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optiSLang for ANSYS: Multidisciplinary Optimization

optiSLang is one of the most efficient software tools for tasks regarding sensitivity analysis, multidisciplinary optimization, reliability and robustness analysis as well as robust design optimization.

Possibilities in optiSLang

Efficient methods and an informative result visualization secure the successful solving of several problems regarding CAE-based optimization and stochastic analysis.

Functionality of optiSLang

optiSLang allows the user to use sensitivity analysis, multidisciplinary optimization, robustness and reliability analysis through a predefined graphical user interface. Existing simulation processes from any user-defined CAE program, pre and post processors can be connected through a graphical editor and are accessible to a parametric sensitivity study, optimization or stochastic analysis.

An important innovation of optiSLang are predefined interactive post processing flows. This allows even "non-optimization- specialists" to use successfully multidisciplinary optimization and stochastic analysis. Gradient-based methods, genetic algorithms, evolutionary strategies and adaptive response surface methods can be used for optimization in optiSLang.

For an optimal component construction have to be considered appropriately to avoid undesired scattering of product features. In optiSLang, variance or probability-based robustness evaluations of designs can be done. A large range of statistical parameters (e.g. variation, correlation, coefficient of determination and probabilities) is available for robustness analysis. Regarding reliability analysis, optiSLang offers efficient algorithms of stochastic analysis (FORM, several sampling methods) which can be combined with adaptive response surface methods.

Different methods of optimization and stochastic analysis can be combined with each other for tasks of robust design optimization.

Innovation

A continous parameterization of models is the key to succes for parametric design optimization. Regarding parametric model creation, ANSYS Workbench offers excellent possibilities. With the help of an ANSYS Workbench plug-in, optiSLang can import directly all parameters from ANSYS Workbench and thus opens new opportunities for parametric optimization.

The vision of an optimization of CAD parameters in a fully automatic CAE process starts to turn into reality.

optiPlug - interface between optiSLang and ANSYS Workbench

Concept

ANSYS Workbench has excellent possibilities in the parameterization of CAE-processes and can open up new horizons in the parametric optimization. It could become reality to access construction parameters directly. The combinatin of optiSLang and ANSYS workbench creates one of the most efficient general purpose software tools concerning parametric sensitivity analysis, optimization and robustness analysis.

Extras

To increase the robustness of the process integration, optiSLang can run in batch mode, it offers restart possibilities and can handle failed designs.

Advantages

For an easy transfer of these possibilities of parametric CAD/CAE modellation into optiSLang, DYNARDO and CADFEM developed a bi-directional interface between ANSYS Workbench and optiSLang. Within the process chain, all parameterizations can be done either in ANSYS Workbench or other imported CAD programs and subsequent can be point-and-click transported to optiSLang.

The solver script of the process automation, all necessary transfer files and an optiSLang project file are created during the export. Subsequent the problem can be completed in optiSLand and then be conducted into a sensitivity study, an optimization, a robustness or reliability analysis. The process automation with optiSLang allows a fully automatic creation of a new design, actualisation of the geometry and calculations.