[Jsbsim-cvslogs] CVS: JSBSim/scripts p51d_tail_wind.xml,NONE,1.1

[Bertrand <bco...@us...>]

Update of /cvsroot/jsbsim/JSBSim/scripts
In directory sfp-cvs-1.v30.ch3.sourceforge.com:/tmp/cvs-serv31952/scripts

Added Files:
	p51d_tail_wind.xml 
Log Message:
New script that triggers SF bug #115: P51D crash when advance ratio goes through zero

--- NEW FILE ---
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="http://jsbsim.sf.net/JSBSimScript.xsl"?>
<runscript xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="http://jsbsim.sf.net/JSBSimScript.xsd"
    name="p51d-tail-wind">
  <use aircraft="p51d" initialize="reset01"/>
  <run start="0.0" end="30" dt="0.008333">
    <property> simulation/notify-time-trigger </property>

    <!-- Initialize with brakes on -->
    <property value="1"> fcs/left-brake-cmd-norm   </property>
    <property value="1"> fcs/right-brake-cmd-norm  </property>
    <property value="1"> fcs/center-brake-cmd-norm </property>

    <!-- Prepare a tail wind cosine gust -->
    <property value="5">  atmosphere/cosine-gust/startup-duration-sec </property>
    <property value="1">  atmosphere/cosine-gust/steady-duration-sec  </property>
    <property value="5">  atmosphere/cosine-gust/end-duration-sec     </property>
    <property value="25"> atmosphere/cosine-gust/magnitude-ft_sec     </property>
    <property value="3">  atmosphere/cosine-gust/frame                </property>
    <property value="0">  atmosphere/cosine-gust/X-velocity-ft_sec    </property>
    <property value="1">  atmosphere/cosine-gust/Y-velocity-ft_sec    </property>
    <property value="0">  atmosphere/cosine-gust/Z-velocity-ft_sec    </property>

    <event name="Engine start">
      <description>Start the engine</description>
      <condition> simulation/sim-time-sec >= 4.0 </condition>
      <set name="fcs/throttle-cmd-norm"  value="0.5" action="FG_RAMP" tc ="0.5"/>
      <set name="propulsion/magneto_cmd" value="3"/>
      <set name="propulsion/starter_cmd" value="1"/>
      <notify>
        <property caption="Throttle pos:         "> fcs/throttle-pos-norm[0] </property>
        <property caption="Mixture pos:          "> fcs/mixture-pos-norm[0] </property>
        <property caption="Weight (lbs):         "> inertia/weight-lbs </property>
        <property caption="Propeller RPM:        "> propulsion/engine/propeller-rpm </property>
      </notify>
    </event>

    <event name="Throttling back to idle">
      <condition> simulation/sim-time-sec >= 8.0 </condition>
      <set name="fcs/throttle-cmd-norm"  value="0.0" action="FG_RAMP" tc ="0.5"/>
      <notify>
        <property caption="Throttle pos:         "> fcs/throttle-pos-norm[0] </property>
        <property caption="Mixture pos:          "> fcs/mixture-pos-norm[0] </property>
        <property caption="Weight (lbs):         "> inertia/weight-lbs </property>
        <property caption="Propeller RPM:        "> propulsion/engine/propeller-rpm </property>
      </notify>
    </event>

    <event name="Tailwind gust">
      <condition> simulation/sim-time-sec >= 15 </condition>
      <set name="atmosphere/cosine-gust/start" value="1"/>
      <set name="fcs/elevator-cmd-norm" value="-1.0"/>
      <notify>
        <property caption="Cal. airspeed (kts):  "> velocities/vc-kts</property>
        <property caption="Altitude (AGL, ft):   "> position/h-agl-ft</property>
        <property caption="Throttle pos:         "> fcs/throttle-pos-norm[0] </property>
        <property caption="Propeller RPM:        "> propulsion/engine/propeller-rpm </property>
      </notify>
    </event>

    <event name="Time Notify" persistent="true">
      <description>Output message at 1 second intervals</description>
      <condition> simulation/sim-time-sec >= simulation/notify-time-trigger </condition>
      <set name="simulation/notify-time-trigger" value="1" type="FG_DELTA"/>
      <notify>
        <property caption="Cal. airspeed (kts):  "> velocities/vc-kts</property>
        <property caption="Altitude (AGL, ft):   "> position/h-agl-ft</property>
        <property caption="Latitude (geod, deg): "> position/lat-geod-deg</property>
        <property caption="Altitude (geod, ft):  "> position/geod-alt-ft</property>
        <property caption="Throttle pos:         "> fcs/throttle-pos-norm[0] </property>
        <property caption="Mixture pos:          "> fcs/mixture-pos-norm[0] </property>
        <property caption="Weight (lbs):         "> inertia/weight-lbs </property>
        <property caption="Propeller RPM:        "> propulsion/engine/propeller-rpm </property>
        <property caption="Elevator position (rad)"> fcs/elevator-pos-rad </property>
      </notify>
    </event>
  </run>

  <output name="p51d.csv" type="CSV" rate="120">
    <rates> ON             </rates>
    <velocities> ON        </velocities>
    <position> ON          </position>
    <atmosphere> OFF       </atmosphere>
    <fcs> OFF              </fcs>
    <ground_reactions> OFF </ground_reactions>
    <propulsion> ON        </propulsion>
    <simulation> ON        </simulation>
    <massprops> OFF        </massprops>
    <forces> ON            </forces>
    <moments> ON           </moments>
    <aerosurfaces> OFF     </aerosurfaces>
    <coefficients> ON      </coefficients>
    <property> propulsion/engine/advance-ratio </property>
    <property> propulsion/engine/prop-induced-velocity_fps </property>
    <property> aero/cl-squared </property>
  </output>
</runscript>