From b317d0e782258ff24e2146e8a9a9831beff431d8 Mon Sep 17 00:00:00 2001
From: David Seus <david.seus@ians.uni-stuttgart.de>
Date: Tue, 13 Oct 2020 15:00:52 +0200
Subject: [PATCH] explain LDD scheme parameters

---
 Usecases/README.md | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/Usecases/README.md b/Usecases/README.md
index 2c8f9da..2c8bfd2 100644
--- a/Usecases/README.md
+++ b/Usecases/README.md
@@ -182,7 +182,16 @@ include_gravity = True
 debugflag = True
 analyse_condition = False
 ~~~
-This block sets parameters for the LDD solver. Namely L and λ
+This block sets parameters for the LDD solver. Namely L and λ.
+- `L`: Each subdomain (say with index k) should get up to a pair of L parameters
+one for each phase, i.e. `Lwk =` in the case of Richards and `Lwk =, Lnwk =` if two-phase flow is assumed.
+
+- `λ`: Similary, each interfaces should get a pair of λ values. Since in the above example we only have one interface, we only get one pair of λ values.
+See multi-domain examples for a generalisation.
+
+- `include_gravity = True/False`: toggle the inclusion of gravity.
+- `debugflag = True/False`: toggle debugging output.
+- `analyse_condition = False/False`: toggle the inclusion of condition number analysis. Setting this setting to `True` might impact performance since the calculation of condition numbers can be quite time consuming.
 
 ### I/O CONFIG
 ~~~python
-- 
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