From 901ee4482729a4406508b29606d09418896e68cf Mon Sep 17 00:00:00 2001
From: Andrew Heather <a.heather@opencfd.co.uk>
Date: Fri, 16 Dec 2016 19:53:57 +0000
Subject: [PATCH] BUG: Re-applying commit e73d2c5d

---
 .../noise/noiseModels/surfaceNoise/surfaceNoise.C               | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/randomProcesses/noise/noiseModels/surfaceNoise/surfaceNoise.C b/src/randomProcesses/noise/noiseModels/surfaceNoise/surfaceNoise.C
index 1ff7e53ee7..faed14eea6 100644
--- a/src/randomProcesses/noise/noiseModels/surfaceNoise/surfaceNoise.C
+++ b/src/randomProcesses/noise/noiseModels/surfaceNoise/surfaceNoise.C
@@ -589,7 +589,7 @@ void surfaceNoise::calculate()
 
             forAll(surfPrmsf, i)
             {
-                label freqI = i*fftWriteInterval_;
+                label freqI = (i + 1)*fftWriteInterval_ - 1;
                 fOut[i] = freq1[freqI];
                 const word gName = "fft";
                 PrmsfAve[i] = writeSurfaceData