows to configure the PC resources on a network or cluster, so that one can utilize high-performance computing (HPC) for the CFD simulations, please contact email@example.com
Automated Variant Generation and Optimization
FSYS’s parametric models are ideally suited for the automatic generation of design variants. Once the models are set up with smart parameters or functions of parameters, then they can be varied in a number of different ways. For example, one can configure a design engine to automatically vary the parameters within the set bounds in a user-specified manner. The engine will systematically investigate the design space by linking to CFD to carry out the simulation studies. FSYS contains many sophisticated optimization algorithms ranging from single-objective strategies for fast and efficient studies, to more complex multi-objective techniques which are effective at conducting a global search of a highly non-linear design space containing many local minima and maxima. These optimization algorithms provide feedback and drive the variation engines in order to find the best design as quickly as possible.
Variant Assessment and Post-Processing
FSYS includes its own post-processing environment. One can easily step through the different design variants to compare the CFD results, sort them based on various objectives, investigate the influence of specific design parameters, and compare the most promising variants side by side. It is possible to look at overall performance characteristics (e.g. resistance, pressure loss, lift coefficient, flow rates) or at the details of the flow patterns (e.g. cut plots, surface plots, trajectories). One can further investigate the design space by viewing Pareto frontier plots and spider-web plots in order to understand the trade offs of changing the various design parameters on your performance objectives. Finally, with FSYS one can automatically create PDF or CSV reports of the design study.
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