Coupling the BEM/TBEM and the MFS for the Numerical Simulation of Wave Propagation in Heterogeneous Fluid-Solid Media

<table>Case 3: BEM, TBEM, MFS, and coupling formulations’ results: displacements at receiver (<svg height="14.2375" id="M158" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 17.7875 14.2375" width="17.7875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.2375)">
<g transform="translate(72,-60.61)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑅</tspan>
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<text transform="matrix(1,0,0,-1,-62.7,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">1</tspan>
</text>
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</svg>) and pressure at receiver (<svg height="14.2375" id="M159" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 17.7875 14.2375" width="17.7875" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.2375)">
<g transform="translate(72,-60.61)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑅</tspan>
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<text transform="matrix(1,0,0,-1,-62.7,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">2</tspan>
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</svg>) when the system is excited by a blast load: BEM.</table>

Mathematical Problems in Engineering

fig6

Figure 6

Figure 6: Coupling the BEM/TBEM and the MFS for the Numerical Simulation of Wave Propagation in Heterogeneous Fluid-Solid Media 