Some time ago we had a request from a propeller designer to come up with an easy-to-use parametric geometry model in CAESES® for the Wageningen B-Series. There is a mathematical definition published for setting up such a marine ship propeller…
Automated Optimization using Adjoint Flow Solvers
Here at FRIENDSHIP SYSTEMS, we recently carried out a case study for an automated optimization process based on the shape sensitivities computed by an adjoint CFD solver. The open-source optimization toolkit Dakota by Sandia National Labs, that is integrated in…
Global Optimization using Response Surfaces
For the optimization of flow-exposed products, CAESES® offers a set of strategies that allows users to automate the intelligent design creation process. Design variables are linked to the variable geometry and get controlled by algorithms that are called design engines.…
Direct Coupling of Parametric CAD and Adjoint CFD
In the context of different R&D projects over the last few years, we at FRIENDSHIP SYSTEMS have developed and implemented a new method for our product CAESES® that is based on the direct coupling of our efficient CAD parameterization and…
Automated Solid Generation for Structural Analysis at MTU Friedrichshafen
Some time ago, our customer MTU Friedrichshafen (the core entity of Rolls-Royce Power-Systems) approached us with a very interesting request. They design large turbochargers for diesel engines, and they use CAESES® for the design of volutes and other engine components.…
Direct Modification and Variation of Imported NURBS Geometry
Consider you have an existing geometry from another CAD system, and you want to conduct a design study with the geometry in CAESES®. Let’s assume the geometry was exported as a set of NURBS curves and surfaces, using a standard…
Parameter Calibration with CAESES and FLOW-3D
When it comes to sediment simulations, the results of an analysis can heavily vary depending on which values you take for certain coefficients such as the Shield’s number. Often the default values of software solutions are not suited and need…
Video: Adjusting Displacement and LCB in 5 Minutes
In our latest CAESES® release 4.1.2, we have improved the methods to change existing geometries by means of shift transformations and shape deformations. In this context, existing geometries mainly means data that is given in another CAD system, and which…
SMM 2016 OSV Design Optimization Challenge
The world’s leading maritime trade fair SMM 2016 is currently taking place in Hamburg, Germany. This year, we decided to go there, and run a competition for the optimization of a ship hull design. We have picked a demo offshore…
Polycurve and Surface Splitting
The polycurve type in CAESES® is something that gets used quite a lot, in particular in the context of surface generation through the meta surface technology where you need to have a single curve definition. The polycurve simply takes a…