Available features

Here, you will find a broad list of physics and couplings available in the OOFELIE::Mutiphysics Solver.

Physics

The following physical fields are available in OOFELIE::Multipysics.

MechanicalThermalElectricalAcousticsFluidsTopology OptimizationMechanisms

  • Static and transient
    • Linear and non-linear
  • Modal
    • Real and complex
    • Wet-mode shapes
  • Harmonic
  • Linear buckling
  • Random vibrations
  • Strength assessment
  • Topology optimization
    • Density based (SIMP)
  • Iso- and orthotropic materials:
    • Viscous, viscoelastic and structural damping
  • Elasto-plastic, hyper-elastic non-linear materials
  • Perfectly matched layers (PML)
  • 3D modelling
  • (Oriented) Volume, membrane, shell, rod, beam, lumped mass elements
  • Large displacements & pre-stress
  • Identical nodes, contact, perfect/non-perfect mechanical gluing, rigid body assemblies, mean
  • Special effects:
    • Coriolis
    • Centrifugal
  • 2-ways coupling with:
    • Thermal field
    • Electrical field
  • 1-way coupling with optics

  • Static (steady-state) and transient
    • Linear and non-linear
  • Topology optimization
    • Density based (SIMP)
  • 3D modelling
  • Identical nodes, perfect/non-perfect thermal gluing, thermal contact admittance
  • 3D mutual radiation (ray tracing)
  • Orbital model
  • 2-ways coupling with
    • Mechanical field
    • Electrical field

  • Static and transient;
    • Linear and non-linear
  • FEM / BEM coupling
  • Dielectric materials
  • Identical nodes
  • Perfect/non-perfect electrical gluing
  • RLC, electric dipole elements
  • 2-ways coupling with
    • Mechanical field
    • Thermal field

  • Modal and Harmonic
  • FEM/BEM coupling
    • Acoustic Surface
    • Acoustic Rayleigh Surface
  • Acoustic material
  • Viscous, Structural Damping, Perfectly matched layers (PML)
  • Absorbent panel with frequency dependent admittance and impedance
  • Plane wave excitation, Point acoustic source, Prescribed normal displacement, velocity, acceleration
  • 2-ways coupling with mechanical field

  • Static and Transient
    • Linear
    • Non-linear
  • Any gas or liquid material (Newtonian behaviour)
  • 3D, 2D planar and axisymmetric modelling
  • Symmetry planes
  • Incompressible, Boussinesq Law, Compressible subsonic & supersonic (FINE™/FSI-OOFELIE), Inviscid, Laminar viscous, Turbulent viscous (FINE™/FSI-OOFELIE)
  • Boundary conditions
    • Velocity and temperature at inlet
    • Pressure at outlet
  • Boundary conditions
    • Non-slip flow
    • Surface heat flux or temperature at walls
  • 2-ways coupling with mechanical and thermal fields

  • Physics
    • Mechanical
    • Thermal
  • Static analysis
  • Gradient based method with MMA optimizer
  • Density-based approach
  • Adjoint variable method for sensitivities computation
  • Advanced SIMP laws
  • Multimaterial with or without void
  • Manufacturing constraint:
    • Minimum member size
    • Overhang
  • Filters on:
    • Sensitivities
    • Densities
  • Various objective and constraint functions
    • Volume (Total or On specific material)
    • Total mass
    • Mechanical compliance
    • Thermal compliance
    • Displacement on points
    • Rotation on points
    • Temperature on points
    • Eigen frequencies
  • Uncertainty quantification in the model related to
    • Loads definition
    • Material properties specifications

  • Non-linear transient analysis
  • Rigid body
  • Joints
    • Hinge
    • Cylindrical
    • Prismatic
    • Screw
    • Universal
  • Co-rotational approach
    • Linear Super Element Models
    • Multilayer multiphysics shell elements
    • Mechanical mean
  • Large rotations beam
  • Controler definition
    • PID
    • LTI
    • Preliminary support of FMU import
  • Coupling with 3D mechanical elements

Couplings

The following couplings are accessible in OOFELIE::Multipysics.

Thermo-MechanicsOpto-Thermo-MechanicsCoupled Electrostatics-MechanicsPiezoelectricsPyro-PiezoelectricsVibroacouticsElectromagnetics – Low FrequencyElectro-Thermo-MechanicsElectromagnetics – High FrequencyHygro-Thermo-Mechanics

  • Static and Transient
    • Linear and non-linear
  • Complex Modal and Harmonic
  • 3D modelling
  • Thermo-elastic iso- and orthotropic materials
  • Thermo-elastic damping effect
  • Thermal dependency of material properties
  • 2-ways coupling with electric field
  • 1-way coupling with optics

  • Coupling with Zemax’ OpticStudio
    Automated data exchange via in-memory dialog
  • Description of surface deformations:
    Zernike Standard or Fringe polynomials, grid of points, all aperture types
  • Rigid body motion recognition and ability to export separately to Zemax’ OpticStudio
  • Thermo-optic effect:
    • Accounting for refractive index change as a function of Temperature.
  • Computation and visualization of refractive index gradients inside lenses.
  • Automated exportation to Zemax’ OpticStudio

  • FEM/BEM coupling
  • Mesh morphing
  • Fast Multipole Methods for BEM
  • Pre-stress
  • Pull-in voltage computation

  • Static and transient
    • Linear and non-linear
  • Modal and harmonic
  • Piezoelectric materials:
    • Hexagonal C6
    • Trigonal D3
    • Triclinic C1
  • Perfectly matched layers (PML)
  • (Oriented) Volume, membrane, shell
  • 2-ways coupling with thermal
  • 1-way coupling with optics

  • Pyro- Piezoelectric materials:
    • Hexagonal C6
    • Trigonal D3
    • Triclinic C1
  • (Oriented) Volume
  • 1-way coupling with optics

  • Modal analysis
  • Harmonic analysis coupled
    • Complex direct
    • Projection in coupled modal basis
    • Projection in uncoupled modal bases
  • Harmonic analysis uncoupled
    • Uncoupled acoustic radiation
    • Modes radiation efficiency computation
  • FMM: Fast Multipole Method
  • Vibroacoustic Interaction using Incompatible meshes
    • Node-based interpolation
    • Projection interpolation
  • 2-ways coupling with Pyropiezoelectric
  • 1-way coupling with Electromagnetic

  • Electro-technical hypotheses
  • Static and Transient
    • Linear and non-linear
  • Harmonic
  • 3D, 2D planar and axisymmetric modelling
  • Magnetic non-conductor and conductor, isolator, Active and Passive conductor
  • Permanent magnet
  • Inductor
    • Given current direction, Axi-symmetric
  • Electromotive source
    • Current driven
    • Potential driven
  • Infinite extension medium, electromagnetic wire
  • Coupling with Mechanical (Laplace force) and Thermal (Joule effect) fields

  • Static and Transient
    • Linear and non-linear
  • Thermoelectric conductor isotropic
  • Thermo-elastic electric conductor isotropic
  • Peltier, Seebeck , Thomson, Piezo-resistive effects
  • Joule Heating
  • Thermal dependency of Electrical and Thermal conductivity

  • Electromagnetic wave prpagation based on FDTD
  • Dissipative materials
  • PLM
  • Conforme mesh
  • S-parameters

  • Coupled three-field simulation

Computational electromagnetics (CEM)

Electrokinetic thermomechanics

  • Conduction current computation
  • Joule effect heating with thermomechanical coupling
  • Steady state or transient analysis
  • No magnetic field is considered

Electromagnetics - Low Frequency

  • Magnetostatics (magnetic field constant in time)
    • Source: Constant conduction current
    • Source: Permanent magnet
    • Electric field not influenced by magnetic field
  • Magnetodynamics (magnetic field variable in time)
    • Transient and harmonic analysis
    • Electric and magnetic field are fully coupled
    • Eddy current computation
  • Couplings with mechanical field (Laplace force) and thermal field (Joule effect)

Electromagnetics - High Frequency

Full wave Maxwell’s Equations solver
  • FDTD
  • PML
  • Tangent losses
  • Near-field-to-far-field transformations

Electrostatics mechanics

  • Computation of electrostatic forces using FEM or BEM
  • FEM/FEM coupling with mechanics.
    • Mesh morphing is available to account of large displacements of the structure.
  • FEM/BEM coupling with mechanics.
    • Fast Multipole Method available to accelerate large scale applications.
  • Understand the effect of pre-stesses on the response of the system.
  • Computation of the Pull-in voltage.