fgdata/Aircraft/c172p/Systems/c172p-ground-effects.xml

<?xml version="1.0"?>

<!--

  c172p damage effects for JSBSim.

    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, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

-->

<system name="c172p ground effects">

    <channel name="groundeffects">

        <fcs_function name="ground/tail-ground-effect-speed-kt">
            <function>
                <product>
                    <property>/fdm/jsbsim/contact/unit[3]/WOW</property>
                    <property>/velocities/groundspeed-kt</property>
                </product>
            </function>
        </fcs_function>

        <fcs_function name="ground/left-wing-ground-effect-speed-kt">
            <function>
                <product>
                    <property>/fdm/jsbsim/contact/unit[4]/WOW</property>
                    <property>/velocities/groundspeed-kt</property>
                    <eq>
                        <property>/fdm/jsbsim/wing-damage/left-wing</property>
                        <value>0.0</value>
                    </eq>
                </product>
            </function>
        </fcs_function>

        <fcs_function name="ground/right-wing-ground-effect-speed-kt">
            <function>
                <product>
                    <property>/fdm/jsbsim/contact/unit[5]/WOW</property>
                    <property>/velocities/groundspeed-kt</property>
                    <eq>
                        <property>/fdm/jsbsim/wing-damage/right-wing</property>
                        <value>0.0</value>
                    </eq>
                </product>
            </function>
        </fcs_function>

        <fcs_function name="ground/nose-gear-ground-effect-speed-kt">
            <function>
                <product>
                    <property>/fdm/jsbsim/contact/unit[6]/WOW</property>
                    <property>/velocities/groundspeed-kt</property>
                </product>
            </function>
        </fcs_function>

        <fcs_function name="ground/left-gear-ground-effect-speed-kt">
            <function>
                <product>
                    <property>/fdm/jsbsim/contact/unit[7]/WOW</property>
                    <property>/velocities/groundspeed-kt</property>
                </product>
            </function>
        </fcs_function>

        <fcs_function name="ground/right-gear-ground-effect-speed-kt">
            <function>
                <product>
                    <property>/fdm/jsbsim/contact/unit[8]/WOW</property>
                    <property>/velocities/groundspeed-kt</property>
                </product>
            </function>
        </fcs_function>

        <fcs_function name="ground/nose-tyre-smoke-ground-effect-speed-kt">
            <function>
                <or>
                    <property>/gear/gear[0]/tyre-smoke</property>
                    <product>
                        <property>/gear/gear[0]/wow</property>
                        <gt>
                            <property>/velocities/groundspeed-kt</property>
                            <value>20.0</value>
                        </gt>
                        <gt>
                            <property>/fdm/jsbsim/ground/rolling_friction-factor</property>
                            <value>1</value>
                        </gt>
                    </product>
                </or>
            </function>
        </fcs_function>

        <fcs_function name="ground/left-tyre-smoke-ground-effect-speed-kt">
            <function>
                <or>
                    <property>/gear/gear[1]/tyre-smoke</property>
                    <product>
                        <property>/gear/gear[1]/wow</property>
                        <gt>
                            <property>/velocities/groundspeed-kt</property>
                            <value>20.0</value>
                        </gt>
                        <gt>
                            <property>/fdm/jsbsim/ground/rolling_friction-factor</property>
                            <value>1</value>
                        </gt>
                    </product>
                </or>
            </function>
        </fcs_function>

        <fcs_function name="ground/right-tyre-smoke-ground-effect-speed-kt">
            <function>
                <or>
                    <property>/gear/gear[2]/tyre-smoke</property>
                    <product>
                        <property>/gear/gear[2]/wow</property>
                        <gt>
                            <property>/velocities/groundspeed-kt</property>
                            <value>20.0</value>
                        </gt>
                        <gt>
                            <property>/fdm/jsbsim/ground/rolling_friction-factor</property>
                            <value>1</value>
                        </gt>
                    </product>
                </or>
            </function>
        </fcs_function>

    </channel>

</system>