BLMesher - Revision history

Nmati: Added a pitfalls section

2014-05-15T00:03:01Z

Added a pitfalls section

2014-03-18T04:41:49Z

‎Example 6: Boundary layer mesh , constant thickness: Corrected error in attribute type introduced in last edit.

2014-03-17T23:20:25Z

‎Example 8: Global BL attributes: Added global gradation rate

2014-03-17T23:16:00Z

‎Example 6: Boundary layer mesh , constant thickness: Added other values that parameters can take on.

2013-08-07T01:07:07Z

‎Example 9: Refinement Along an edge

2013-08-07T01:06:40Z

‎Example 8: Global BL attributes

2013-08-07T01:06:21Z

Added an edge refinement example

2012-05-04T07:41:26Z

‎Example 8: Global BL attributes

2012-05-04T07:41:05Z

‎Example 8: Global BL attributes

2012-05-04T07:40:36Z

‎Example 8: Global BL attributes

← Older revision		Revision as of 00:03, 15 May 2014
Line 272:		Line 272:
	(0): Attribute type on entity. 0 just imposes the size on entity.		(0): Attribute type on entity. 0 just imposes the size on entity.
	(2e-4): Mesh size (This is in the second line)		(2e-4): Mesh size (This is in the second line)
		+
		+	== Pitfalls ==
		+
		+	-Some versions of BLMesher will die if tabs are present in the attribute file. The error message is quite unhelpful and will look something like:
		+	ERROR : attribute info. [attribute number : 9] - NOT compatible [model entity of dim.:0 NOT found with tag:1]

@@ Line 185: / Line 185: @@
   (173): Face tag
   (1): Size type on entity. 1 for absolute mesh size, 2 for relative
-  (1): Attribute type on entity. As of simmodsuite 8.0-121129, Simmetrix supports four options for the boundary layer gradation type.
+  (1): Attribute type on entity. A value of 1 selects the boundary layer meshing option.
   (0): Boundary layer orientation (FaceSide/useDir)
   (0): NumEndEnts. 0 for layers with fixed heights

@@ Line 258: / Line 258: @@
 : layer edge aspect ratio
 : exposed aspect ratio (opposite of aspect ratio, look at the documentation MS_minExposedAspectRatio for more info)
   (value): value for the above attribute

@@ Line 184: / Line 184: @@
   (2): Entity dimension, 2-D. it's a face.
   (173): Face tag
-  (1): Size type on entity. 1 for absolute mesh size
+  (1): Size type on entity. 1 for absolute mesh size, 2 for relative
-  (1): Attribute type on entity. 1 for entity with boundary layers.
+  (1): Attribute type on entity. As of simmodsuite 8.0-121129, Simmetrix supports four options for the boundary layer gradation type.
   (0): Boundary layer orientation (FaceSide/useDir)
   (0): NumEndEnts. 0 for layers with fixed heights
@@ Line 191: / Line 195: @@
   (3.e-4): Total height of boundary layer
   (5): Number of layers
-  (0): Boundary layer Mixed topology (1 for triangles and quads)
+  (0): Boundary layer Mixed topology
-  (0): Boundary layer blending.  0 for no BL blending
+  - 0 for tetrahedra only
-  (0): Boundary Layer propagation
+  - 1 for a wedge / hex dominant BL
   (1.61e-4): mesh size on the surface (This value is in the second line)
 If you are specifying a 2D BL on a model edge, then at the end of the line, you have to give a target face tag, to which face you want that BL attribute applied.
+.

@@ Line 248: / Line 248: @@
   (value): value for the above attribute
-== Example 9: Refinement Along an edge ==
+== Example 9: Refinement Along an Edge ==
 For uniform refinement along an edge with tag 333

← Older revision		Revision as of 01:06, 7 August 2013
Line 248:		Line 248:
	(value): value for the above attribute		(value): value for the above attribute

−	.	+	.== Example 9: Refinement Along an edge ==
		+
		+	For uniform refinement along an edge with tag 333
		+	1 333 1 0
		+	2e-4
		+
		+	The above lines can be divided as below:
		+	(1) (333) (1) (0)
		+	(2e-4)
		+
		+	(1): Entity dimension. It's a 1-D line.
		+	(333): Entity tag
		+	(1): Size type on entity. 1 for absolute mesh size
		+	(0): Attribute type on entity. 0 just imposes the size on entity.
		+	(2e-4): Mesh size (This is in the second line)

@@ Line 238: / Line 238: @@
 The above lines can be divided as below:
   (-1) (7) (attribute_type)
-(value)
+ (value)
   (-1): Entity dimension. -1 for setting global attributes