GRIDGEN MANUAL PDF

Pointwise supports exporting Gridgen grid files. A Gridgen restart .gg) file compatible with Gridgen Version 15 can be exported from Pointwise. © – Pointwise supports importing Gridgen database files. Any Gridgen restart .gg) file from Version 15 is supported for import into Pointwise. Note that 2D blocks are not supported by Pointwise and will not be imported.

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Release Notes – Version 15 5. TBD There are currently no new technical issues resolved in V August The following is a list of technical issues resolved in Manjal SPR Resolved an issue where setting the rotation point ended with a different location being selected.

SPR Corrected a problem causing transfer of a Gridgen restart file to Pointwise to fail and assert. SPR Resolved a problem preventing sufficient anisotropic tetrahedral recombination. Gridven Resolved an issue causing inconsistent tets on opposite sides of a symmetry boundary. SPR Resolved a problem causing V SPR Corrected an issue which caused many errors to be generated when saving manul unstructured blocks. SPR Fixed a Glyph problem preventing the bit tetrahedral mesher from being called on bit systems.

SPR Resolved an error causing a crash when selecting domains for face assembly. SPR Yridgen an issue resulting in combined pyramids and prisms with negative faces.

SPR Improved pyramid collision adjustment to distribute changes more evenly on both sides of the collision. SPR Fixed a problem causing a hang up following aniso layer generation. SPR Resolved an issue causing inconsistent extraction of prism layers.

March The following is a list of new features included in V Gridgen now allows baffles to be selected in T-Rex for layer growth or other boundary types.

Gridgen – Pointwise |

Gridgen can now run connected T-Rex blocks simultaneously in the unstructured solver. The following is a list of technical issues resolved in V SPR Resolved an issue where anisotropic triangles could not be created off of a sharp edge. SPR Resolved an issue preventing successful anisotropic domain initialization.

SPR Fixed an issue causing poor anisotropic cells to grow off of a connector edge. SPR Corrected a problem causing rapid growth of anisotropic cells in concave regions. SPR Resolved the block re-specify issue preventing updates of block computational coordinates after a block had been saved. SPR Corrected the calculation of angle skewness for Examine.

Gridgen – Pointwise

SPR Solved a problem causing domains to disappear after saving from the unstructured solver. August SPR Fixed a problem causing blocks to appear after all blocks were deleted and a restart saved. August The following is a list of new features included in V PLOT3D support has been extended to allow i-blanking, byte-order swapping, and single-block grids.

Overset assembly data can be imported into Gridgen where orphan and fringe points can be visualized. An overset tutorial on a wing-pylon geometry with a store is now available.

Pointwise CAE export can now create prisms by recombination for anisotropic tetrahedral meshes generated in Gridgen that contain multiple normals on sharp corners. Pointwise CAE export can now create prisms by recombination for anisotropic tetrahedral meshes generated in Gridgen that contain pyramids. SPR Fixed a bug that was causing Gridgen to exit prematurely when a particular anisotropic maanual block was initialized.

SPR When exporting over ten million nodes to Splitflow, an issue was found with the format of the resulting Splitflow file. Logic has mannual changed to correct this problem. SPR Resolved an issue in which the Examine command was showing incorrect values for the minimum included skewness angle for pyramids. SPR Corrected the decimation of cells near a symmetry plane in an unstructured anisotropic tetrahedral block. SPR Fixed a bug that caused Gridgen to exit prematurely if a surface of revolution was intersected with a bi-linear surface.

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SPR Fixed a bug that caused Gridgen to exit prematurely when connectors that were part of an existing unstructured domains and blocks were redimensioned. SPR Fixed a problem that caused an anisotropic tetrahedral block to fail to initialize due to intersecting tetrahedra. SPR Resolved an issue that caused poor quality cells to be created in a block that was copied and rotated. November The following is a list of new features included in V SPR Resolved an issue that caused zero volume cells to be produced when an anisotropic tetrahedral block was initialized.

SPR A bug was fixed that caused the unstructured block solver to pause for a long period of time when initializing a block. SPR An issue was fixed that caused negative volumes to be created in an unstructured block. SPR Resolved an issue that caused the pyramids generated in the unstructured block solver to have a higher equiangle skew than previous versions of Gridgen.

SPR Grldgen bug was fixed that caused V SPR A bug was fixed that caused connectivity issues between tetrahedral cells manul a certain combination of anisotropic attributes were used within the unstructured block solver. SPR Resolved an issue that kept the maximum cell height for an extrusion from being applied correctly when specified in the GUI. SPR Fixed an issue that caused all boundary conditions to be removed from a block when an additional face manuual added.

June The following grigen a list of new features included thus far in V Gridgen bit for Linux workstations is now available. Improvements have been made to the performance of anisotropic triangles and tetrahedra marching out of concave regions. Improvements have been made to the performance of anisotropic triangles and tetrahedra marching off of convex regions. The unstructured block solver can now extract prisms across multiple anisotropic blocks simultaneously.

These additional points provide greater refinement and transition for regions where anisotropic cell advancement has to stop locally. The following is a list of technical issues resolved thus far in V SPR Fixed an issue that prevented the volume condition information of an anisotropic block from being propagated into its component tetrahedral and prism blocks during prism extraction.

SPR A bug which caused the tetrahedral block to be deleted during prism extraction for an anisotropic tetrahedral block has been resolved.

SPR Resolved a manuql which caused Gridgen to exit prematurely when executing a certain Glyph script. SPR Resolved a bug which kept Gridgen from checking for duplicate domains if prisms were extracted from an anisotropic block whose database was not present. SPR An bug that kept blocks resulting from a prism extraction from being numbered properly within the execution of a glyph script was gdidgen.

SPR Resolved an issue that was causing the boundary decay factor mannual unstructured domains to influence the number of anisotropic layers created.

SPR Resolved an issue that allowed an anisotropic block to be initialized on Linux workstations but not on Windows workstations. October The following is a list of new features included V The ability to extract prism cells from an anisotropic block at any time has been added to the block unstructured solver.

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SPR An issue was fixed which caused poor quality unstructured anisotropic domains to be created on quilts of high curvature. SPR An issue was fixed which caused poor quality unstructured domains to be created on quilts of high grixgen.

July SPR A bug was resolved which caused Gridgen to crash when deleting a control point that coincided with the end of a connector. SPR Resolved a bug which caused the boundary conditions applied to block interfaces to be reset improperly after merging connectors or domains at the block interface.

SPR An issue was fixed in which an anisotropic block would not initialize in V July The following is rgidgen list of new features included in V Support for the Sun Solaris platform has been upgraded to Solaris V8.

Prior versions of this operating system will no longer be supported. This new geidgen contains improvements to the speed of the anisotropic tetrahedral mesher and the gridgeb to mesh volumes with larger ranges of cell sizes.

Unigraphics NX5 files may now be imported into Gridgen. The Unigraphics native file reader is an optional product. Catia V5 R18 files may now be imported into Gridgen.

The Catia V5 native file reader is an optional product. The following is a listing of technical issues resolved in V SPR An issue that was keeping the point counts from updating in the Blackboard manua the initialization of an anisotropic block has been fixed. SPR Releasing the volume grid and saving a block after anisotropic initialization caused Gridgen to exit prematurely.

Logic has been modified to resolve this problem. SPR Fixed a bridgen which was causing a few anisotropic triangles along an edge to march out further than their neighbors. SPR An issue that was keeping a pole domain that had been split from being rejoined has been fixed. SPR A bug has been fixed which was causing local grid anomalies mxnual anisotropic domains that were projected onto highly curved surfaces.

SPR Resolved a bug in which a particular database constrained prism extrusion caused Gridgen to exit prematurely.

December The following is a listing of the new features that have been added to V Gridgen now supports import of Unigraphics NX4 and earlier files. The Unigraphics native CAD reader is an optional product. Gridgen now features updated license management software. The new license server in Gridgen V Mqnual Defaults menu now contains a preference which controls whether the Examine command automatically uses the diagnostic function chosen for the last block or blocks in Examine for any new blocks brought into Examine.

SPR When initializing an anisotropic volume that contained a corrupt domain with a local non-manifold topology, zero volume cells were created outside of the block volume. Logic has been added to correct this issue. SPR An issue in which extracting prisms for an anisotropic block containing periodic domains caused Gridgen to exit has been fixed. SPR Grigen an issue in which prism extraction for an anisotropic block failed to produce two new blocks.

SPR A bug has been fixed which caused Gridgen to exit when copying certain database surfaces.