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Move the turbulence magnitude away from the peaks.

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This commit is contained in:
david 2003-07-01 20:52:12 +00:00
parent 27abc68450
commit 16635b6b98
1 changed files with 5 additions and 1 deletions
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6
src/FDM/JSBSim/FGAtmosphere.cpp
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@ -267,7 +267,11 @@ void FGAtmosphere::Turbulence(void)
vDirectiondAccelDt(eY) = 1 - 2.0*(double(rand())/double(RAND_MAX)); vDirectiondAccelDt(eY) = 1 - 2.0*(double(rand())/double(RAND_MAX));
vDirectiondAccelDt(eZ) = 1 - 2.0*(double(rand())/double(RAND_MAX)); vDirectiondAccelDt(eZ) = 1 - 2.0*(double(rand())/double(RAND_MAX));
MagnitudedAccelDt = 1 - 2.0*(double(rand())/double(RAND_MAX)); MagnitudedAccelDt = 1 - 2.0*(double(rand())/double(RAND_MAX)) - Magnitude;
// Scale the magnitude so that it moves
// away from the peaks
MagnitudedAccelDt = ((MagnitudedAccelDt - Magnitude) /
(1 + fabs(Magnitude)));
MagnitudeAccel += MagnitudedAccelDt*rate*State->Getdt(); MagnitudeAccel += MagnitudedAccelDt*rate*State->Getdt();
Magnitude += MagnitudeAccel*rate*State->Getdt(); Magnitude += MagnitudeAccel*rate*State->Getdt();