This analysis enables you to simulate the following physics types, independently or in combination, in a harmonic environment:
Stand-alone Acoustics physics
Piezoelectric Coupling
Coupling of Structural and Acoustics physics
Piezoelectric coupling with Acoustics physics
Note: Piezoelectric analyses couple structural and electric physics with materials that have natural properties, such as quartz and ceramics.
See the Application Examples and Background section for an overview of types of problems that use coupled structural-electric solutions as well as some examples. Also see the Acoustics Analysis Overview section for more detailed information about performing an acoustics analysis.
Points to Remember
You can use an upstream Coupled Field Static analysis to prestress a Coupled Field Harmonic analysis.
When beginning the analysis, you need to properly define the Physics Region object(s). The Physics Region object(s):
Is automatically included.
Requires each body of the model to be specified by a physics.
Defines the physics of the entire system/analysis.
Specifies physics type per body as needed.
Needs to be scoped to at least one body with more than one physics type or to an acoustic body.
This section assumes that you have an understanding of the general workflow for performing a simulation. As needed throughout the analysis, refer to the Steps for Using the Application section for an overview of the workflow.
Define Physics Region(s)
For this analysis, the physics types available for the Physics Region object include:
Structural
Acoustics
Electric (Charge)
When Structural property is set to and Electric property is set to , the Coupling Option category, that includes the Piezoelectric property displays and indicates that the region is a piezoelectric region (read-only setting of ).
You can add Physics Region objects as desired by:
Highlighting the Environment object and selecting the Physics Region option on the Environment Context Tab or right-click the Environment object or within the Geometry window and select > .
Define all of the properties for the new object.
For additional information, see the Physics Region object reference section.
Specify Analysis Settings
The analysis type supports the following Analysis Settings:
Apply Boundary Conditions
The Environment Context tab provides the various groups of loads, supports, and conditions. In addition, the following Electric loads and boundary conditions are specific to Coupled Field Harmonic analysis:
Voltage (Supports Phase Angle using Beta Options)
See the Boundary Conditions section for additional information.
Results
Note that for many results, the default setting for geometry selection is either , , or , depending on the given result type.
When you select the Solution Context tab, it provides the common result options as well as Electric results. The Electric result drop-down menu contains the following results that are specific to this analysis:
In addition, the Probes drop-down menu includes and probes and the Frequency Response drop-down menu includes , , and chart options. These result options are unique to this analysis type.
See the Using Results section for more information.