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ConicalForceField

Repulsion applied by a cone toward the exterior

Templates: - Vec3d

Target: Sofa.Component.MechanicalLoad

namespace: sofa::component::mechanicalload

parents: - ForceField

Data:

Name Description Default value
name object name unnamed
printLog if true, emits extra messages at runtime. 0
tags list of the subsets the objet belongs to
bbox this object bounding box
componentState The state of the component among (Dirty, Valid, Undefined, Loading, Invalid). Undefined
listening if true, handle the events, otherwise ignore the events 0
isCompliance Consider the component as a compliance, else as a stiffness 0
rayleighStiffness Rayleigh damping - stiffness matrix coefficient 0
coneCenter cone center
coneHeight cone height
coneAngle cone angle 10
stiffness force stiffness 500
damping force damping 5
color cone color. (default=0.0,0.0,0.0,1.0,1.0) 0 0 1 1

Examples

<Node name="root" dt="0.01" gravity="0 -10 0">
    <RequiredPlugin name="Sofa.Component.Collision.Detection.Algorithm"/> <!-- Needed to use components [BVHNarrowPhase BruteForceBroadPhase CollisionPipeline] -->
    <RequiredPlugin name="Sofa.Component.Collision.Detection.Intersection"/> <!-- Needed to use components [DiscreteIntersection] -->
    <RequiredPlugin name="Sofa.Component.Collision.Geometry"/> <!-- Needed to use components [SphereCollisionModel] -->
    <RequiredPlugin name="Sofa.Component.Collision.Response.Contact"/> <!-- Needed to use components [CollisionResponse] -->
    <RequiredPlugin name="Sofa.Component.IO.Mesh"/> <!-- Needed to use components [MeshGmshLoader MeshOBJLoader SphereLoader] -->
    <RequiredPlugin name="Sofa.Component.LinearSolver.Iterative"/> <!-- Needed to use components [CGLinearSolver] -->
    <RequiredPlugin name="Sofa.Component.Mapping.Linear"/> <!-- Needed to use components [BarycentricMapping] -->
    <RequiredPlugin name="Sofa.Component.Mass"/> <!-- Needed to use components [UniformMass] -->
    <RequiredPlugin name="Sofa.Component.MechanicalLoad"/> <!-- Needed to use components [ConicalForceField] -->
    <RequiredPlugin name="Sofa.Component.ODESolver.Backward"/> <!-- Needed to use components [EulerImplicitSolver] -->
    <RequiredPlugin name="Sofa.Component.SolidMechanics.FEM.Elastic"/> <!-- Needed to use components [TetrahedronFEMForceField] -->
    <RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
    <RequiredPlugin name="Sofa.Component.Topology.Container.Constant"/> <!-- Needed to use components [MeshTopology] -->
    <RequiredPlugin name="Sofa.Component.Visual"/> <!-- Needed to use components [VisualStyle] -->
    <RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel] -->

    <VisualStyle displayFlags="showBehaviorModels showForceFields" />
    <DefaultAnimationLoop/>
    <CollisionPipeline verbose="0" />
    <BruteForceBroadPhase/>
    <BVHNarrowPhase/>
    <CollisionResponse response="PenalityContactForceField" />
    <DiscreteIntersection />
    <Node name="Liver">
        <EulerImplicitSolver name="cg_odesolver" printLog="false"  rayleighStiffness="0.1" rayleighMass="0.1" />
        <CGLinearSolver iterations="25" name="linear solver" tolerance="1.0e-9" threshold="1.0e-9" />
        <MeshGmshLoader name="loader" filename="mesh/liver.msh" />
        <MeshTopology src="@loader" />
        <MechanicalObject src="@loader" template="Vec3" name="Liver" />
        <UniformMass name="mass" vertexMass="0.05" />
        <TetrahedronFEMForceField name="FEM" youngModulus="5000" poissonRatio="0.3" computeGlobalMatrix="false" method="large" />
        <ConicalForceField template="Vec3" coneCenter="0.0 -10.0 0.0" coneHeight="0 20 0" coneAngle="40" />
        <Node name="Visu">
            <MeshOBJLoader name="meshLoader_0" filename="mesh/liver-smooth.obj" handleSeams="1" />
            <OglModel name="VisualModel" src="@meshLoader_0" color="red" />
            <BarycentricMapping input="@.." output="@VisualModel" />
        </Node>
        <Node name="Surf">
        <SphereLoader filename="mesh/liver.sph" />
            <MechanicalObject position="@[-1].position" />
            <SphereCollisionModel name="CollisionModel" listRadius="@[-2].listRadius" />
            <BarycentricMapping />
        </Node>
    </Node>
</Node>

Target: Sofa.Component.MechanicalLoad

namespace: sofa::component::mechanicalload

parents:

  • ForceField

Data:

Name Description Default value
name object name unnamed
printLog if true, emits extra messages at runtime. 0
tags list of the subsets the objet belongs to
bbox this object bounding box
componentState The state of the component among (Dirty, Valid, Undefined, Loading, Invalid). Undefined
listening if true, handle the events, otherwise ignore the events 0
isCompliance Consider the component as a compliance, else as a stiffness 0
rayleighStiffness Rayleigh damping - stiffness matrix coefficient 0
coneCenter cone center
coneHeight cone height
coneAngle cone angle 10
stiffness force stiffness 500
damping force damping 5
color cone color. (default=0.0,0.0,0.0,1.0,1.0) 0 0 1 1

Links:

Name Description
context Graph Node containing this object (or BaseContext::getDefault() if no graph is used)
slaves Sub-objects used internally by this object
master nullptr for regular objects, or master object for which this object is one sub-objects
mechanicalStates List of mechanical states to which this component is associated
mstate MechanicalState used by this component

Examples

Component/MechanicalLoad/ConicalForceField.scn

<Node name="root" dt="0.01" gravity="0 -10 0">
    <RequiredPlugin name="Sofa.Component.Collision.Detection.Algorithm"/> <!-- Needed to use components [BVHNarrowPhase BruteForceBroadPhase CollisionPipeline] -->
    <RequiredPlugin name="Sofa.Component.Collision.Detection.Intersection"/> <!-- Needed to use components [DiscreteIntersection] -->
    <RequiredPlugin name="Sofa.Component.Collision.Geometry"/> <!-- Needed to use components [SphereCollisionModel] -->
    <RequiredPlugin name="Sofa.Component.Collision.Response.Contact"/> <!-- Needed to use components [CollisionResponse] -->
    <RequiredPlugin name="Sofa.Component.IO.Mesh"/> <!-- Needed to use components [MeshGmshLoader MeshOBJLoader SphereLoader] -->
    <RequiredPlugin name="Sofa.Component.LinearSolver.Iterative"/> <!-- Needed to use components [CGLinearSolver] -->
    <RequiredPlugin name="Sofa.Component.Mapping.Linear"/> <!-- Needed to use components [BarycentricMapping] -->
    <RequiredPlugin name="Sofa.Component.Mass"/> <!-- Needed to use components [UniformMass] -->
    <RequiredPlugin name="Sofa.Component.MechanicalLoad"/> <!-- Needed to use components [ConicalForceField] -->
    <RequiredPlugin name="Sofa.Component.ODESolver.Backward"/> <!-- Needed to use components [EulerImplicitSolver] -->
    <RequiredPlugin name="Sofa.Component.SolidMechanics.FEM.Elastic"/> <!-- Needed to use components [TetrahedronFEMForceField] -->
    <RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
    <RequiredPlugin name="Sofa.Component.Topology.Container.Constant"/> <!-- Needed to use components [MeshTopology] -->
    <RequiredPlugin name="Sofa.Component.Visual"/> <!-- Needed to use components [VisualStyle] -->
    <RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel] -->

    <VisualStyle displayFlags="showBehaviorModels showForceFields" />
    <DefaultAnimationLoop/>
    <CollisionPipeline verbose="0" />
    <BruteForceBroadPhase/>
    <BVHNarrowPhase/>
    <CollisionResponse response="PenalityContactForceField" />
    <DiscreteIntersection />
    <Node name="Liver">
        <EulerImplicitSolver name="cg_odesolver" printLog="false"  rayleighStiffness="0.1" rayleighMass="0.1" />
        <CGLinearSolver iterations="25" name="linear solver" tolerance="1.0e-9" threshold="1.0e-9" />
        <MeshGmshLoader name="loader" filename="mesh/liver.msh" />
        <MeshTopology src="@loader" />
        <MechanicalObject src="@loader" template="Vec3" name="Liver" />
        <UniformMass name="mass" vertexMass="0.05" />
        <TetrahedronFEMForceField name="FEM" youngModulus="5000" poissonRatio="0.3" computeGlobalMatrix="false" method="large" />
        <ConicalForceField template="Vec3" coneCenter="0.0 -10.0 0.0" coneHeight="0 20 0" coneAngle="40" />
        <Node name="Visu">
            <MeshOBJLoader name="meshLoader_0" filename="mesh/liver-smooth.obj" handleSeams="1" />
            <OglModel name="VisualModel" src="@meshLoader_0" color="red" />
            <BarycentricMapping input="@.." output="@VisualModel" />
        </Node>
        <Node name="Surf">
        <SphereLoader filename="mesh/liver.sph" />
            <MechanicalObject position="@[-1].position" />
            <SphereCollisionModel name="CollisionModel" listRadius="@[-2].listRadius" />
            <BarycentricMapping />
        </Node>
    </Node>
</Node>

def createScene(rootNode):

    root = rootNode.addChild('root', dt="0.01", gravity="0 -10 0")
    root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Algorithm")
    root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Intersection")
    root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Geometry")
    root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Response.Contact")
    root.addObject('RequiredPlugin', name="Sofa.Component.IO.Mesh")
    root.addObject('RequiredPlugin', name="Sofa.Component.LinearSolver.Iterative")
    root.addObject('RequiredPlugin', name="Sofa.Component.Mapping.Linear")
    root.addObject('RequiredPlugin', name="Sofa.Component.Mass")
    root.addObject('RequiredPlugin', name="Sofa.Component.MechanicalLoad")
    root.addObject('RequiredPlugin', name="Sofa.Component.ODESolver.Backward")
    root.addObject('RequiredPlugin', name="Sofa.Component.SolidMechanics.FEM.Elastic")
    root.addObject('RequiredPlugin', name="Sofa.Component.StateContainer")
    root.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Constant")
    root.addObject('RequiredPlugin', name="Sofa.Component.Visual")
    root.addObject('RequiredPlugin', name="Sofa.GL.Component.Rendering3D")
    root.addObject('VisualStyle', displayFlags="showBehaviorModels showForceFields")
    root.addObject('DefaultAnimationLoop')
    root.addObject('CollisionPipeline', verbose="0")
    root.addObject('BruteForceBroadPhase')
    root.addObject('BVHNarrowPhase')
    root.addObject('CollisionResponse', response="PenalityContactForceField")
    root.addObject('DiscreteIntersection')

    Liver = root.addChild('Liver')
    Liver.addObject('EulerImplicitSolver', name="cg_odesolver", printLog="false", rayleighStiffness="0.1", rayleighMass="0.1")
    Liver.addObject('CGLinearSolver', iterations="25", name="linear solver", tolerance="1.0e-9", threshold="1.0e-9")
    Liver.addObject('MeshGmshLoader', name="loader", filename="mesh/liver.msh")
    Liver.addObject('MeshTopology', src="@loader")
    Liver.addObject('MechanicalObject', src="@loader", template="Vec3", name="Liver")
    Liver.addObject('UniformMass', name="mass", vertexMass="0.05")
    Liver.addObject('TetrahedronFEMForceField', name="FEM", youngModulus="5000", poissonRatio="0.3", computeGlobalMatrix="false", method="large")
    Liver.addObject('ConicalForceField', template="Vec3", coneCenter="0.0 -10.0 0.0", coneHeight="0 20 0", coneAngle="40")

    Visu = Liver.addChild('Visu')
    Visu.addObject('MeshOBJLoader', name="meshLoader_0", filename="mesh/liver-smooth.obj", handleSeams="1")
    Visu.addObject('OglModel', name="VisualModel", src="@meshLoader_0", color="red")
    Visu.addObject('BarycentricMapping', input="@..", output="@VisualModel")

    Surf = Liver.addChild('Surf')
    Surf.addObject('SphereLoader', filename="mesh/liver.sph")
    Surf.addObject('MechanicalObject', position="@[-1].position")
    Surf.addObject('SphereCollisionModel', name="CollisionModel", listRadius="@[-2].listRadius")
    Surf.addObject('BarycentricMapping')