Merge pull request #380 from nens/309-side-view-of-how-obstacles-work

side-view of obstacles
nens · Jan 31, 2024 · 567d584 · 567d584
2 parents 159ab8f + 8ef4119
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diff --git a/source/h_surfaceflow.rst b/source/h_surfaceflow.rst
@@ -40,9 +40,16 @@ If the model wishes to include an obstacle that may not be detected by the compu
    :alt: virtual_conservation_box
    :align: right
 
-   Figure 2: A computational grid for 2D flow including local grid refinements. The momentum domains in x- (pink) and y-direction (blue) are indicated by the planes. The obstacle elements are given with a green line and the flow links with a dashed blue line. The flow links closed by the obstacle are marked with a thick red line.
+   A computational grid for 2D flow including local grid refinements. The momentum domains in x- (pink) and y-direction (blue) are indicated by the planes. The obstacle elements are given with a green line and the flow links with a dashed blue line. The flow links closed by the obstacle are marked with a thick red line.
 
 
+.. figure:: image/side-view-obstacle-cross-section.png
+   :scale: 80%
+   :alt: virtual_conservation_box
+   :align: center
+
+   In sub-figure (A) the flow can freely flow from left to right as the blocking features are not on the cell edges. Sub-figure (B) shows the effect of the obstacle: it affects the exchange level of the nearest cell edge.
+
 Friction
 --------
 

diff --git a/source/image/side-view-obstacle-cross-section.png b/source/image/side-view-obstacle-cross-section.png