HyperReducedTetrahedronFEMForceField
Tetrahedral finite elements
Templates:
Vec3d
Target: ModelOrderReduction
namespace: sofa::component::forcefield
parents:
TetrahedronFEMForceFieldHyperReducedHelper
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 |
| initialPoints | Initial Position | |
| method | "small", "large" (by QR), "polar" or "svd" displacements | large |
| poissonRatio | FEM Poisson Ratio in Hooke's law [0,0.5[ | 0.45 |
| youngModulus | FEM Young's Modulus in Hooke's law | |
| localStiffnessFactor | Allow specification of different stiffness per element. If there are N element and M values are specified, the youngModulus factor for element i would be localStiffnessFactor[i*M/N] | |
| updateStiffnessMatrix | 0 | |
| computeGlobalMatrix | 0 | |
| plasticMaxThreshold | Plastic Max Threshold (2-norm of the strain) | 0 |
| plasticYieldThreshold | Plastic Yield Threshold (2-norm of the strain) | 0.0001 |
| plasticCreep | Plastic Creep Factor * dt [0,1]. Warning this factor depends on dt. | 0.9 |
| gatherPt | number of dof accumulated per threads during the gather operation (Only use in GPU version) | |
| gatherBsize | number of dof accumulated per threads during the gather operation (Only use in GPU version) | |
| computeVonMisesStress | compute and display von Mises stress: 0: no computations, 1: using corotational strain, 2: using full Green strain. Set listening=1 | 0 |
| vonMisesPerElement | von Mises Stress per element | |
| vonMisesPerNode | von Mises Stress per node | |
| vonMisesStressColors | Vector of colors describing the VonMises stress | |
| updateStiffness | udpate structures (precomputed in init) using stiffness parameters in each iteration (set listening=1) | 0 |
| HyperReduction | ||
| prepareECSW | Save data necessary for the construction of the reduced model | 0 |
| nbModes | Number of modes when preparing the ECSW method only | 3 |
| modesPath | Path to the file containing the modes (useful only for preparing ECSW) | modes.txt |
| nbTrainingSet | When preparing the ECSW, size of the training set | 40 |
| periodSaveGIE | When prepareECSW is true, the values of Gie are taken every periodSaveGIE timesteps. | 5 |
| performECSW | Use the reduced model with the ECSW method | 0 |
| RIDPath | Path to the Reduced Integration domain when performing the ECSW method | reducedIntegrationDomain.txt |
| weightsPath | Path to the weights when performing the ECSW method | weights.txt |
| Visualization | ||
| drawHeterogeneousTetra | Draw Heterogeneous Tetra in different color | 0 |
| showStressColorMap | Color map used to show stress values | Blue to Red |
| showStressAlpha | Alpha for vonMises visualisation | 1 |
| showVonMisesStressPerNode | draw points showing vonMises stress interpolated in nodes | 0 |
| showVonMisesStressPerNodeColorMap | draw elements showing vonMises stress interpolated in nodes | 0 |
| showVonMisesStressPerElement | draw triangles showing vonMises stress interpolated in elements | 0 |
| showElementGapScale | draw gap between elements (when showWireFrame is disabled) [0,1]: 0: no gap, 1: no element | 0.333 |
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 |
| topology | link to the tetrahedron topology container |