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Quella777
2025-08-25 16:30:02 +08:00
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16
wood_block_10_2_1cm/model.config Normal file
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<?xml version="1.0"?>
<model>
<name>Wood block 10 x 2.5 x 1 cm</name>
<version>1.0</version>
<sdf version='1.5'>model.sdf</sdf>
<author>
<name>Nate Koenig</name>
<email>nate@osrfoundation.org</email>
</author>
<description>
A 10 x 2.5 x 1 cm wooden block.
</description>
</model>

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wood_block_10_2_1cm/model.rsdf Normal file
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<?xml version="1.0" ?>
<%
# Wood block with dimensions 10 x 2.5 x 1 cm
# SI units (length in meters)
# Geometry
dx = 0.1
dy = 0.025
dz = 0.01
# Material
# Assume soft wood with density of 500 kg / m^3
density = 500
# Inertia
mass = density * dx * dy * dz
ixx = mass/12.0 * (dy**2 + dz**2)
iyy = mass/12.0 * (dz**2 + dx**2)
izz = mass/12.0 * (dx**2 + dy**2)
%>
<sdf version="1.5">
<model name="wood_block_10_2_1cm">
<link name="link">
<pose>0 0 <%= dz/2 %> 0 0 0</pose>
<inertial>
<mass><%= mass %></mass>
<inertia>
<ixx><%= ixx %></ixx>
<ixy>0</ixy>
<ixz>0</ixz>
<iyy><%= iyy %></iyy>
<iyz>0</iyz>
<izz><%= izz %></izz>
</inertia>
</inertial>
<collision name="collision">
<geometry>
<box>
<size><%= dx %> <%= dy %> <%= dz %></size>
</box>
</geometry>
<surface>
<contact>
<ode>
<max_vel>0.1</max_vel>
<min_depth>0.001</min_depth>
</ode>
</contact>
</surface>
</collision>
<visual name="visual">
<geometry>
<box>
<size><%= dx %> <%= dy %> <%= dz %></size>
</box>
</geometry>
<material>
<script>
<uri>file://media/materials/scripts/gazebo.material</uri>
<name>Gazebo/Wood</name>
</script>
</material>
</visual>
</link>
</model>
</sdf>

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wood_block_10_2_1cm/model.sdf Normal file
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<?xml version="1.0" ?>
<sdf version="1.5">
<model name="wood_block_10_2_1cm">
<link name="link">
<pose>0 0 0.005 0 0 0</pose>
<inertial>
<mass>0.0125</mass>
<inertia>
<ixx>7.552083333333335e-07</ixx>
<ixy>0</ixy>
<ixz>0</ixz>
<iyy>1.0520833333333334e-05</iyy>
<iyz>0</iyz>
<izz>1.1067708333333336e-05</izz>
</inertia>
</inertial>
<collision name="collision">
<geometry>
<box>
<size>0.1 0.025 0.01</size>
</box>
</geometry>
<surface>
<contact>
<!-- Red Pine coefficients for longitudinal axis of the wood
according to:
http://www.fpl.fs.fed.us/documnts/fplgtr/fplgtr113/ch04.pdf -->
<poissons_ratio>0.347</poissons_ratio>
<elastic_modulus>8.8e+09</elastic_modulus>
<ode>
<kp>100000</kp>
<kd>1</kd>
<max_vel>1.0</max_vel>
<min_depth>0.001</min_depth>
</ode>
</contact>
<friction>
<torsional>
<coefficient>1.0</coefficient>
<use_patch_radius>0</use_patch_radius>
<surface_radius>0.05</surface_radius>
</torsional>
</friction>
</surface>
</collision>
<visual name="visual">
<geometry>
<box>
<size>0.1 0.025 0.01</size>
</box>
</geometry>
<material>
<script>
<uri>file://media/materials/scripts/gazebo.material</uri>
<name>Gazebo/Wood</name>
</script>
</material>
</visual>
</link>
</model>
</sdf>