HexahedronCompositeFEMMapping
Set the point to the center of mass of the DOFs it is attached to.
Mapping<StdVectorTypes<Vec<3u,double>,Vec<3u,double>,double>,StdVectorTypes<Vec<3u,double>,Vec<3u,double>,double>>
Templates:
- Mapping<StdVectorTypes<Vec<3u,double>,Vec<3u,double>,double>,StdVectorTypes<Vec<3u,double>,Vec<3u,double>,double>>
Target: Sofa.Component.SolidMechanics.FEM.NonUniform
namespace: sofa::component::solidmechanics::fem::nonuniform
parents:
- Mapping
Data
| Name | Description | Default value |
|---|---|---|
| name | object name | unnamed |
| printLog | if true, emits extra messages at runtime. | 0 |
| tags | list of the subsets the object 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 |
| mapForces | Are forces mapped ? | 1 |
| mapConstraints | Are constraints mapped ? | 1 |
| mapMasses | Are masses mapped ? | 1 |
| mapMatrices | Are matrix explicit mapped? | 0 |
| applyRestPosition | set to true to apply this mapping to restPosition at init | 0 |
Links
| Name | Description | Destination type name |
|---|---|---|
| context | Graph Node containing this object (or BaseContext::getDefault() if no graph is used) | BaseContext |
| slaves | Sub-objects used internally by this object | BaseObject |
| master | nullptr for regular objects, or master object for which this object is one sub-objects | BaseObject |
| input | Input object to map | State<Vec3d> |
| output | Output object to map | State<Vec3d> |
Examples
HexahedronCompositeFEMMapping.scn
<?xml version="1.0"?>
<Node name="root" gravity="0 0 0" dt="0.01">
<RequiredPlugin name="Sofa.Component.Constraint.Projective"/> <!-- Needed to use components [FixedProjectiveConstraint] -->
<RequiredPlugin name="Sofa.Component.Engine.Select"/> <!-- Needed to use components [BoxROI] -->
<RequiredPlugin name="Sofa.Component.IO.Mesh"/> <!-- Needed to use components [MeshOBJLoader] -->
<RequiredPlugin name="Sofa.Component.LinearSolver.Iterative"/> <!-- Needed to use components [CGLinearSolver] -->
<RequiredPlugin name="Sofa.Component.Mapping.Linear"/> <!-- Needed to use components [BarycentricMapping IdentityMapping] -->
<RequiredPlugin name="Sofa.Component.MechanicalLoad"/> <!-- Needed to use components [ConstantForceField] -->
<RequiredPlugin name="Sofa.Component.ODESolver.Backward"/> <!-- Needed to use components [EulerImplicitSolver] -->
<RequiredPlugin name="Sofa.Component.SolidMechanics.FEM.NonUniform"/> <!-- Needed to use components [HexahedronCompositeFEMForceFieldAndMass HexahedronCompositeFEMMapping] -->
<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.Topology.Container.Grid"/> <!-- Needed to use components [SparseGridMultipleTopology] -->
<RequiredPlugin name="Sofa.Component.Visual"/> <!-- Needed to use components [VisualStyle] -->
<RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel] -->
<!-- A soft grape containing a very stiff seed is deformed by using only one element. By using the HexahedronCompositeFEMMapping, the seed does not deform. -->
<VisualStyle displayFlags="showVisual showBehaviorModels showForceFields" />
<DefaultAnimationLoop/>
<MeshOBJLoader name="meshLoader_2" filename="mesh/plane_loop_2.obj" scale="1" handleSeams="1" />
<OglModel name="plan" src="@meshLoader_2" rx="90" rz="90" dy="-10.2" material="Default Diffuse 1 1 0.4 0.4 1 Ambient 1 0.8 0.8 0.8 1 Specular 0 1 1 1 1 Emissive 0 1 1 1 1 Shininess 0 45"/>
<Node name="HexahedronCompositeFEMMapping">
<SparseGridMultipleTopology n="2 2 2" fileTopology="mesh/grape_out.obj" fileTopologies="mesh/grape_out.obj mesh/grape_in.obj" stiffnessCoefs="1 1000000" massCoefs="1 1" nbVirtualFinerLevels="4" finestConnectivity="false" />
<EulerImplicitSolver rayleighMass="0" rayleighStiffness="0" />
<CGLinearSolver iterations="2000" tolerance="1e-5" threshold="1e-5"/>
<MechanicalObject dx="15" />
<HexahedronCompositeFEMForceFieldAndMass completeInterpolation="false" nbVirtualFinerLevels="3" youngModulus="100" poissonRatio="0.35" method="large" density="2" updateStiffnessMatrix="false" printLog="0" useMass="false" totalMass="1" drawSize=".5" />
<BoxConstraint box="-30 -11 -30 100 -9 30" drawSize="0.75" />
<Node name="Collinonunif">
<MeshOBJLoader name="loader" filename="mesh/grape_out.obj" />
<MeshTopology src="@loader" />
<MechanicalObject src="@loader" />
<HexahedronCompositeFEMMapping/>
<Node name="f1">
<ConstantForceField indices="340" forces="1000 8000 0" showArrowSize=".001" />
</Node>
<Node name="Visu2">
<MeshOBJLoader name="meshLoader_3" filename="mesh/grape_out.obj" handleSeams="1" />
<OglModel name="VisualEyes" src="@meshLoader_3" normals="0" color="0.1 .8 .3 .5" />
<IdentityMapping input="@.." output="@VisualEyes" />
</Node>
</Node>
<Node name="Visu1">
<MeshOBJLoader name="meshLoader_0" filename="mesh/grape_in.obj" handleSeams="1" />
<OglModel name="VisualBody" src="@meshLoader_0" normals="0" color="0 0 .6 1" />
<HexahedronCompositeFEMMapping input="@.." output="@VisualBody" />
</Node>
</Node>
<Node name="BarycentricMapping">
<SparseGridMultipleTopology n="2 2 2" fileTopology="mesh/grape_out.obj" fileTopologies="mesh/grape_out.obj mesh/grape_in.obj" stiffnessCoefs="1 1000000" massCoefs="1 1" nbVirtualFinerLevels="4" finestConnectivity="false" />
<EulerImplicitSolver rayleighMass="0" rayleighStiffness="0" />
<CGLinearSolver iterations="2000" tolerance="1e-5" threshold="1e-5"/>
<MechanicalObject dx="-15" />
<HexahedronCompositeFEMForceFieldAndMass completeInterpolation="true" nbVirtualFinerLevels="3" youngModulus="100" poissonRatio="0.35" method="large" density="2" updateStiffnessMatrix="false" printLog="0" useMass="false" totalMass="1" drawSize=".5" />
<BoxConstraint box="-100 -11 -30 30 -9 30" drawSize="0.75"/>
<Node name="Collinonunif">
<MeshOBJLoader name="loader" filename="mesh/grape_out.obj"/>
<MeshTopology src="@loader"/>
<MechanicalObject src="@loader"/>
<BarycentricMapping/>
<Node name="f2">
<ConstantForceField indices="340" forces="1000 8000 0" showArrowSize=".001" />
</Node>
<Node name="Visu2">
<MeshOBJLoader name="meshLoader_4" filename="mesh/grape_out.obj" handleSeams="1" />
<OglModel name="VisualEyes" src="@meshLoader_4" normals="0" color="0.1 .8 .3 .5" />
<IdentityMapping input="@.." output="@VisualEyes" />
</Node>
</Node>
<Node name="Visu1">
<MeshOBJLoader name="meshLoader_1" filename="mesh/grape_in.obj" handleSeams="1" />
<OglModel name="VisualBody" src="@meshLoader_1" normals="0" color="0 0 .6 1" />
<BarycentricMapping input="@.." output="@VisualBody" />
</Node>
</Node>
</Node>
def createScene(root_node):
root = root_node.addChild('root', gravity="0 0 0", dt="0.01")
root.addObject('RequiredPlugin', name="Sofa.Component.Constraint.Projective")
root.addObject('RequiredPlugin', name="Sofa.Component.Engine.Select")
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.MechanicalLoad")
root.addObject('RequiredPlugin', name="Sofa.Component.ODESolver.Backward")
root.addObject('RequiredPlugin', name="Sofa.Component.SolidMechanics.FEM.NonUniform")
root.addObject('RequiredPlugin', name="Sofa.Component.StateContainer")
root.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Constant")
root.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Grid")
root.addObject('RequiredPlugin', name="Sofa.Component.Visual")
root.addObject('RequiredPlugin', name="Sofa.GL.Component.Rendering3D")
root.addObject('VisualStyle', displayFlags="showVisual showBehaviorModels showForceFields")
root.addObject('DefaultAnimationLoop', )
root.addObject('MeshOBJLoader', name="meshLoader_2", filename="mesh/plane_loop_2.obj", scale="1", handleSeams="1")
root.addObject('OglModel', name="plan", src="@meshLoader_2", rx="90", rz="90", dy="-10.2", material="Default Diffuse 1 1 0.4 0.4 1 Ambient 1 0.8 0.8 0.8 1 Specular 0 1 1 1 1 Emissive 0 1 1 1 1 Shininess 0 45")
hexahedron_composite_fem_mapping = root.addChild('HexahedronCompositeFEMMapping')
hexahedron_composite_fem_mapping.addObject('SparseGridMultipleTopology', n="2 2 2", fileTopology="mesh/grape_out.obj", fileTopologies="mesh/grape_out.obj mesh/grape_in.obj", stiffnessCoefs="1 1000000", massCoefs="1 1", nbVirtualFinerLevels="4", finestConnectivity="false")
hexahedron_composite_fem_mapping.addObject('EulerImplicitSolver', rayleighMass="0", rayleighStiffness="0")
hexahedron_composite_fem_mapping.addObject('CGLinearSolver', iterations="2000", tolerance="1e-5", threshold="1e-5")
hexahedron_composite_fem_mapping.addObject('MechanicalObject', dx="15")
hexahedron_composite_fem_mapping.addObject('HexahedronCompositeFEMForceFieldAndMass', completeInterpolation="false", nbVirtualFinerLevels="3", youngModulus="100", poissonRatio="0.35", method="large", density="2", updateStiffnessMatrix="false", printLog="0", useMass="false", totalMass="1", drawSize=".5")
hexahedron_composite_fem_mapping.addObject('BoxConstraint', box="-30 -11 -30 100 -9 30", drawSize="0.75")
collinonunif = HexahedronCompositeFEMMapping.addChild('Collinonunif')
collinonunif.addObject('MeshOBJLoader', name="loader", filename="mesh/grape_out.obj")
collinonunif.addObject('MeshTopology', src="@loader")
collinonunif.addObject('MechanicalObject', src="@loader")
collinonunif.addObject('HexahedronCompositeFEMMapping', )
f1 = Collinonunif.addChild('f1')
f1.addObject('ConstantForceField', indices="340", forces="1000 8000 0", showArrowSize=".001")
visu2 = Collinonunif.addChild('Visu2')
visu2.addObject('MeshOBJLoader', name="meshLoader_3", filename="mesh/grape_out.obj", handleSeams="1")
visu2.addObject('OglModel', name="VisualEyes", src="@meshLoader_3", normals="0", color="0.1 .8 .3 .5")
visu2.addObject('IdentityMapping', input="@..", output="@VisualEyes")
visu1 = HexahedronCompositeFEMMapping.addChild('Visu1')
visu1.addObject('MeshOBJLoader', name="meshLoader_0", filename="mesh/grape_in.obj", handleSeams="1")
visu1.addObject('OglModel', name="VisualBody", src="@meshLoader_0", normals="0", color="0 0 .6 1")
visu1.addObject('HexahedronCompositeFEMMapping', input="@..", output="@VisualBody")
barycentric_mapping = root.addChild('BarycentricMapping')
barycentric_mapping.addObject('SparseGridMultipleTopology', n="2 2 2", fileTopology="mesh/grape_out.obj", fileTopologies="mesh/grape_out.obj mesh/grape_in.obj", stiffnessCoefs="1 1000000", massCoefs="1 1", nbVirtualFinerLevels="4", finestConnectivity="false")
barycentric_mapping.addObject('EulerImplicitSolver', rayleighMass="0", rayleighStiffness="0")
barycentric_mapping.addObject('CGLinearSolver', iterations="2000", tolerance="1e-5", threshold="1e-5")
barycentric_mapping.addObject('MechanicalObject', dx="-15")
barycentric_mapping.addObject('HexahedronCompositeFEMForceFieldAndMass', completeInterpolation="true", nbVirtualFinerLevels="3", youngModulus="100", poissonRatio="0.35", method="large", density="2", updateStiffnessMatrix="false", printLog="0", useMass="false", totalMass="1", drawSize=".5")
barycentric_mapping.addObject('BoxConstraint', box="-100 -11 -30 30 -9 30", drawSize="0.75")
collinonunif = BarycentricMapping.addChild('Collinonunif')
collinonunif.addObject('MeshOBJLoader', name="loader", filename="mesh/grape_out.obj")
collinonunif.addObject('MeshTopology', src="@loader")
collinonunif.addObject('MechanicalObject', src="@loader")
collinonunif.addObject('BarycentricMapping', )
f2 = Collinonunif.addChild('f2')
f2.addObject('ConstantForceField', indices="340", forces="1000 8000 0", showArrowSize=".001")
visu2 = Collinonunif.addChild('Visu2')
visu2.addObject('MeshOBJLoader', name="meshLoader_4", filename="mesh/grape_out.obj", handleSeams="1")
visu2.addObject('OglModel', name="VisualEyes", src="@meshLoader_4", normals="0", color="0.1 .8 .3 .5")
visu2.addObject('IdentityMapping', input="@..", output="@VisualEyes")
visu1 = BarycentricMapping.addChild('Visu1')
visu1.addObject('MeshOBJLoader', name="meshLoader_1", filename="mesh/grape_in.obj", handleSeams="1")
visu1.addObject('OglModel', name="VisualBody", src="@meshLoader_1", normals="0", color="0 0 .6 1")
visu1.addObject('BarycentricMapping', input="@..", output="@VisualBody")