From 1693a364e4089ee5eb5dd4efcf340e41d5d39455 Mon Sep 17 00:00:00 2001
From: david <david>
Date: Wed, 12 Feb 2003 18:34:51 +0000
Subject: [PATCH] Square the /environment/turbulence-norm property before
 scaling it for FGAtmosphere -- that way, there are finer distinctions in the
 lower end, where most people will fly.

---
 src/FDM/JSBSim/JSBSim.cxx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/FDM/JSBSim/JSBSim.cxx b/src/FDM/JSBSim/JSBSim.cxx
index 2633332df..aaa08ef87 100644
--- a/src/FDM/JSBSim/JSBSim.cxx
+++ b/src/FDM/JSBSim/JSBSim.cxx
@@ -212,7 +212,9 @@ void FGJSBsim::init() {
                   9.0/5.0*(temperature->getDoubleValue()+273.15) );
       Atmosphere->SetExPressure(pressure->getDoubleValue()*70.726566);
       Atmosphere->SetExDensity(density->getDoubleValue());
-      Atmosphere->SetTurbGain(turbulence->getDoubleValue()*100.0);
+      Atmosphere->SetTurbGain(turbulence->getDoubleValue() *
+                              turbulence->getDoubleValue() *
+                              100.0);
     } else {
       Atmosphere->UseInternal();
     }
@@ -400,7 +402,9 @@ bool FGJSBsim::copy_to_JSBsim() {
                   9.0/5.0*(temperature->getDoubleValue()+273.15) );
     Atmosphere->SetExPressure(pressure->getDoubleValue()*70.726566);
     Atmosphere->SetExDensity(density->getDoubleValue());
-    Atmosphere->SetTurbGain(turbulence->getDoubleValue()*100.0);
+    Atmosphere->SetTurbGain(turbulence->getDoubleValue() *
+                            turbulence->getDoubleValue() *
+                            100.0);
 
     Atmosphere->SetWindNED( wind_from_north->getDoubleValue(),
                             wind_from_east->getDoubleValue(),
-- 
2.39.5