From b277c25a61c78ba0b6309b44459b917bdc079ed6 Mon Sep 17 00:00:00 2001
From: David Seus <david.seus@ians.uni-stuttgart.de>
Date: Tue, 13 Oct 2020 16:03:30 +0200
Subject: [PATCH] explain domain substructuring block

---
 LDDsimulation/domainSubstructuring.py | 2 +-
 Usecases/README.md                    | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/LDDsimulation/domainSubstructuring.py b/LDDsimulation/domainSubstructuring.py
index 2a3de3b..bf9c7aa 100644
--- a/LDDsimulation/domainSubstructuring.py
+++ b/LDDsimulation/domainSubstructuring.py
@@ -1,4 +1,4 @@
-"""Class domainSubstructuring, Copyright 2020, David Seus
+"""Class domainSubstructuring and example substructurings, Copyright 2020, David Seus
 
 Provides the base class and example classes for domain substructurings used
 for LDD simulations within the LDDsimulation class.
diff --git a/Usecases/README.md b/Usecases/README.md
index d8aa96b..d583c84 100644
--- a/Usecases/README.md
+++ b/Usecases/README.md
@@ -273,6 +273,15 @@ adjacent_subdomains = substructuring.adjacent_subdomains
 subdomain_def_points = substructuring.subdomain_def_points
 outer_boundary_def_points = substructuring.outer_boundary_def_points
 ~~~
+This block sets the domain of simulation and its subdomain substructuring.
+In this block you only need to change the line
+~~~
+substructuring = dss.twoSoilLayers()
+~~~
+This block calls constructors of substructurings. These are classes defined in
+`../LDDsimulation/domainSubstructuring.py`.
+If you want to define your own substructurings have a look in that file.
+Some explantion is given in that file on how to define substructuring classes. 
 
 ### MODEL CONFIGURATION
 ~~~python
-- 
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