COMSOL 6.4 - Acoustics Module Physics Interface Guide

Physics interface	Icon	Tag	Space Dimension	Available Study Type
Acoustics
	Pressure Acoustics
	Pressure Acoustics, Frequency Domain1		acpr	all dimensions	eigenfrequency; frequency domain; frequency domain, modal; adaptive frequency sweep; mode analysis (2D and 1D axisymmetric models only); boundary mode analysis (3D and 2D axisymmetric models only)
	Pressure Acoustics, Transient		actd	all dimensions	eigenfrequency; frequency domain; frequency domain, modal; time dependent; time dependent, modal; mode analysis (2D and 1D axisymmetric models only)
	Pressure Acoustics, Boundary Mode		acbm	3D, 2D axisymmetric	mode analysis
	Pressure Acoustics, Boundary Elements		pabe	3D, 2D	frequency domain
	Pressure Acoustics, Time Explicit		pate	3D, 2D, 2D axisymmetric	time dependent
	Pressure Acoustics, Asymptotic Scattering		paas	3D	frequency domain
	Pressure Acoustics, Kirchhoff–Helmholtz		pakh	3D	frequency domain
	Elastic Waves
	Solid Mechanics (Elastic Waves)1		solid	3D, 2D, 2D axisymmetric, 1D axisymmetric, 1D	stationary; eigenfrequency; eigenfrequency, prestressed; mode analysis; time dependent; time dependent, modal; time dependent, modal reduced-order model; frequency domain; frequency domain, modal; frequency domain, prestressed; frequency domain, prestressed, modal; frequency domain, modal reduced-order model; frequency domain, AWE reduced-order model; modal reduced-order model
	Poroelastic Waves		pelw	3D, 2D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal
	Elastic Waves, Time Explicit		elte	3D, 2D, 2D axisymmetric	time dependent
	Piezoelectric Waves, Time Explicit		—	3D, 2D, 2D axisymmetric	time dependent
	Acoustic–Structure Interaction
	Acoustic–Solid Interaction, Frequency Domain3		—	3D, 2D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal
	Acoustic–Solid Interaction, Transient3		—	3D, 2D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal; time dependent; time dependent, modal
	Acoustic–Shell Interaction, Frequency Domain2,3		—	3D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal
	Acoustic–Shell Interaction, Transient2, 3		—	3D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal; time dependent; time dependent, modal
	Acoustic–Piezoelectric Interaction, Frequency Domain3		—	3D, 2D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal
	Acoustic–Piezoelectric Interaction, Transient3		—	3D, 2D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal; time dependent; time dependent, modal
	Acoustic–Solid–Poroelastic Waves Interaction3		—	3D, 2D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal
	Acoustic–Poroelastic Waves Interaction3		—	3D, 2D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal
	Acoustic–Solid Interaction, Time Explicit		—	3D, 2D	time domain
	Aeroacoustics
	Linearized Euler, Frequency Domain		lef	3D, 2D, 2D axisymmetric, 1D	frequency domain; eigenfrequency; mode analysis
	Linearized Euler, Transient		let	3D, 2D, 2D axisymmetric, 1D	time dependent
	Linearized Euler, Boundary Mode		lebm	3D, 2D axisymmetric	mode analysis
	Linearized Potential Flow, Frequency Domain		ae	all dimensions	frequency domain; mode analysis (2D and 1D axisymmetric models only)
	Linearized Potential Flow, Transient		aetd	all dimensions	frequency domain; time dependent; mode analysis (2D and 1D axisymmetric models only)
	Linearized Potential Flow, Boundary Mode		aebm	3D, 2D axisymmetric	mode analysis
	Compressible Potential Flow		cpf	all dimensions	stationary; time dependent
	Imported Fluid Flow		iff	3D	mapping; transient mapping
	Linearized Navier–Stokes, Frequency Domain		lnsf	3D, 2D, 2D axisymmetric, 1D	frequency domain; eigenfrequency; mode analysis
	Linearized Navier–Stokes, Transient		lnst	3D, 2D, 2D axisymmetric, and 1D	time dependent
	Linearized Navier–Stokes, Boundary Mode		lnsbm	3D, 2D axisymmetric	mode analysis
	Thermoviscous Acoustics
	Thermoviscous Acoustics, Frequency Domain		ta	all dimensions	eigenfrequency; frequency domain; frequency domain, modal; mode analysis (2D and 1D axisymmetric models only)
	Thermoviscous Acoustics, Transient		tatd	all dimensions	time dependent
	Thermoviscous Acoustics, Boundary Mode		tabm	3D, 2D axisymmetric	mode analysis
	Thermoviscous Acoustics, SLNS Approximation		slns	3D, 2D, 2D axisymmetric	frequency domain
	Acoustic–Thermoviscous Acoustic Interaction, Frequency Domain3		—	3D, 2D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal; boundary mode analysis (3D and 2D axisymmetric only); mode analysis (2D only)
	Thermoviscous Acoustic–Solid Interaction, Frequency Domain3		—	3D, 2D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal; mode analysis (2D only)
	Thermoviscous Acoustic–Shell Interaction, Frequency Domain2,3		—	3D, 2D axisymmetric	eigenfrequency; frequency domain; frequency domain, modal
	Thermoviscous Acoustic–Thermoelasticity Interaction, Frequency Domain5		—	3D, 2D, 2D axisymmetric	frequency domain perturbation
	Thermoviscous Acoustic–Thermoelasticity Interaction, Transient5		—	3D, 2D, 2D axisymmetric	time dependent
	Ultrasound
	Convected Wave Equation, Time Explicit		cwe	3D, 2D, 2D axisymmetric	time dependent
	Nonlinear Pressure Acoustics, Time Explicit		nate	3D, 2D, 2D axisymmetric	time dependent
	Geometrical Acoustics
	Ray Acoustics		rac	3D, 2D, 2D axisymmetric	ray tracing; time dependent
	Acoustic Diffusion Equation		ade	3D	eigenvalue; stationary; time dependent
	Pipe Acoustics
	Pipe Acoustics, Frequency Domain		pafd	3D, 2D	eigenfrequency; frequency domain
	Pipe Acoustics, Transient		patd	3D, 2D	time dependent
	Acoustic Streaming
	Acoustic Streaming from Pressure Acoustics		—	3D, 2D, 2D axisymmetric	frequency–stationary, frequency–transient
	Acoustic Streaming from Thermoviscous Acoustics		—	3D, 2D, 2D axisymmetric	frequency–stationary, frequency–transient
Structural Mechanics
Solid Mechanics1		solid	3D, 2D, 2D axisymmetric, 1D, 1D axisymmetric	stationary; eigenfrequency; eigenfrequency, prestressed; mode analysis; time dependent; time dependent, modal; time dependent, modal reduced-order model; frequency domain; frequency domain, modal; frequency domain, prestressed; frequency domain, prestressed, modal; frequency domain, modal reduced-order model; frequency domain, AWE reduced-order model
	Piezoelectricity
	Piezoelectricity, Solid		—	3D, 2D, 2D axisymmetric	stationary; eigenfrequency; eigenfrequency, prestressed; time dependent; time dependent, modal; frequency domain; frequency domain, modal; frequency domain, prestressed; frequency domain, prestressed, modal; small-signal analysis, frequency domain
	Magnetomechanics
	Piezomagnetism,3,4		—	3D, 2D, 2D axisymmetric	stationary; eigenfrequency; time dependent; frequency domain; small-signal analysis, frequency domain; eigenfrequency, prestressed; frequency domain, prestressed
	Nonlinear Magnetostriction,3,4		—	3D, 2D, 2D axisymmetric	stationary; eigenfrequency; time dependent; frequency domain; small-signal analysis, frequency domain; eigenfrequency, prestressed; frequency domain, prestressed
	Magnetomechanics, Solids,3,4		—	3D, 2D, 2D axisymmetric	stationary; eigenfrequency; time dependent; frequency domain; small-signal analysis, frequency domain; eigenfrequency, prestressed; frequency domain, prestressed
	Magnetomechanics, No Currents, Solids,3,4		—	3D, 2D, 2D axisymmetric	stationary; eigenfrequency; time dependent; frequency domain; small-signal analysis, frequency domain; eigenfrequency, prestressed; frequency domain, prestressed
	Magnetomechanics, Shell,3,4		—	3D, 2D axisymmetric	stationary; eigenfrequency; time dependent; frequency domain; small-signal analysis, frequency domain; eigenfrequency, prestressed; frequency domain, prestressed
	Magnetomechanics, No Currents, Shell,3,4		—	3D, 2D axisymmetric	stationary; eigenfrequency; time dependent; frequency domain; small-signal analysis, frequency domain; eigenfrequency, prestressed; frequency domain, prestressed
	Magnetomechanics, Membrane,3,4		—	3D, 2D axisymmetric	stationary; eigenfrequency; time dependent; frequency domain; small-signal analysis, frequency domain; eigenfrequency, prestressed; frequency domain, prestressed
	Magnetomechanics, No Currents, Membrane,3,4		—	3D, 2D axisymmetric	stationary; eigenfrequency; time dependent; frequency domain; small-signal analysis, frequency domain; eigenfrequency, prestressed; frequency domain, prestressed
1 This physics interface is included with the core COMSOL package but has added functionality for this module. 2 Requires both the Structural Mechanics Module and the Acoustics Module. 3 This physics interface is a predefined multiphysics coupling that automatically adds all the physics interfaces and coupling features required. 4 Requires the addition of the AC/DC Module. 5 Requires both the MEMS Module and the Acoustics Module.

Physics interface

Icon

Tag

Space Dimension

Available Study Type

Acoustics

Pressure Acoustics

Pressure Acoustics, Frequency Domain1

acpr

all dimensions

eigenfrequency; frequency domain; frequency domain, modal; adaptive frequency sweep; mode analysis (2D and 1D axisymmetric models only); boundary mode analysis (3D and 2D axisymmetric models only)