DHIJWASv Software FEFLOW 6.1

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mesh can be generated in vertical projection and
extended horizontally. In the latter case, the y axis in
FEFLOW points in the direction opposite to gravity,
similar to a 2D cross-sectional model.
Figure 6.2 Horizontal and vertical layering approaches.
The 3D Layer Configuration dialog also provides
tools to add or remove layers from existing models, and
to change layer thicknesses globally. The Validate
option allows to verify slice elevations with respect to a
certain minimum slice distance. Model properties of
new layers can be conveniently inherited from already
existing layers.
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FEFLOW expects all attached maps and the model
itself to share the same coordinate system. Maps using
differing coordinate systems can be transformed in
advance using the external software WGEO, which is
part of the FEFLOW software package.
In case that a geotransformation of the model itself
is necessary, the Geographic Transformation option in
the Mesh-Geometry toolbar can be used.
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All of the tools used in these exercises are located in
the Mesh-Generator toolbar
Figure 6.3 Mesh-Generator toolbar.
and in the Mesh-Geometry toolbar.
Figure 6.4 Mesh-Geometry toolbar.
Some mesh-editing options also require the tools of
the Selection toolbar.
Figure 6.5 Selection toolbar.
The first drop-down list in the toolbar gives access
to the available selection tools. The third drop-down
list allows to switch between different target geometries
(nodes, elements, edges, faces) for selections.