<
From version < 83.1 >
edited by Fredrik Lagerström
on 2020/03/27 06:35
To version < 84.1 >
edited by Fredrik Lagerström
on 2020/03/27 06:38
>
Change comment: There is no comment for this version

Summary

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360 360  
361 361  Fixed points defined in the model can be displayed with the //Geometrical system// object layer.
362 362  
363 -**Fixing lines of mesh**
363 +== **Fixing lines of mesh** ==
364 364  
365 365  With [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image006.png]] //Fixed line//, lines (straight and curved) can be fixed in a mesh to generate nodes on it.
366 366  
... ... @@ -378,7 +378,7 @@
378 378  
379 379  Figure: Fixed lines used for editing regions
380 380  
381 -**Editing peak smoothing regions**
381 +== **Editing peak smoothing regions** ==
382 382  
383 383  With [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image011.png]] //Peak smoothing region//, the predefined peak smoothing regions can be edited (status, shape and size modification), or new ones can be defined manually.
384 384  
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418 418  
419 419  **[[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image020.wmz||alt="MCj04113200000%5b1%5d"]] **It is not enough to generate/define peak smoothing regions, so you have to confirm the smoothing process in the //Calculate// dialog before starting any analysis (and design) calculations.
420 420  
421 -**Division number**
421 +== **Division number** ==
422 422  
423 423  Division number sets:
424 424  
... ... @@ -441,7 +441,7 @@
441 441  
442 442  Defined division numbers together with fixed lines, edges and structural lines of bar elements are displayed with the //Geometrical system// object layer (red by default).
443 443  
444 -**Modifying average element size**
444 +== **Modifying average element size** ==
445 445  
446 446  The [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image024.png]] //Average element size// command modifies the optimized element size(s) of 2D elements calculated by the program according to **mesh settings**.
447 447  
... ... @@ -455,7 +455,7 @@
455 455  
456 456  Click [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image007.png]] //Prepare //or [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]] //Generate// (for the region only) to update the mesh according to the average element size setting.
457 457  
458 -**Refine mesh manually**
458 +== **Refine mesh manually** ==
459 459  
460 460  A predefined finite element mesh can be refined manually. Apply the [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image027.png]] //Refine// command to refine mesh parts by picking structural objects connect to the meshed region or by clicking directly finite elements.
461 461  
... ... @@ -478,7 +478,7 @@
478 478  
479 479  To deselect previously selected elements (before clicking [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image031.png||alt="icon_Enter"]] to start refine), switch to [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image035.png||alt="icon_refine_unmark.png"]] //Unmark element mode// and do the same steps mentioned for selection.
480 480  
481 -**Splitting elements**
481 +== **Splitting elements** ==
482 482  
483 483  2D finite elements can be refined according to splitting patterns, too. Start the [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image036.png]] //Split// command, then chose a cut pattern, and finally select an element which you would like to apply the selected cut mode. Each pattern has a short description about its usage for rectangular and triangular 2D finite elements. At some splitting patterns, red “+” shows the click position in an element to get the requested splitting shapes.
484 484  
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486 486  
487 487  Figure: Element refinement manually with Split
488 488  
489 -**Modifying node positions**
489 +== **Modifying node positions** ==
490 490  
491 491  The position of mesh nodes can be modified with the [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image038.png]] //Move node// command. Select node(s) you would like to move, and define the displacement vector with a start- and endpoint. The program sends an error message, if it finds nodes being out of legal moving range.
492 492  
... ... @@ -494,7 +494,7 @@
494 494  
495 495  Figure: Modifying node positions
496 496  
497 -**Deletion of mesh regions**
497 +== **Deletion of mesh regions** ==
498 498  
499 499  With the [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image040.png]] //Delete// command, predefined mesh of selected planar object (regions) can be deleted. Just select the required region(s) and the program erases the mesh.
500 500  
... ... @@ -502,11 +502,11 @@
502 502  
503 503  
504 504  
505 -**Object merge**
505 +== **Object merge** ==
506 506  
507 507  The **object merge process** can be run any time you want by clicking the [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image041.png]] //Object merge// command button.
508 508  
509 -**Rebuild**
509 +== **Rebuild** ==
510 510  
511 511  After using manual tools (mentioned before) to edit the mesh generated automatically before, it is recommended to rebuild the mesh. The process rebuilds the current mesh of selected object regions according to the global optimum without the movement of mesh nodes.
512 512  
... ... @@ -517,7 +517,7 @@
517 517  
518 518  If the [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image042.png]] //Rebuild// command results drastic changes in the mesh, **smoothing** algorithm is also recommended. The best, the most optimal finite element meshes can be achieved with the iterative usage of the two commands.
519 519  
520 -**Smooth**
520 +== **Smooth** ==
521 521  
522 522  Smooth process calculates the optimal coordinates of the corner element nodes. Smoothing the mesh is highly recommended after **splitting** or **merging** elements. If the mesh is modified drastically after **rebuild**, use smoothing for the model. The best, the most optimal finite element meshes can be achieved with the iterative use of the **//rebuild//** and the smoothing.
523 523  
... ... @@ -533,7 +533,7 @@
533 533  
534 534  Figure: Topological errors found by Check
535 535  
536 -**Generate (vs. Prepare)**
536 +== **Generate (vs. Prepare)** ==
537 537  
538 538  Automatic mesh generation can be done by planar object region with the [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]] //Generate// command. (**Prepare** runs automatic mesh generation for the entire structural model.) //Generate //takes into consideration the manual editing functions (such as **Fixed point**, **Fixed line**, **Peak smoothing**, **Division number** and **Average element size**) and the **Mesh settings** excluding the **Check**, the **Smooth** and the **Prepare** settings. //Generate// is also recommended to find defective geometric finite elements by checking (generating mesh) regions by regions.
539 539  
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