Caedium 3.0.2 Release Notes

The latest Caedium release has a broad range of new features, enhancements, and bug fixes. The new release includes an array of topology-based operations that support a new hybrid modeling scenario where you can build your flow volume from a mixture of faceted and analytic (CAD) geometry. Also there are a selection of new ways to run simulations, with two cloud-based services using Windows Azure and an experimental GPU option for NVIDIA hardware.

New Features and Enhancements

  • Topology Operations
    • Connect faces, edges, and vertices [Builder] to create:
      • Non-manifold geometry for multi-block meshes
      • Zero-thickness (or double-sided) walls
    • Stitch edges and faces to create hybrid faceted and analytic geometry models [Builder]
    • Perform subtract and decompose Boolean operations with hybrid models - no longer limited to true geometry [Builder]
  • Running Simulations
    • Outsource simulations to cloud-based services [RANS Flow]:
      • Cloud Burst: Windows HPC Server 2008 R2 SP2 'Burst to Azure'
      • Cloud: Windows Azure
    • Experiment with state-of-the-art GPU acceleration using CUDA on NVIDIA hardware [RANS Flow]
  • Faceted Modeling
    • Import COLLADA faceted geometry from Google SketchUp [Exchange]
    • Extract feature edges from faceted models with a facet feature angle preference [Exchange]
    • Create hybrid faceted and true geometry models using new topology operations [Builder]
  • Infrastructure
    • Perform more robust Boolean operations using OpenCascade 6.5.1 [Builder]
    • Realize shorter startup times and improved overall performance with OpenFOAM® 2.0.x, especially on Windows with new MinGW-w64 compiler improvements [RANS Flow]
    • See reduced simulation turnaround time with an optimized OpenFOAM mesh representation [RANS Flow]
  • Miscellaneous
    • Use new selection filters to easily select geometry based on a wide range of constraints
    • Automate operations, such as export, during simulation updates using new telemetrics [RANS Flow|Transient]
    • Create detailed geometry, mesh, and physics reports using the new Info tool [Builder]

Bug Fixes

  • Trying to create a force monitor on a non-simulation volume face caused Caedium to crash [RANS Flow|Panel Flow]
  • Trying to extract results on a non-simulation volume caused Caedium to crash [RANS Flow|Panel Flow]
  • Residual monitor properties included erroneous 'geometry' property after restore [RANS Flow|Panel Flow]
  • Trying to display an existing Color Map (e.g., p) did not automatically switch the view to that Color Map [RANS Flow|Panel Flow]
  • Scaling geometry by zero corrupted model [Builder]
  • Poor error message when trying to use faceted geometry in a subtract Boolean operation [Builder]
  • Errors and warnings about corrupt geometry during Boolean operations on simple shapes [Builder]
  • Clipping slider properties did not respond to arrow or page-up/down keys
  • Clipping range did not update after creating new geometry [Builder]
  • Toggling Freeze sometimes caused internal errors [RANS Flow|Transient]
  • Symmetry boundary condition visualization was not scaled by base units [RANS Flow|Panel Flow]
  • Corrupt view if a camera was saved with the camera focal point at the camera position
  • Temporary directory name clashes when running 100s of Caedium instances
  • Camera shake during animation [RANS Flow|Transient]
  • ABL Ustar calculation missing for epsilon [RANS Flow]
  • AMG solver hit maximum iteration limit due to absolute tolerance being too small [RANS Flow]
  • Erroneous blank camera upon restore after deleting a camera immediately prior to save on Linux
  • Trying to drag and drop a window tab near an edge of the application caused Caedium to crash on Ubuntu 11.04
  • Menu bar was invisible if desktop was switched from Ubuntu (default Unity) to Ubuntu Classic on Ubuntu 11.04
  • Graphics driver memory leak on Mac OS X GeForce 9400. Workaround is to switch off hardware-accelerated displayed lists using new preference: File->Preferences, Visualization->Hardware Acceleration

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