I'm from electronics background and new to the subject of CFD and Ansys fluent software. So, can you suggest me that is it possible to simulate and analyse the behaviour of ultrasound waves(like blood) in ansysfluent and how to create a vaccum in between the sound waves ?
It is possible to generate pressure waves in Fluent mimicking sound waves.
Some properties of blood can also be mimicked but the accuracy will depend on the wavelength of the sound. For scales smaller than 400 micrometers blood is not a continuous fluid.
Can't understand the vacuum thing.
As far as I think it is possible to analyze the ultrasound behavior of blood by Ansys fluent but it depends on the wavelength of sound.
I suspect that the issue is not related specifically to Fluent but to any CFD code that adopt a discrete time and space steps. Therefore, I think that you need to compare the required wavenumbers implied by the Nyquist cut-off of your grid setting
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