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A320-family/Systems/a320-ground-reactions.xml

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<?xml version="1.0"?>
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<!-- Airbus A320 JSBsim -->
<!-- Copyright (c) 2020 Josh Davidson (Octal450) -->
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<ground_reactions>
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<contact type="BOGEY" name="NOSE_LG">
<location unit="M">
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<x>-13.6519</x>
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<y>0</y>
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<z>-4.35683</z>
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</location>
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<static_friction>1.4</static_friction> <!-- Arbitrarily high to help nose wheel steering - no effect on braking -->
<dynamic_friction>0.6</dynamic_friction>
<rolling_friction>0.02</rolling_friction>
<spring_coeff unit="LBS/FT">30935.5</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">16978.5</damping_coeff>
<max_steer unit="DEG">75</max_steer>
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<table name="CORNERING_COEFF" type="internal">
<tableData> <!-- jsbsim-pacejka.py 3.0 0.03 2.85 1.4 1.03 1.4 -->
-90.0 -0.64429852792097750
-85.0 -0.65803784878515970
-80.0 -0.67367546323532410
-75.0 -0.69148835376736980
-70.0 -0.71179130570975040
-65.0 -0.73493212105552120
-60.0 -0.76127441823995780
-55.0 -0.79115479580170660
-50.0 -0.82478835297656280
-45.0 -0.86207184328003720
-40.0 -0.90218731471298370
-35.0 -0.94282786495867110
-30.0 -0.97874912755212280
-25.0 -0.99927325792190310
-20.0 -0.98471983766820350
-15.0 -0.90363984864415470
-10.0 -0.71770750752441240
-5.0 -0.40543502538657494
0.0 0.00000000000000000
5.0 0.40543502538657494
10.0 0.71770750752441240
15.0 0.90363984864415470
20.0 0.98471983766820350
25.0 0.99927325792190310
30.0 0.97874912755212280
35.0 0.94282786495867110
40.0 0.90218731471298370
45.0 0.86207184328003720
50.0 0.82478835297656280
55.0 0.79115479580170660
60.0 0.76127441823995780
65.0 0.73493212105552120
70.0 0.71179130570975040
75.0 0.69148835376736980
80.0 0.67367546323532410
85.0 0.65803784878515970
90.0 0.64429852792097750
</tableData>
</table>
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<brake_group>NONE</brake_group>
<retractable>1</retractable>
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</contact>
<contact type="BOGEY" name="LEFT_MLG">
<location unit="M">
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<x>-1.1393</x>
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<y>-4.32562</y>
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<z>-4.35908</z>
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</location>
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<static_friction>0.4</static_friction>
<dynamic_friction>0.6</dynamic_friction>
<rolling_friction>0.02</rolling_friction>
<spring_coeff unit="LBS/FT">59785</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">23957</damping_coeff>
<damping_coeff_rebound unit="LBS/FT/SEC">25</damping_coeff_rebound>
<max_steer unit="DEG">0</max_steer>
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<table name="CORNERING_COEFF" type="internal">
<tableData> <!-- jsbsim-pacejka.py 3.0 0.06 2.8 0.4 1.03 0.4 -->
-90.0 -0.5760395836174765
-85.0 -0.5776440181093163
-80.0 -0.5803918992801416
-75.0 -0.5845010317001210
-70.0 -0.5902476568617109
-65.0 -0.5979865464058901
-60.0 -0.6081793463286825
-55.0 -0.6214348494943271
-50.0 -0.6385661913510731
-45.0 -0.6606706311692150
-40.0 -0.6892340269266316
-35.0 -0.7262408296125531
-30.0 -0.7741813043425955
-25.0 -0.8355026710967954
-20.0 -0.9097416834082445
-15.0 -0.9818532434458515
-10.0 -0.9824937511496707
-5.0 -0.7127565569007204
0.0 0.0000000000000000
5.0 0.7127565569007204
10.0 0.9824937511496707
15.0 0.9818532434458515
20.0 0.9097416834082445
25.0 0.8355026710967954
30.0 0.7741813043425955
35.0 0.7262408296125531
40.0 0.6892340269266316
45.0 0.6606706311692150
50.0 0.6385661913510731
55.0 0.6214348494943271
60.0 0.6081793463286825
65.0 0.5979865464058901
70.0 0.5902476568617109
75.0 0.5845010317001210
80.0 0.5803918992801416
85.0 0.5776440181093163
90.0 0.5760395836174765
</tableData>
</table>
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<brake_group>LEFT</brake_group>
<retractable>1</retractable>
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</contact>
<contact type="BOGEY" name="RIGHT_MLG">
<location unit="M">
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<x>-1.1393</x>
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<y>4.32562</y>
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<z>-4.35908</z>
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</location>
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<static_friction>0.4</static_friction>
<dynamic_friction>0.6</dynamic_friction>
<rolling_friction>0.02</rolling_friction>
<spring_coeff unit="LBS/FT">59785</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">23957</damping_coeff>
<damping_coeff_rebound unit="LBS/FT/SEC">25</damping_coeff_rebound>
<max_steer unit="DEG">0</max_steer>
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<table name="CORNERING_COEFF" type="internal">
<tableData> <!-- jsbsim-pacejka.py 3.0 0.06 2.8 0.4 1.03 0.4 -->
-90.0 -0.5760395836174765
-85.0 -0.5776440181093163
-80.0 -0.5803918992801416
-75.0 -0.5845010317001210
-70.0 -0.5902476568617109
-65.0 -0.5979865464058901
-60.0 -0.6081793463286825
-55.0 -0.6214348494943271
-50.0 -0.6385661913510731
-45.0 -0.6606706311692150
-40.0 -0.6892340269266316
-35.0 -0.7262408296125531
-30.0 -0.7741813043425955
-25.0 -0.8355026710967954
-20.0 -0.9097416834082445
-15.0 -0.9818532434458515
-10.0 -0.9824937511496707
-5.0 -0.7127565569007204
0.0 0.0000000000000000
5.0 0.7127565569007204
10.0 0.9824937511496707
15.0 0.9818532434458515
20.0 0.9097416834082445
25.0 0.8355026710967954
30.0 0.7741813043425955
35.0 0.7262408296125531
40.0 0.6892340269266316
45.0 0.6606706311692150
50.0 0.6385661913510731
55.0 0.6214348494943271
60.0 0.6081793463286825
65.0 0.5979865464058901
70.0 0.5902476568617109
75.0 0.5845010317001210
80.0 0.5803918992801416
85.0 0.5776440181093163
90.0 0.5760395836174765
</tableData>
</table>
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<brake_group>RIGHT</brake_group>
<retractable>1</retractable>
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</contact>
<contact type="STRUCTURE" name="NOSE_1">
<location unit="M">
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<x>-18.8029</x>
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<y>0</y>
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<z>-0.86913</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>0.4</dynamic_friction>
<rolling_friction>0.4</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
<contact type="STRUCTURE" name="NOSE_2">
<location unit="M">
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<x>-15.86</x>
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<y>0</y>
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<z>1.41537</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>0.4</dynamic_friction>
<rolling_friction>0.4</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
<contact type="STRUCTURE" name="BOTTOM_1">
<location unit="M">
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<x>-14.0535</x>
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<y>0</y>
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<z>-2.2431</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>0.4</dynamic_friction>
<rolling_friction>0.4</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
<contact type="STRUCTURE" name="BOTTOM_2">
<location unit="M">
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<x>6.78689</x>
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<y>0</y>
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<z>-2.19094</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>0.4</dynamic_friction>
<rolling_friction>0.4</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
<contact type="STRUCTURE" name="TOP_1">
<location unit="M">
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<x>-12.2837</x>
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<y>0</y>
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<z>1.91891</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>0.4</dynamic_friction>
<rolling_friction>0.4</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
<contact type="STRUCTURE" name="TOP_2">
<location unit="M">
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<x>9.32421</x>
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<y>0</y>
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<z>1.90163</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>0.4</dynamic_friction>
<rolling_friction>0.4</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
<contact type="STRUCTURE" name="ENG_1">
<location unit="M">
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<x>-5.35132</x>
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<y>-5.63082</y>
<z>-3.2689</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>0.4</dynamic_friction>
<rolling_friction>0.4</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
<contact type="STRUCTURE" name="ENG_2">
<location unit="M">
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<x>-5.35132</x>
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<y>5.63082</y>
<z>-3.2689</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>0.4</dynamic_friction>
<rolling_friction>0.4</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
<contact type="STRUCTURE" name="TAIL_1">
<location unit="M">
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<x>18.7563</x>
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<y>0</y>
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<z>0.87243</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>0.4</dynamic_friction>
<rolling_friction>0.4</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
<contact type="STRUCTURE" name="TAIL_2">
<location unit="M">
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<x>17.0302</x>
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<y>0</y>
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<z>7.74793</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>0.4</dynamic_friction>
<rolling_friction>0.4</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
<contact type="STRUCTURE" name="WING_TIP_1">
<location unit="M">
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<x>2.48627</x>
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<y>-16.9301</y>
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<z>0.34704</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>0.4</dynamic_friction>
<rolling_friction>0.4</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
<contact type="STRUCTURE" name="WING_TIP_2">
<location unit="M">
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<x>2.48627</x>
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<y>16.9301</y>
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<z>0.34704</z>
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</location>
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<static_friction>1.0</static_friction>
<dynamic_friction>1</dynamic_friction>
<rolling_friction>1</rolling_friction>
<spring_coeff unit="LBS/FT">50000</spring_coeff>
<damping_coeff unit="LBS/FT/SEC">50000</damping_coeff>
<max_steer unit="DEG">0.0</max_steer>
<brake_group>NONE</brake_group>
<retractable>0</retractable>
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</contact>
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</ground_reactions>