Test Quiz

The option you select is wrong. Analysis settings in Harmonic Acoustics Analysis revolve around defining step controls, selecting options for the frequency range of interest, solving methods, and controlling scattering field output. To get more info on this, click here.

The option you select is wrong. It is a subset of fluid analysis where the fluid (acoustic medium) is at rest or has limited movement without significant transport. To get more info on this, click here.

The option you select is wrong. Harmonic Acoustics Analysis quantifies acoustical characteristics including pressure distribution, sound power, the pressure gradient, and particle velocity at various frequencies, applied using equations for pure acoustics and fluid-structure interactions. To get more info on this, click here.

The option you select is wrong. Automatic Boundary Condition Detection provides the functionality to automatically create essential objects like Fluid Solid Interfaces and Far-field Radiation Surface objects based on the defined physics regions, which are pivotal for the analysis. To get more info on this, click here.

The option you select is wrong. Loads like Displacement or Bolt Pretension from Static Acoustics become fixed boundary conditions in the Harmonic Acoustics analysis, thus precluding them from behaving sinusoidally. To get more info on this, click here.

The option you select is wrong. Users can either import individual velocity loads or automatically generate multiple loads from the upstream system, including conversion of time-dependent velocities to frequency-dependent velocities. To get more info on this, click here.

The option you select is wrong. The Pre-Stress object in Harmonic Acoustics analysis must reference the Static Acoustics analysis to guarantee that loads are correctly applied, hence maintaining the integrity of the simulation results. To get more info on this, click here.

The option you select is wrong. Modal Acoustics systems automatically create a Physics Region scoped to all bodies, but physics selections need to be specified, especially for linking static and modal analyses. To get more info on this, click here.

The option you select is wrong. Modeling behaviors and connections are critical; Structural Regions cannot contain rigid bodies, and contact between acoustic and structural bodies requires specific bonding settings. To get more info on this, click here.

The option you select is wrong. Pre-stress conditions from a Static Acoustics analysis impact the modal analysis; loadings applied as initial conditions change the responses of the structure in the Modal Acoustics solution. To get more info on this, click here.

The option you select is wrong. Static Acoustics analysis is used for applying stresses to a downstream Fluid-Structure Interaction (FSI) analysis which involves both acoustic and structural phenomena. To get more info on this, click here.

The option you select is wrong. Specific Analysis Settings like Large Deflection and Step Controls are critical for accurate results, especially in complex or nonlinear scenarios, affecting solution accuracy and computational time. To get more info on this, click here.

The option you select is wrong. A Mass Source excitation generates sound waves and is commonly used in Coupled Field Harmonic and Harmonic Acoustics analyses. To get more info on this, click here.

The option you select is wrong. The Surface Velocity boundary condition is supported in 3D simulations but not in 2D simulations or for geometries other than solids. To get more info on this, click here.

The option you select is wrong. Result evaluation can be specified for a particular set number as required. To get more info on this, click here.

The option you select is wrong. Geometrically, the Diffuse Sound Field excitation supports solid and surface/shell types. To get more info on this, click here.

The option you select is wrong. The excitation condition is defined as a constant, and there is no topology selection involved with the Incident Wave Source. To get more info on this, click here.

The option you select is wrong. The Details view offers multiple fields and options, such as Wave Type (e.g., Planar, Monopole, Dipole) and Excitation Type (Pressure, Velocity), which determine the required input parameters. To get more info on this, click here.

The option you select is wrong. The excitation is scoped to the Port object and is defined as a constant loading condition. To get more info on this, click here.

The option you select is wrong. Available for 3D simulations in Coupled Field Harmonic and Harmonic Acoustics analyses, while 2D simulations are not supported. To get more info on this, click here.

The option you select is wrong. The loading for MSR is defined by magnitude only, which can be constant or time-varying (tabular). To get more info on this, click here.

The option you select is wrong. Surface Acceleration applies an acceleration to a surface on a model specifically for Coupled Field Transient analysis. To get more info on this, click here.

The option you select is wrong. To apply Surface Acceleration, it's accessible via the Environment Context tab or by right-click insertion options in the appropriate environments. To get more info on this, click here.

The option you select is wrong. The Temperature boundary condition can apply a constant or spatially varying temperature to bodies within an acoustic Physics Region(s). To get more info on this, click here.

The option you select is wrong. While applying an Impedance Sheet, users must define the Resistance and Reactance properties which can be parameterized. To get more info on this, click here.

The option you select is wrong. To apply an Impedance Sheet, users can access the option under the Environment Context tab by selecting Acoustic Loads > Impedance Sheet. To get more info on this, click here.

The option you select is wrong. Static Pressure loads apply a constant pressure to bodies within acoustic fluid regions and are used in acoustic types of analyses. To get more info on this, click here.

The option you select is wrong. If the analysis involves both Static Pressure and Temperature, the ideal gas model is automatically used. To get more info on this, click here.

The option you select is wrong. Pressure loading is strictly applied to a vertex, edge, or area of the selected topology and is defined as a constant. To get more info on this, click here.

The option you select is wrong. For successful load transfer, the upstream Harmonic Acoustics system must include Structural Physics Region(s), and Condensed Parts velocities are not considered. To get more info on this, click here.