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Found 6 results

  1. Hello, I am facing a problem while creating a 2D surface mesh in TCL Code in hypermesh. The settings done in "*interactiveremeshsurf" and "set_meshfaceparams" seem to be ignored for all surfaces and overwritten by the settings written the GUI at 2D-->Automesh-->Edge deviation. The code can be seen below: *setedgedensitylinkwithaspectratio -1 *elementorder 2 *startnotehistorystate {Automesh surfaces} *createmark surfaces 1 [lindex $List_OP($i) 0] for { set ii 1} {$ii <=[llength $List_OP($i)-1]} { incr ii} { *appendmark surfaces 1 [lindex $List_OP($i) $ii] } if { 1<=$i && $i<=3 } { # markmask, elementsize, elem_type (0 trias, 3 rtrias) *interactiveremeshsurf 1 0.25 3 3 2 1 0 set i_am 0 foreach Element $List_OP($i) { # index (von 0), elem_type, alg_type, elem_size *set_meshfaceparams $i_am 2 3 3 0 1 0.5 1 0 *automesh $i_am 1 3 incr i_am } *storemeshtodatabase 1 *ameshclearsurface *clearmark surfs 1; *endnotehistorystate {Automesh surfaces} Am I missing some command? Thanks and best regards, Henrik
  2. Hi all, I have 2 mesh components..yellow and green considering yellow comp size...giving some tolerance of at least 2 elements size of green one...want to delete some portion from green as shown... then create mesh between these two comp...shape can be tri or quad or mixed. This is shell mesh... element size of both are different... no surface available for this 2 I want to automate these things... 1 . Delete some portion from green...considering size of yellow 2. Create mesh between yellow and green keeping connectivity in mind.. please help me out... if any one have any idea... Thanks & Regards, PD
  3. Hi everyone, please help me. I have a STEP file contains 5 components, and this STEP file is exported from Solidworks. The 5 components in the STEP file are a, b, c, d, e. a, b, c are in contact. c, d, e are also in contact. I want to make the meshes between components are connected. So I ues solid edit --> boolean to create shared surfaces between components that are in contact with others. the details about solid edit --> boolean is as follows: operation type: advanced operation: A+B combine through: none I do it for 6 times which are: 1. A: a B: b 2. A: a B: c 3. A: b B: c 4. A: d B: c 5. A: e B: c 6. A: d B: e I'm not sure if this is the proper way to create shared surfaces for the 5 components. Next, I use 2D --> automesh --> QI optimization. I also tried surface deviation and edge deviation, but the results are not good. The problem is that some meshes from two different components formed on one same surface. Like the figure attached. So those two components can't formed a closed volume and it leads to failure of tetramesh. My whole modeling process are going to be built automatically by tcl script, so I can't manually delete those overlapping meshes. Maybe delete the overlapping meshes by tcl script can help, but I have no idea how to do it. I upload a zip file, which contains three files: 1. test.STEP : This is the raw STEP file that contains 5 components. 2. fail.hm : Already imported the test.STEP file, but have'nt done anything further. 3. good.hm : A model that is successfully done. This is a similar model, and my final goal is to built a model like this. model.rar
  4. Hello, I made a simple outer geometry with complex inner shape. So, I decided to make the 2d element size small for the complex region and larger element size for the simple region. But all the elements seem to be the same size, without varying in size. What is the problem? I attached screen capture files
  5. I am creating a triangle shell mesh for tet-meshing. When using Automesh to mesh elements with QI optimize, one can specify a feature angle and a vertex angle. The feature angle is the angle between element normals. What about the vertex angle? The manual says: " Whenever an element vertex exceeds this angle while adhering to features, the element will be split into two elements with correspondingly smaller vertices." The default angle in the field is 30 degrees. Triangles will always have an angle that is greater than 30 degrees. Someone else in the manual it is described as being similar to the feature angle. I can't find an illustration or more detailed explanation of vertex angle. Can someone clarify this for me, please? Thank you. Phil
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