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<!-- Mechanical MassSpring Group Basic Example -->
<Node name="root" gravity="0 0 1" dt="0.05" showBehaviorModels="1" showCollisionModels="1" showMappings="1" showForceFields="1">
<Object type="CollisionPipeline" verbose="0" name="CollisionPipeline"/>
<Object type="BruteForceDetection" name="N2" />
<Object type="CollisionResponse" response="default" name="collision response"/>
<Node name="M1">
<Object type="EulerImplicit" name="cg_odesolver" printLog="false"/>
<Object type="CGLinearSolver" iterations="25" name="linear solver" tolerance="1.0e-9" threshold="1.0e-9" />
<Object type="MechanicalObject" />
<Object type="UniformMass" mass="0.1" />
<Object type="RegularGrid"
nx="3" ny="3" nz="1"
xmin="10" xmax="19"
ymin="0" ymax="9"
zmin="4" zmax="5"
/>
<Object type="FixedConstraint" indices="0 8"/>
<Object type="TriangleFEMForceField" name="FEM1" youngModulus="5000" poissonRatio="0.3" method="large"/>
<Object type="Triangle" />
<Node name="Visu">
<Object type="OglModel" name="Visual" color="green"/>
<Object type="IdentityMapping" object1="../.." object2="Visual"/>
</Node>
</Node>
<Node name="M2">
<Object type="EulerImplicit" name="cg_odesolver" printLog="false"/>
<Object type="CGLinearSolver" iterations="25" name="linear solver" tolerance="1.0e-9" threshold="1.0e-9" />
<Object type="MechanicalObject" />
<Object type="UniformMass" mass="0.1" />
<Object type="RegularGrid"
nx="4" ny="4" nz="1"
xmin="20" xmax="29"
ymin="0" ymax="9"
zmin="8" zmax="9"
/>
<Object type="FixedConstraint" indices="0 15"/>
<Object type="TriangleFEMForceField" name="FEM2" youngModulus="5000" poissonRatio="0.3" method="large"/>
<Object type="Triangle" />
<Node name="Visu">
<Object type="OglModel" name="Visual" color="blue"/>
<Object type="IdentityMapping" object1="../.." object2="Visual"/>
</Node>
</Node>
<Node name="M3">
<Object type="EulerImplicit" name="cg_odesolver" printLog="false"/>
<Object type="CGLinearSolver" iterations="25" name="linear solver" tolerance="1.0e-9" threshold="1.0e-9" />
<Object type="MechanicalObject" />
<Object type="UniformMass" mass="0.1" />
<Object type="RegularGrid"
nx="10" ny="10" nz="1"
xmin="30" xmax="39"
ymin="0" ymax="9"
zmin="12" zmax="13"
/>
<Object type="FixedConstraint" indices="0 9 99"/>
<Object type="TriangleFEMForceField" name="FEM3" youngModulus="5000" poissonRatio="0.3" method="large"/>
<Object type="Triangle" />
<Node name="Visu">
<Object type="OglModel" name="Visual" color="yellow"/>
<Object type="IdentityMapping" object1="../.." object2="Visual"/>
</Node>
</Node>
</Node>
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