Block Mesh

Purpose:

This interface is for index based mesh generation and is similar to mesh generation methods used in LS-INGRID. This capability is under development and eventually will be expanded to be a very powerful addition to LS-PrePost.

Function:

Create : Create blocks.

Parameter : Parameter and Expression.

Bland/Del : Blank or delete blocks.

Rd/Write : Read and write command files.

Move Pts. : Move points.

Distribute : Distribute blocks' nodes.

Rotate Pts : Rotate points.

Project : Project points/lines/surfaces of blocks to geoemtry.

Info : Show internal node coordinate of given block.

Sample:

no sample.

Create:

Multiple Blocks : Create multi blocks.

Single Block : Create single blocks.

Butterfly Block : Create a butterfly block.

  • Create : Create blocks.

  • Parameter : Parameter and Expression.

  • Bland/Del : Blank or delete blocks.

  • Rd/Write : Read and write command files.

  • Move Pts. : Move points.

  • Distribute : Distribute blocks' nodes.

  • Rotate Pts : Rotate points.

  • Project : Project points/lines/surfaces of blocks to geoemtry.

  • Info : TODO

  • Type : Select block type.

  • I Index List : I index list for blocks.

  • J Index List : J index list for blocks.

  • K Index List : K index list for blocks.

  • X Position List : X coordinate for blocks.

  • Y Position List : Y coordinate for blocks.

  • Z Position List : Z coordinate for blocks.

  • Part ID : The generated mesh will belong to.

  • Create : Create the block.

  • Reject : Reject the last operation.

  • Accept : Accept the last operation.

  • Done : Exit interface.

  • P1 : When checkbox is checked, pick from graphic. Click button P1 to call Position dialog to create a Point. Or Enter x/y/z.

  • Px : Same as P1

  • No. of Elements(I J K) : Enter number of elements along I, J, K.

  • Density : Density of the cylinder perimeter.

  • Radius : Radius of the cylinder.

  • Length : Length of the cylinder.

  • R : Number of elements in Radius direction.

  • L : Number of elements in Length direction.

  • Is Quartered :

  • Is Tubal : The cylinder is empty.

  • Inner R : Sensitive when Is Tubal is checked. The inner raidus of cylinder.

 

Parameter:

  • Parameter or Expression : Enter parameter or expression. Such as A=150 or R=T1*sin(T2).

  • Create : Create a parameter or expression.

  • Delete : Delete a parameter or expression.

  • Coordinate X : Function to evaluate x coordinate.

  • Coordinate Y : Function to evaluate y coordinate.

  • Coordinate Z : Function to evaluate z coordinate.

  • Apply : Apply eval function to current domain block.

  • Undo : Undo the last operation.

  • Redo : Redo the last Undoed operation.

Blank/Del :

  • I Index List : I coordinate of blocks to be blank or delete.

  • J Index List : J coordinate of blocks to be blank or delete.

  • K Index List : K coordinate of blocks to be blank or delete.

  • (Un)Blank : Blank blocks.

  • Reverse Blank : Reverse blank status of blocks.

  • Display All : Display all blocks.

  • Delete : Delete blocks.

  • Undelete : Undelete blocks.

Rd/Write:

  • Empty : Empty current buffer for blockm commmand.

  • Read : Read command file.

  • Write : Write command file.

Move Pts:

  • NULL : No constraint.

  • X Aixs : Constraint to X Axis.

  • Y Aixs : Constraint to Y Axis.

  • Z Aixs : Constraint to Z Axis.

  • Screen X Axis : Constraint to screen X Axis.

  • Screen Y Axis : Constraint to screen Y Axis.

  • XY Plane : Constarint to XY Plane.

  • XZ Plane : Constarint to XZ Plane.

  • YZ Plane : Constarint to YZ Plane.

  • Screen Plane : Constraint to screen plane.

  • Distance : Sensitive according to former option. the distance on x/y/z direction.

Distribute:

  • Along a whole line : Distribute edge along a whole line.

  • Edge along line : Distribute edge along line.

  • Vectex Interpolation : Vectex Interpolation in Bi-linear and Tri-linear Multiple Faces and Solids Interpolation.

  • Edge Interpolation : Edge Interpolation in Bi-linear and Tri-linear Multiple Faces and Solids Interpolation.

  • Linear : Apply Linear Interpolation.

  • Zoning Ratio : Zoning Ratio (a positive number).

  • Both Ends : Relative spacing of nodes of an edge from both ends.

  • Zoning : Apply Edge Zoning.

  • Undo : Undo last interpolation.

  • Redo : Redo last interpolation.

 

Rotate Pts:

  • NULL : No constraint.

  • X Aixs : Constraint to X Axis.

  • Y Aixs : Constraint to Y Axis.

  • Z Aixs : Constraint to Z Axis.

  • Screen X Axis : Constraint to screen X Axis.

  • Screen Y Axis : Constraint to screen Y Axis.

  • Screen Z Axis : Constraint to screen Z Axis.

Project:

Point : Project to point.

Line : Project to line.

Surface : Project to surface.

Shell Element : Project to shell elements.

Plane : Define a plane with a origin and a vector.

Cylinder : Define a Cylinder with a origin, a vector and a radius.

Sphere : Define a Sphere with a origin and a radius.

  • Point : Project to point.

  • Line : Project to line.

  • Surface : Project to surface.

  • Shell Element : Project to shell elements.

  • Plane : Project to a plane.

  • Cylinder : Project to cylinder.

  • Sphere : Project to sphere.

  • Pick Point : Get XYZ at pick location on curve.

  • Nearest Point : Get XYZ at nearest point on curve.

  • End Point : Get XYZ at end of curve.

  • Mid Point : Get XYZ at middle of curve.

  • X : Project in X Component.

  • Y : Project in Y Component.

  • Z : Project in Z Component.

  • Only Face Inner Nodes : Project the Inner nodes when projecting Face(s).

  • Blank Blocks : Blank or unblank Blocks.

  • Project : Project the Block.

  • Undo : Undo last Projection.

  • Redo : Redo last Projection.

  • Closest 3D proj dir. : Project Block to mesh in closet 3D direction.

  • Vector projection : Project Block in specified vector direction.

  • Position : Select a Coordinate as the Orginal Point.

  • Direction : Select a Direction as Plane Normal.

  • Radius : Enter the radius for cylinder.

  • Position : Select a Coordinate as the Orginal Point.

  • Direction : Select a Direction as Plane Normal.

  • Closest 3D proj dir. : Project Block to mesh in closet 3D direction.

  • Vector projection : Project Block in specified vector direction.

  • Radius : Enter the radius for sphere.

  • Position : Select a Coordinate as the Orginal Point.

  • Closest 3D proj dir. : Project Block to mesh in closet 3D direction.

  • Vector projection : Project Block in specified vector direction.

Info

  • I Index List : I Coordinate of one block.

  • J Index List : J Coordinate of one block.

  • K Index List : K Coordinate of one block.

  • I Index : I Coordinate of one Internal Node.

  • J Index : J Coordinate of one Internal Node.

  • K Index : K Coordinate of one Internal Node.

  • OK : Get the internal node coordinate.

  • Coordinate of Internal Node : Show internal node coordinate in the list.