The services detailed below are non-generic and form part of the Geodise framework and are not appropriate for public domain release.
An ontology for optimisation and design search has been constructed from manuals and expert interviews.
An ontology for user roles has been developed.
Linux and Windows ProE
Parametric geometries are prepared by CAD engineers using Pro/Engineer for use in design optimisation tasks to allow a design space to be explored by varying the parameters which describe the geometry. Geometries are generated in batch mode by running the CAD package through a predefined script file. Due to the unavailability of the Pro/Engineer on Linux platform, a Windows cluster is used. A Web Service/Condor interface is used to submit Pro/Engineer jobs to the Windows cluster from within MATLAB environment using our toolkit (above), while the jobs are managed by the Condor job manager.
CFD development has been focussed on two codes, HYDRA and Arcadia. HYDRA is a Navier-Stokes code developed with Rolls-Royce with nonlinear, linear and adjoint capabilities. Within Geodise the effort has been directed towards the use of GMRES and RPM iterative methods to address issues concerned with localised physical instabilities such vortex shedding, thereby improving the robustness and convergence rate of the linear and adjoint codes. Arcadia is a new aeroacoustic code based on potential flow modelling which offers the best accuracy for a given cost for fan tone noise simulations. The novelty here has been the development of the adjoint capability, and a new asymptotic treatment of nacelles which are almost axisymmetric. Prof Mike Giles at Oxford can supply further details of the work on CFD solvers.
|Last Updated: 15/3/05||
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