1 files changed, 6 insertions, 0 deletions
diff --git a/param.ccl b/param.ccl
index 4e3fda5..ff72a06 100644
--- a/param.ccl
+++ b/param.ccl
@@ -27,6 +27,12 @@ BOOLEAN scale_with_h "Should we scale the dissipation with the grid spacing h"
 {
 } "no"
 
+KEYWORD dissipation_type "Type of dissipation operator" STEERABLE=always
+{
+  "Mattson-Svard-Nordstrom" :: "Mattson, Svaerd and Nordstroem type"
+  "Kreiss-Oliger" :: "Kreiss-Oliger modified near the boundaries"
+} "Mattson-Svard-Nordstrom"
+
 REAL epsdis "Dissipation strength" STEERABLE=always
 {
   *:* :: "Values typical between 0 and 1"