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fgdata/Aircraft/c172p/Systems/c172p-damage.xml
Stuart Buchanan 1ab65221b1 Final V3.6.0 version of c172p-detailed.
https://github.com/Juanvvc/c172p-detailed
commit 874b89fedff35dfe1967e09365d3cb0d5b11522c
2015-07-24 18:37:16 +01:00

486 lines
18 KiB
XML

<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright (c) 2015 onox
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
-->
<system name="c172p damage">
<channel name="gear-forces">
<!--
References:
[1] https://www.youtube.com/watch?v=O1yWkbJuqkE#t=420
-->
<!--
Numbers MUST be the same coefficients as spring_coeff and
damping_coeff in the FDM for nose and main gear!
-->
<fcs_function name="damage/force-nose-gear">
<function>
<sum>
<product>
<value>1800</value><!-- spring coefficient -->
<property>gear/unit[0]/compression-ft</property>
</product>
<product>
<value>600</value><!-- damping coefficient -->
<property>gear/unit[0]/compression-velocity-fps</property>
</product>
</sum>
</function>
</fcs_function>
<fcs_function name="damage/force-left-gear">
<function>
<sum>
<product>
<value>5400</value><!-- spring coefficient -->
<property>gear/unit[1]/compression-ft</property>
</product>
<product>
<value>400</value><!-- damping coefficient -->
<property>gear/unit[1]/compression-velocity-fps</property>
</product>
</sum>
</function>
</fcs_function>
<fcs_function name="damage/force-right-gear">
<function>
<sum>
<product>
<value>5400</value><!-- spring coefficient -->
<property>gear/unit[2]/compression-ft</property>
</product>
<product>
<value>400</value><!-- damping coefficient -->
<property>gear/unit[2]/compression-velocity-fps</property>
</product>
</sum>
</function>
</fcs_function>
<switch name="nose-gear-broken">
<output>gear/unit[0]/broken</output>
<default value="gear/unit[0]/broken"/>
<!-- No damage -->
<test logic="OR" value="0">
settings/damage EQ 0
damage/repairing EQ 1
simulation/sim-time-sec LT 0.25
</test>
<test logic="AND" value="1">
damage/force-nose-gear GT 1500.0
gear/unit[0]/compression-ft GT 0.3
</test>
</switch>
<switch name="left-gear-broken">
<output>gear/unit[1]/broken</output>
<default value="gear/unit[1]/broken"/>
<!-- No damage -->
<test logic="OR" value="0">
settings/damage EQ 0
damage/repairing EQ 1
simulation/sim-time-sec LT 0.25
</test>
<!-- [1] used to guess required force -->
<test logic="AND" value="1">
damage/force-left-gear GT 6500.0
gear/unit[1]/compression-ft GT 0.8
</test>
<!-- Side force on left gear -->
<test logic="AND" value="1">
forces/fby-gear-lbs GT 1500.0
gear/unit[1]/compression-ft GT 0.23
</test>
</switch>
<switch name="right-gear-broken">
<output>gear/unit[2]/broken</output>
<default value="gear/unit[2]/broken"/>
<!-- No damage -->
<test logic="OR" value="0">
settings/damage EQ 0
damage/repairing EQ 1
simulation/sim-time-sec LT 0.25
</test>
<!-- [1] used to guess required force -->
<test logic="AND" value="1">
damage/force-right-gear GT 6500.0
gear/unit[2]/compression-ft GT 0.8
</test>
<!-- Side force on right gear -->
<test logic="AND" value="1">
forces/fby-gear-lbs LT -1500.0
gear/unit[2]/compression-ft GT 0.23
</test>
</switch>
</channel>
<channel name="wing-damage">
<!-- Roll moment due to (diedra + roll rate + yaw rate + ailerons) -->
<fcs_function name="damage/roll-moment">
<function>
<sum>
<property>aero/coefficient/Clb</property>
<property>aero/coefficient/Clp</property>
<property>aero/coefficient/Clr</property>
<property>aero/coefficient/ClDa</property>
</sum>
</function>
</fcs_function>
<!-- Limits for overspeed damage -->
<pure_gain name="damage/limits-vne-high">
<input>/limits/vne</input>
<gain>1.225</gain>
</pure_gain>
<pure_gain name="damage/limits-vne-medium">
<input>/limits/vne</input>
<gain>1.14</gain>
</pure_gain>
<pure_gain name="damage/limits-vne-low">
<input>/limits/vne</input>
<gain>1.0</gain>
</pure_gain>
<!-- Limits for over-g damage, lift-force driven -->
<pure_gain name="damage/limits-lift-high">
<input>/fdm/jsbsim/inertia/weight-lbs</input>
<gain>5.7</gain> <!-- 3.8 g's x 1.5 -->
</pure_gain>
<pure_gain name="damage/limits-lift-medium">
<input>/fdm/jsbsim/inertia/weight-lbs</input>
<gain>4.75</gain> <!-- 3.8 g's x 1.25 -->
</pure_gain>
<pure_gain name="damage/limits-lift-low">
<input>/fdm/jsbsim/inertia/weight-lbs</input>
<gain>3.8</gain> <!-- 3.8 g's -->
</pure_gain>
<pure_gain name="damage/force-aero-lbs">
<input>forces/fbz-aero-lbs</input>
<gain>-1.0</gain>
</pure_gain>
<pure_gain name="damage/force-gear-lbs">
<input>forces/fbz-gear-lbs</input>
<gain>-1.0</gain>
</pure_gain>
<!-- Wings collapsed -->
<switch name="wings-collapsed">
<output>crash</output>
<default value="crash"/>
<!-- No damage -->
<test logic="OR" value="0.0">
settings/damage EQ 0
damage/repairing EQ 1
simulation/sim-time-sec LT 0.25
</test>
<test logic="AND" value="1.0">
contact/unit[6]/WOW EQ 1
contact/unit[7]/WOW EQ 1
contact/unit[8]/WOW EQ 1
damage/force-gear-lbs GT damage/limits-lift-high
wing-damage/left-wing LT 1.0
wing-damage/right-wing LT 1.0
</test>
</switch>
<!-- Left wing damage -->
<switch name="left-wing-damage">
<output>wing-damage/left-wing</output>
<default value="wing-damage/left-wing"/>
<!-- No damage -->
<test logic="OR" value="0.0">
settings/damage EQ 0
damage/repairing EQ 1
simulation/sim-time-sec LT 0.25
</test>
<!-- ================================================================== -->
<!-- Broken -->
<!-- ================================================================== -->
<!-- Break wing when its wing tip hits the ground or an object -->
<test logic="OR" value="1.0">
contact/unit[4]/compression-ft GT 0.005
crash EQ 1
</test>
<!-- Overspeed -->
<test logic="AND" value="1.0">
/velocities/airspeed-kt GT damage/limits-vne-high
</test>
<test logic="AND" value="1.0">
/velocities/airspeed-kt GT damage/limits-vne-medium
damage/roll-moment GT 4000.0
wing-damage/right-wing GT 0.0
</test>
<!-- Over-g -->
<test logic="AND" value="1.0">
damage/force-aero-lbs GT damage/limits-lift-high
</test>
<test logic="AND" value="1.0">
damage/force-aero-lbs GT damage/limits-lift-medium
damage/roll-moment GT 4000.0
wing-damage/right-wing LT 1.0
wing-damage/right-wing GT 0.0
</test>
<!-- ================================================================== -->
<!-- Heavy damage -->
<!-- ================================================================== -->
<!-- Over-g -->
<test logic="AND" value="0.3">
damage/force-aero-lbs GT damage/limits-lift-medium
damage/roll-moment LT 4000.0
damage/roll-moment GT -4000.0
wing-damage/left-wing LT 0.3
</test>
<!-- Overspeed -->
<test logic="AND" value="0.3">
/velocities/airspeed-kt GT damage/limits-vne-medium
damage/roll-moment LT 4000.0
damage/roll-moment GT -4000.0
wing-damage/left-wing LT 0.3
</test>
<!-- ================================================================== -->
<!-- Light damage -->
<!-- ================================================================== -->
<!-- Overspeed -->
<test logic="AND" value="0.12">
/velocities/airspeed-kt GT damage/limits-vne-low
damage/roll-moment GT 4000.0
wing-damage/left-wing EQ 0.0
</test>
<!-- Over-g -->
<test logic="AND" value="0.12">
damage/force-aero-lbs GT damage/limits-lift-medium
damage/roll-moment LT 4000.0
damage/roll-moment GT -4000.0
wing-damage/left-wing EQ 0.0
</test>
<test logic="AND" value="0.12">
damage/force-aero-lbs GT damage/limits-lift-low
damage/roll-moment GT 4000.0
wing-damage/left-wing EQ 0.0
</test>
</switch>
<!-- Right wing damage -->
<switch name="right-wing-damage">
<output>wing-damage/right-wing</output>
<default value="wing-damage/right-wing"/>
<!-- No damage -->
<test logic="OR" value="0.0">
settings/damage EQ 0
damage/repairing EQ 1
simulation/sim-time-sec LT 0.25
</test>
<!-- ================================================================== -->
<!-- Broken -->
<!-- ================================================================== -->
<!-- Break wing when its wing tip hits the ground or an object -->
<test logic="OR" value="1.0">
contact/unit[5]/compression-ft GT 0.005
crash EQ 1
</test>
<!-- Overspeed -->
<test logic="AND" value="1.0">
/velocities/airspeed-kt GT damage/limits-vne-high
</test>
<test logic="AND" value="1.0">
/velocities/airspeed-kt GT damage/limits-vne-medium
damage/roll-moment LT -4000.0
wing-damage/left-wing GT 0.0
</test>
<!-- Over-g -->
<test logic="AND" value="1.0">
damage/force-aero-lbs GT damage/limits-lift-high
</test>
<test logic="AND" value="1.0">
damage/force-aero-lbs GT damage/limits-lift-medium
damage/roll-moment LT -4000.0
wing-damage/left-wing LT 1.0
wing-damage/left-wing GT 0.0
</test>
<!-- ================================================================== -->
<!-- Heavy damage -->
<!-- ================================================================== -->
<!-- Over-g -->
<test logic="AND" value="0.3">
damage/force-aero-lbs GT damage/limits-lift-medium
damage/roll-moment LT 4000.0
damage/roll-moment GT -4000.0
wing-damage/right-wing LT 0.3
</test>
<!-- Overspeed -->
<test logic="AND" value="0.3">
/velocities/airspeed-kt GT damage/limits-vne-medium
damage/roll-moment LT 4000.0
damage/roll-moment GT -4000.0
wing-damage/right-wing LT 0.3
</test>
<!-- ================================================================== -->
<!-- Light damage -->
<!-- ================================================================== -->
<!-- Overspeed -->
<test logic="AND" value="0.12">
/velocities/airspeed-kt GT damage/limits-vne-low
damage/roll-moment LT -4000.0
wing-damage/right-wing EQ 0.0
</test>
<!-- Over-g -->
<test logic="AND" value="0.12">
damage/force-aero-lbs GT damage/limits-lift-medium
damage/roll-moment LT 4000.0
damage/roll-moment GT -4000.0
wing-damage/right-wing EQ 0.0
</test>
<test logic="AND" value="0.12">
damage/force-aero-lbs GT damage/limits-lift-low
damage/roll-moment LT -4000.0
wing-damage/right-wing EQ 0.0
</test>
</switch>
</channel>
<channel name="pontoon-damage">
<!-- Left pontoon damage -->
<switch name="left-pontoon-damage">
<output>pontoon-damage/left-pontoon</output>
<default value="pontoon-damage/left-pontoon"/>
<!-- No damage -->
<test logic="OR" value="0">
settings/damage EQ 0
damage/repairing EQ 1
simulation/sim-time-sec LT 0.25
</test>
<test logic="AND" value="0">
bushkit NE 3
bushkit NE 4
</test>
<!-- ================================================================== -->
<!-- Broken -->
<!-- ================================================================== -->
<test logic="OR" value="1">
contact/unit[13]/compression-ft GT 0.95
contact/unit[15]/compression-ft GT 0.95
contact/unit[17]/compression-ft GT 0.95
gear/unit[19]/compression-ft GT 0.95
gear/unit[21]/compression-ft GT 0.95
pontoon-damage/left-pontoon EQ 1
</test>
<!-- ================================================================== -->
<!-- Damaged -->
<!-- ================================================================== -->
<test logic="OR" value="2">
contact/unit[13]/compression-ft GT 0.75
contact/unit[15]/compression-ft GT 0.75
contact/unit[17]/compression-ft GT 0.75
gear/unit[19]/compression-ft GT 0.75
gear/unit[21]/compression-ft GT 0.75
</test>
</switch>
<!-- Right pontoon damage -->
<switch name="right-pontoon-damage">
<output>pontoon-damage/right-pontoon</output>
<default value="pontoon-damage/right-pontoon"/>
<!-- No damage -->
<test logic="OR" value="0">
settings/damage EQ 0
damage/repairing EQ 1
simulation/sim-time-sec LT 0.25
</test>
<test logic="AND" value="0">
bushkit NE 3
bushkit NE 4
</test>
<!-- ================================================================== -->
<!-- Broken -->
<!-- ================================================================== -->
<test logic="OR" value="1">
contact/unit[14]/compression-ft GT 0.95
contact/unit[16]/compression-ft GT 0.95
contact/unit[18]/compression-ft GT 0.95
gear/unit[20]/compression-ft GT 0.95
gear/unit[22]/compression-ft GT 0.95
pontoon-damage/right-pontoon EQ 1
</test>
<!-- ================================================================== -->
<!-- Damaged -->
<!-- ================================================================== -->
<test logic="OR" value="2">
contact/unit[14]/compression-ft GT 0.75
contact/unit[16]/compression-ft GT 0.75
contact/unit[18]/compression-ft GT 0.75
gear/unit[20]/compression-ft GT 0.75
gear/unit[22]/compression-ft GT 0.75
</test>
</switch>
</channel>
</system>