162 lines
8.5 KiB
Markdown
162 lines
8.5 KiB
Markdown
|
<!-- Begin breadcrumb -->
|
||
|
|
<ul class="uk-breadcrumb">
|
||
|
|
<li><a href="{{ "/pages/tutorial/index.html" | relative_url }}">Tutorials & Examples</a></li>
|
||
|
|
<li><span>Stratigraphic Hex Mesh Tutorial</span></li>
|
||
|
|
</ul>
|
||
|
|
<!-- End breadcrumb -->
|
||
|
|
|
||
|
|
<!-- Begin image slideshow -->
|
||
|
|
<div class="uk-position-relative uk-visible-toggle uk-light" tabindex="-1" uk-slideshow>
|
||
|
|
<ul class="uk-slideshow-items">
|
||
|
|
<li>
|
||
|
|
<img data-src="{{ "/pages/tutorial/stratigraphy/images/03_hex_01_set_imt_itetclr.png" | relative_url }}" width="1800" height="1200" alt="" uk-cover uk-img="target: !.uk-slideshow-items">
|
||
|
|
</li>
|
||
|
|
<li>
|
||
|
|
<img data-src="{{ "/pages/tutorial/stratigraphy/images/03_hex_01_set_imt_itetclr_threshold_remove_material3.png" | relative_url }}" width="1800" height="1200" alt="" uk-cover uk-img="target: !.uk-slideshow-items">
|
||
|
|
</li>
|
||
|
|
</ul>
|
||
|
|
<a class="uk-position-center-left uk-position-small uk-hidden-hover" href="#" uk-slidenav-previous uk-slideshow-item="previous"></a>
|
||
|
|
<a class="uk-position-center-right uk-position-small uk-hidden-hover" href="#" uk-slidenav-next uk-slideshow-item="next"></a>
|
||
|
|
</div>
|
||
|
|
<!-- End image slideshow -->
|
||
|
|
<br/>
|
||
|
|
|
||
|
|
<h2 id="map-surfaces-to-mesh" class="uk-h3 uk-margin-remove">4. Map Surfaces to Mesh</h2>
|
||
|
|
|
||
|
|
Now that the straitipgrahy has been modeled and we are comfortable with our
|
||
|
|
results, we will map their spanning domain to the parent mesh. As done with the
|
||
|
|
psets above, this process will be driven via attributes.
|
||
|
|
|
||
|
|
We now have two planes spanning the X,Y domain of the mesh. These planes can be
|
||
|
|
leveraged to create different material IDs at different regions of the
|
||
|
|
subsurface.
|
||
|
|
|
||
|
|
For example,
|
||
|
|
|
||
|
|
* For all nodes/cells above plane 1, set their material ID to 1
|
||
|
|
* For all nodes/cells between plane 1 and plane 2, set their material ID to 2
|
||
|
|
* For all nodes/cells below plane 2, set their material ID to 3
|
||
|
|
|
||
|
|
This process can be accomplished by:
|
||
|
|
|
||
|
|
1. Defining the above regions using the `region` keyword
|
||
|
|
2. Capturing the relevant nodes and elements that fall within the defined regions
|
||
|
|
3. Setting the node and element material IDs based on the `psets` and `eltsets`
|
||
|
|
|
||
|
|
### 4.1 Defining Regions
|
||
|
|
|
||
|
|
The syntax for `region` is:
|
||
|
|
|
||
|
|
region / region_name / region_definition
|
||
|
|
|
||
|
|
where `region_definition` is a string composed of boolean operators and
|
||
|
|
instantiated `surface` objects.
|
||
|
|
|
||
|
|
Recall that we have defined two planes, `mosurf1` and `mosurf2`. We would like
|
||
|
|
to generate the `region` objects from these planes, but the arguments for
|
||
|
|
`region` require `surface` objects.
|
||
|
|
|
||
|
|
Fortunately, we can map the planes to a `surface` very easily. The syntax for
|
||
|
|
generating a `surface` object from a quad or triangle mesh is:
|
||
|
|
|
||
|
|
surface / surface_name / reflect / sheet / input_mesh
|
||
|
|
|
||
|
|
The two planes can then be mapped to surface objects:
|
||
|
|
|
||
|
|
```
|
||
|
|
surface / s_1 / reflect / sheet / mosurf1
|
||
|
|
surface / s_2 / reflect / sheet / mosurf2
|
||
|
|
```
|
||
|
|
|
||
|
|
And finally, we can remove the plane meshes and define regions:
|
||
|
|
|
||
|
|
```
|
||
|
|
cmo / delete / mosurf1
|
||
|
|
cmo / delete / mosurf2
|
||
|
|
cmo / select / MONAME
|
||
|
|
|
||
|
|
region / r_1 / le s_1
|
||
|
|
region / r_2 / gt s_1 and le s_2
|
||
|
|
region / r_3 / gt s_2
|
||
|
|
```
|
||
|
|
|
||
|
|
### 4.2 Creating Eltsets and PSets from Regions
|
||
|
|
|
||
|
|
Point sets and element sets can easily be created through region objects.
|
||
|
|
The syntax is:
|
||
|
|
|
||
|
|
pset / pset_name / region / region_object / 1,0,0
|
||
|
|
eltset / eltset_name / region / region_object
|
||
|
|
|
||
|
|
Applying this to our `region` objects yields:
|
||
|
|
|
||
|
|
```
|
||
|
|
pset / p_r_1 / region / r_1 / 1 0 0
|
||
|
|
pset / p_r_2 / region / r_2 / 1 0 0
|
||
|
|
pset / p_r_3 / region / r_3 / 1 0 0
|
||
|
|
|
||
|
|
eltset / e_r_1 / region / r_1
|
||
|
|
eltset / e_r_2 / region / r_2
|
||
|
|
eltset / e_r_3 / region / r_3
|
||
|
|
```
|
||
|
|
|
||
|
|
### 4.3 Setting Attributes from Eltsets and PSets
|
||
|
|
|
||
|
|
Recall that the node attribute `imt` holds the 'node colors' of the mesh, and
|
||
|
|
cell attribute `itetclr` stores the 'cell colors' (or material ID).
|
||
|
|
|
||
|
|
Let's use the defined `pset`s and `eltset`s to change these:
|
||
|
|
|
||
|
|
```
|
||
|
|
cmo / setatt / MONAME / imt / pset get p_r_1 / 1
|
||
|
|
cmo / setatt / MONAME / imt / pset get p_r_2 / 2
|
||
|
|
cmo / setatt / MONAME / imt / pset get p_r_3 / 3
|
||
|
|
|
||
|
|
cmo / setatt / MONAME / itetclr / eltset get e_r_1 / 1
|
||
|
|
cmo / setatt / MONAME / itetclr / eltset get e_r_2 / 2
|
||
|
|
cmo / setatt / MONAME / itetclr / eltset get e_r_3 / 3
|
||
|
|
```
|
||
|
|
|
||
|
|
Our mesh's cells and nodes now store information about their intersections
|
||
|
|
with the cut-planes. Visualizing `itetclr`, we can see that this has behaved
|
||
|
|
as expected:
|
||
|
|
|
||
|
|
<!-- Lightbox image -->
|
||
|
|
<div class="uk-child-width-1-2@m" uk-grid uk-lightbox="animation: slide">
|
||
|
|
<div>
|
||
|
|
<a class="uk-inline" href="{{ "/pages/tutorial/stratigraphy/images/ch4.png" | relative_url }}" data-caption="Visualization of materialID">
|
||
|
|
<img src="{{ "/pages/tutorial/stratigraphy/images/ch4.png" | relative_url }}" alt="">
|
||
|
|
</a>
|
||
|
|
</div>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
<!-- Next / Prev -->
|
||
|
|
<ul class="uk-pagination">
|
||
|
|
<li><a href="{{ "/pages/tutorial/stratigraphy/step_03.html" | relative_url }}"><span class="uk-margin-small-right" uk-pagination-previous></span> Previous</a></li>
|
||
|
|
<li class="uk-margin-auto-left"><a href="{{ "/pages/tutorial/stratigraphy/step_05.html" | relative_url }}">Next <span class="uk-margin-small-left" uk-pagination-next></span></a></li>
|
||
|
|
</ul>
|
||
|
|
|
||
|
|
<!-- Sidebar -->
|
||
|
|
<div class="tm-sidebar-right uk-visible@l">
|
||
|
|
<div uk-sticky="offset: 160" class="uk-sticky uk-active uk-sticky-fixed" style="position: fixed; top: 160px; width: 200px;">
|
||
|
|
<ul uk-scrollspy-nav="closest: li; scroll: true; offset: 100" class="uk-nav uk-nav-default tm-nav uk-nav-parent-icon">
|
||
|
|
<li class=""><a href="{{ "/pages/tutorial/stratigraphy/index.html" | relative_url }}">Index</a></li>
|
||
|
|
<li class=""><a href="{{ "/pages/tutorial/stratigraphy/step_01.html" | relative_url }}">1. Building a Hex Mesh</a></li>
|
||
|
|
<li class=""><a href="{{ "/pages/tutorial/stratigraphy/step_02.html" | relative_url }}">2. Define Boundaries Using Point Sets</a></li>
|
||
|
|
<li class=""><a href="{{ "/pages/tutorial/stratigraphy/step_03.html" | relative_url }}">3. Constructing Stratigraphy</a></li>
|
||
|
|
<li class="uk-active"><a href="#map-surfaces-to-mesh">4. Map Surfaces to Mesh</a></li>
|
||
|
|
<li class=""><a href="{{ "/pages/tutorial/stratigraphy/step_05.html" | relative_url }}">5. Constructing a Fault</a></li>
|
||
|
|
<li class=""><a href="{{ "/pages/tutorial/stratigraphy/step_06.html" | relative_url }}">6. Truncate with Polyline</a></li>
|
||
|
|
<li class=""><a href="{{ "/pages/tutorial/stratigraphy/step_07.html" | relative_url }}">7. Refine Fault</a></li>
|
||
|
|
<li class=""><a href="{{ "/pages/tutorial/stratigraphy/step_08.html" | relative_url }}">8. Insert Wells</a></li>
|
||
|
|
<li class=""><a href="{{ "/pages/tutorial/stratigraphy/step_09.html" | relative_url }}">9. Convert Hex Mesh to Tet</a></li>
|
||
|
|
<li class=""><a href="{{ "/pages/tutorial/stratigraphy/step_10_fehm.html" | relative_url }}">10.1 Write FEHM Files</a></li>
|
||
|
|
<li class=""><a href="{{ "/pages/tutorial/stratigraphy/step_10_exo.html" | relative_url }}">10.2 Write ExodusII Files</a></li>
|
||
|
|
<li class="uk-nav-divider"></li>
|
||
|
|
<!---->
|
||
|
|
<li><a href="{{ "/pages/tutorial/stratigraphy/images/gallery.html" | relative_url }}" target="_blank"><span uk-icon="icon: image" class="uk-margin-small-right uk-icon"></span> <span class="uk-text-middle">Image Gallery</span></a></li>
|
||
|
|
<li><a href="https://github.com/lanl/LaGriT/issues" target="_blank"><span uk-icon="icon: warning" class="uk-margin-small-right uk-icon"><svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" data-svg="warning"><circle cx="10" cy="14" r="1"></circle><circle fill="none" stroke="#000" stroke-width="1.1" cx="10" cy="10" r="9"></circle><path d="M10.97,7.72 C10.85,9.54 10.56,11.29 10.56,11.29 C10.51,11.87 10.27,12 9.99,12 C9.69,12 9.49,11.87 9.43,11.29 C9.43,11.29 9.16,9.54 9.03,7.72 C8.96,6.54 9.03,6 9.03,6 C9.03,5.45 9.46,5.02 9.99,5 C10.53,5.01 10.97,5.44 10.97,6 C10.97,6 11.04,6.54 10.97,7.72 L10.97,7.72 Z"></path></svg></span> <span class="uk-text-middle">Report issue</span></a></li>
|
||
|
|
<li><a href="mailto:lagrit-dev@lanl.gov" target="_blank"><span uk-icon="icon: commenting" class="uk-margin-small-right uk-icon"><svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg" data-svg="commenting"><polygon fill="none" stroke="#000" points="1.5,1.5 18.5,1.5 18.5,13.5 10.5,13.5 6.5,17.5 6.5,13.5 1.5,13.5"></polygon><circle cx="10" cy="8" r="1"></circle><circle cx="6" cy="8" r="1"></circle><circle cx="14" cy="8" r="1"></circle></svg></span> <span class="uk-text-middle">Get help</span></a></li>
|
||
|
|
</ul>
|
||
|
|
</div>
|
||
|
|
</div>
|