AcousticNormalVelocityValue

AcousticNormalVelocityValue[pred,vars,pars]

represents a time or frequency domain normal velocity boundary condition for PDEs with predicate pred indicating where it applies, with model variables vars and global parameters pars.

AcousticNormalVelocityValue[pred,vars,pars,lkey]

represents a time or frequency domain boundary condition with local parameters specified in pars[lkey].

Details

Examples

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Basic Examples  (2)

Set up a time domain acoustic normal velocity boundary:

Set up a frequency domain acoustic normal velocity boundary:

Scope  (4)

Define model variables vars for a transient acoustic pressure field with model parameters pars and a specific boundary condition parameter:

Define model variables vars for a transient acoustic pressure field with model parameters pars and multiple specific parameters boundary conditions:

Define model variables vars for a transient acoustic pressure field with model parameters pars:

Define silent initial conditions ics:

Set up the equation with an acoustic normal velocity boundary with the sound particle velocity v of at the left end:

Solve the PDE on a refined mesh:

Visualize the solution:

Define model variables vars for a frequency domain acoustic pressure field with model parameters pars:

Set up the equation with an acoustic normal velocity boundary at the left, the sound particle velocity of and an acoustic absorbing boundary at the right:

Solve the PDE:

Visualize the solution in the frequency domain at various frequencies :

Convert the solution to the time domain:

Wolfram Research (2020), AcousticNormalVelocityValue, Wolfram Language function, https://reference.wolfram.com/language/ref/AcousticNormalVelocityValue.html.

Text

Wolfram Research (2020), AcousticNormalVelocityValue, Wolfram Language function, https://reference.wolfram.com/language/ref/AcousticNormalVelocityValue.html.

BibTeX

@misc{reference.wolfram_2020_acousticnormalvelocityvalue, author="Wolfram Research", title="{AcousticNormalVelocityValue}", year="2020", howpublished="\url{https://reference.wolfram.com/language/ref/AcousticNormalVelocityValue.html}", note=[Accessed: 16-January-2021 ]}

BibLaTeX

@online{reference.wolfram_2020_acousticnormalvelocityvalue, organization={Wolfram Research}, title={AcousticNormalVelocityValue}, year={2020}, url={https://reference.wolfram.com/language/ref/AcousticNormalVelocityValue.html}, note=[Accessed: 16-January-2021 ]}

CMS

Wolfram Language. 2020. "AcousticNormalVelocityValue." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/AcousticNormalVelocityValue.html.

APA

Wolfram Language. (2020). AcousticNormalVelocityValue. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/AcousticNormalVelocityValue.html