diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..bd47cf0
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "nass-simscape"]
+	path = matlab/nass-simscape
+	url = https://git.tdehaeze.xyz/tdehaeze/nass-simscape
diff --git a/matlab/nass-simscape b/matlab/nass-simscape
new file mode 160000
index 0000000..6956d39
--- /dev/null
+++ b/matlab/nass-simscape
@@ -0,0 +1 @@
+Subproject commit 6956d39ef86595230b490894a68723fea0042c45