Study on the Dependence of Reverse Simulation for Identifying a Pollutant Source on Grid Resolution and Filter Width in Cavity Flow

<table>Emission time and analysis time, forward analysis time: 0~100, reverse analysis time: 100~200. <svg height="14.3625" id="M116" style="vertical-align:-3.2316pt" version="1.1" viewbox="0 0 16.9125 14.3625" width="16.9125" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.3625)">
<g transform="translate(72,-60.51)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑈</tspan>
</text>
<text transform="matrix(1,0,0,-1,-63.14,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑏</tspan>
</text>
</g>
</g>
</svg> refers to the velocity at <svg height="14.3625" id="M117" style="vertical-align:-3.2316pt" version="1.1" viewbox="0 0 19.5375 14.3625" width="19.5375" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.3625)">
<g transform="translate(72,-60.51)">
<text transform="matrix(1,0,0,-1,-71.95,63.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐻</tspan>
</text>
<text transform="matrix(1,0,0,-1,-61.03,60.66)">
<tspan style="font-size: 8.75px; " x="0" y="0">𝑏</tspan>
</text>
</g>
</g>
</svg>.</table>

Journal of Applied Mathematics

fig2

Figure 2

Figure 2: Study on the Dependence of Reverse Simulation for Identifying a Pollutant Source on Grid Resolution and Filter Width in Cavity Flow 