Physics Groups and Subgroups
The
Select Physics
page in the
Model Wizard
, as well as
The Add Physics Window
, contain groups and subgroups of physics and mathematics interfaces (some items only display if a license includes the corresponding add-on modules).
Recently Used (
)
This group contains the most recently used physics interfaces for easy access.
AC/DC (
)
The subgroups in this group contain physics interfaces for low-frequency electromagnetics such as electrostatics, electric currents and magnetic fields together with multiphysics couplings to heat transfer, structural mechanics, and charged particle dynamics.
Acoustics (
)
This group contains acoustics-based physics interfaces. Except for the Pressure Acoustics group, these subgroups require additional licenses:
•
Elastic Waves
•
Acoustic–Structure Interaction
•
Aeroacoustics
•
Thermoviscous Acoustics
•
Ultrasound
•
Geometrical Acoustics
•
Pipe Acoustics
•
Acoustic Streaming
Chemical Species Transport (
)
This group contains chemical species transport physics interfaces used, for example, for convection and diffusion, solving for the species concentrations and for chemical reactions. These subgroups are available depending on the specific license:
•
Moisture Transport
•
Moisture Flow
•
Vapor Flow
•
High Mach Number, Reacting Flow
•
Reacting Flow
•
Nonisothermal Reacting Flow
•
High Mach Number Reacting Flow
•
Reacting Flow in Porous Media
•
Rotating Machinery, Rotating Flow
•
Dispersed Two-Phase Flow with Species Transport
•
Vapor–Liquid Equilibrium
•
Precipitation and Crystallization
Electrochemistry (
)
This group contains electrochemistry physics interfaces for modeling electrochemical components such as batteries and fuel cells. This group and its subgroups are only available with additional licenses:
•
Batteries
•
Hydrogen Fuel Cells
•
Water Electrolyzers
•
Corrosion, Deformed Geometry
•
Electrodeposition, Deformed Geometry
Fluid Flow (
)
This group contains fluid flow physics interfaces such as laminar single-phase flow and, with add-on modules, multiphase flow and turbulent flow. These subgroups are available based on the license:
•
Single-Phase Flow (including additional Turbulent Flow and Rotating Machinery, Fluid Flow subgroups)
•
Thin-Film Flow
•
Multiphase Flow (including additional Bubbly Flow; Mixture Model; Euler–Euler Model; Two-Phase Flow, Level Set; Two-Phase Flow, Phase Field; Two-Phase Flow, Moving Mesh; Three-Phase Flow, Phase Field; and Rotating Machinery, Multiphase Flow subgroups)
•
Porous Media and Subsurface Flow
•
Nonisothermal Flow (including additional Turbulent Flow and Rotating Machinery, Nonisothermal Flow subgroups).
•
High Mach Number Flow (including an additional Turbulent Flow subgroup)
•
Rarefied Flow
•
Particle Tracing
•
Fluid–Structure Interaction
Heat Transfer (
)
This group contains physics interfaces for heat transfer in solids, fluids, pipes, and in porous media. Other physics interfaces are available for bioheat transfer and for heat and moisture transport. There are also multiphysics interfaces for thermal multiphysics applications such as Joule heating. These subgroups are available depending on the specific license:
•
Conjugate Heat Transfer (including an additional Turbulent Flow subgroup)
•
Radiation
•
Electromagnetic Heating
•
Thin Structures (for heat transfer in thin shells, thin films, and fractures)
•
Heat and Moisture Transport
•
Porous Media
•
Metal Processing
•
Curing
Optics (
)
This group contains physics interfaces for electromagnetic wave propagation in linear and nonlinear optical media for accurate component simulation and design optimization. This group and the subgroups are only available with additional licenses
•
Ray Optics
•
Wave Optics
Plasma (
)
This group contains physics interfaces for plasma modeling. This group and the Nonisothermal Plasma Flow, Equilibrium Discharges, and Species Transport subgroups require the Plasma Module.
Radio Frequency (
)
This group contains physics interfaces for high-frequency electromagnetic field simulations solving the full Maxwell equations. This group is only available with the RF Module.
Semiconductor (
)
This group contains physics interfaces that solve Poisson’s equation for the electric potential and the drift-diffusion equations for electrons and holes in a semiconductor material: Semiconductor interfaces and interfaces for solving the Schrödinger and Schrödinger–Poisson equations. This group is only available with the Semiconductor Module.
Structural Mechanics (
)
This group contains structural mechanics physics interfaces used to study displacements, stresses, and strains in solids and for multibody dynamics, fatigue, thermal stress, piezoelectricity, and other structural multiphysics couplings. Depending on licenses, the following subgroups can be available:
•
Rotordynamics
•
Electromagnetics–Structure Interaction
•
Fluid–Structure Interaction
•
Poroelasticity
•
Thermal–Structure Interaction
Mathematics (
)
This group contains mathematics interfaces for solving PDEs, ODEs, and DAEs, for optimization (which requires the Optimization Module) and sensitivity analysis, and for modeling moving meshes and parameterized geometry. These subgroups are available:
•
PDE Interfaces (including a Lower Dimensions subgroup)
•
ODE and DAE Interfaces
•
Optimization and Sensitivity
•
Classical PDEs
•
Moving Interface (available with either the CFD Module or Microfluidics Module)
•
Deformed Mesh
•
Wall Distance
•
Mathematical Particle Tracing (available with the Particle Tracing Module)
•
Curvilinear Coordinates
For a list of all the physics interfaces under each group and subgroup, see the individual documentation included with each add-on module. Or search the online Help for the keywords
Physics Interface Guide
.
•
Creating a New Model
•
Physics Interface Guide
•
Selecting Physics Interfaces
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