Surface acoustic wave reflection/transmission at vertical borders of piezoelectric substrates

Darinskii, A.N.; Weihnacht, M.; Schmidt, H.

doi:10.1016/j.ultras.2014.08.012

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Scattering Problem For the Saw1

Introduction1

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Cited by 9 publications

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“…The PML parameters were checked, like in our previous works, [51][52][53][54][55][56][57][58] by comparing the wave fields computed at different sizes of domains 1-5 representing the parts of the actual structure (Fig. 1).…”

Section: Scattering Problem For the Sawmentioning

confidence: 99%

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Computation of the pressure field generated by surface acoustic waves in microchannels

2016

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The high-frequency pressure induced by a surface acoustic wave in the fluid filling a microchannel is computed by solving the full scattering problem. The microchannel is fabricated inside a container attached to the top of a piezoelectric substrate where the surface wave propagates. The finite element method is used. The pressure found in this way is compared with the pressure obtained by solving boundary-value problems formulated on the basis of simplifications which have been introduced in earlier papers by other research studies. The considered example shows that the difference between the results can be significant, ranging from several tens of percent up to several times in different points inside the channel.

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Section: Scattering Problem For the Sawmentioning

confidence: 99%

“…Note that we have already investigated the SAW scattering in various cases by FEM in combination with PML. [51][52][53][54][55][56][57][58] An analogous method is also used in ref. 59.…”

Section: Introductionmentioning

confidence: 99%