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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>RSG CE</title>
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fetch("menu.html")
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<div class="research">
<div class="research-page">
<h1>Videos</h1>
<h2>3D radiation hydrodynamics simulations of common-envelope evolution with a 12 solar mass red supergiant donor</h2>
<p>These videos are associated with the work <i>Common envelopes in massive stars III: The obstructive role of radiation transport in envelope ejection</i> <a href="https://ui.adsabs.harvard.edu/abs/2025arXiv250320506L/abstract">(Lau et al. 2025)</a>.</p>
<br>
<p>For each simulation, we show the density cross-section in the equatorial/orbital plane, in the meridional plane, and in a meridional plane instantaneously co-rotating with the stellar cores.</p>
<br>
<br>
<table>
<thead>
<tr>
<th>Physics assumption </th>
<th>Cross-section </th>
</tr>
</thead>
<tbody>
<tr>
<td>Adiabatic</td>
<td>See the <a href="RSG_CE.html#500k_3M_gasrad_surf">gas + radiation equation of state simulation</a> in Paper I</td>
</tr>
<tr>
<td>Radiative</td>
<td><a href="#rad_xy">Equatorial</a> <a href="#rad_xz">Meridional</a> <a href="#rad_xz_corotate">Meridional (corotating)</a></td>
</tr>
<tr>
<td>Radiative + heating</td>
<td><a href="#heated_xy">Equatorial</a> <a href="#heated_xz">Meridional</a> <a href="#heated_xz_corotate">Meridional (corotating)</a></td>
</tr>
<tr>
<td>Side-by-side comparison</td>
<td><a href="#gasrad_rad_heated_xy">Equatorial</a> <a href="#gasrad_rad_heated_xz">Meridional</a></td>
</tr>
<tr>
<td>Side-by-side comparison <br> (<i>Adiabatic</i> and <i>Radiative</i> only)</td>
<td><a href="#gasrad_rad_xy">Equatorial</a> <a href="#gasrad_rad_xz">Meridional</a></td>
</tr>
</tbody>
</table>
<br>
<br>
<hr>
<h3>Adiabatic</h3>
<p>This case is identical to the gas + radiation equation of state simulation in Paper I (<a href="https://ui.adsabs.harvard.edu/abs/2021arXiv211100923L/abstract">Lau et al. 2022</a>)—its movies are shown on <a href="https://themikelau.github.io/RSG_CE#500k_3M_gasrad_surf">here</a>.</p>
<br>
<hr>
<h3>Radiative</h3>
<figure>
<a id="rad_xy">
<video class="center" src="publication_videos/radiation_CE/rad_rho_xy.mov" width="480" controls playsinline muted >Sorry, your browser doesn't support embedded videos</video>
</a>
<figcaption>Radiative simulation, equatorial plane.</figcaption>
</figure>
<br>
<figure>
<a id="rad_xz">
<video class="center" src="publication_videos/radiation_CE/rad_rho_xz.mov" width="480" controls playsinline muted >Sorry, your browser doesn't support embedded videos</video>
</a>
<figcaption>Radiative simulation, meridional plane.</figcaption>
</figure>
<br>
<figure>
<a id="rad_xz_corotate">
<video class="center" src="publication_videos/radiation_CE/rad_rho_xz_corotate.mov" width="480" controls playsinline muted >Sorry, your browser doesn't support embedded videos</video>
</a>
<figcaption>Radiative simulation, meridional plane, corotating frame.</figcaption>
</figure>
<br>
<hr>
<h3>Radiative + heating</h3>
<figure>
<a id="heated_xy">
<video class="center" src="publication_videos/radiation_CE/heated_rho_xy.mov" width="480" controls playsinline muted >Sorry, your browser doesn't support embedded videos</video>
</a>
<figcaption>Radiative + heating simulation, equatorial plane.</figcaption>
</figure>
<br>
<figure>
<a id="heated_xz">
<video class="center" src="publication_videos/radiation_CE/heated_rho_xz.mov" width="480" controls playsinline muted >Sorry, your browser doesn't support embedded videos</video>
</a>
<figcaption>Radiative + heating simulation, meridional plane.</figcaption>
</figure>
<br>
<figure>
<a id="heated_xz_corotate">
<video class="center" src="publication_videos/radiation_CE/heated_rho_xz_corotate.mov" width="480" controls playsinline muted >Sorry, your browser doesn't support embedded videos</video>
</a>
<figcaption>Radiative + heating simulation, meridional plane, corotating frame.</figcaption>
</figure>
<br>
<hr>
<h3>Side-by-side comparison</h3>
<figure>
<a id="gasrad_rad_heated_xy">
<video class="center" src="publication_videos/radiation_CE/rho_xy_gasrad_rad_heated.mov" width="480" controls playsinline muted >Sorry, your browser doesn't support embedded videos</video>
</a>
<figcaption>Equatorial plane. Left: Adiabatic, centre: radiative, right: radiative + heating.</figcaption>
</figure>
<br>
<figure>
<a id="gasrad_rad_heated_xz">
<video class="center" src="publication_videos/radiation_CE/rho_xz_gasrad_rad_heated.mov" width="480" controls playsinline muted >Sorry, your browser doesn't support embedded videos</video>
</a>
<figcaption>Meridional plane. Left: Adiabatic, centre: radiative, right: radiative + heating.</figcaption>
</figure>
<br>
<hr>
<h3>Side-by-side comparison (<i>Adiabatic</i> and <i>Radiative</i> only)</h3>
<figure>
<a id="gasrad_rad_xy">
<video class="center" src="publication_videos/radiation_CE/rho_xy_gasrad_rad.mov" width="480" controls playsinline muted >Sorry, your browser doesn't support embedded videos</video>
</a>
<figcaption>Equatorial plane. Left: Adiabatic, right: radiative.</figcaption>
</figure>
<br>
<figure>
<a id="gasrad_rad_xz">
<video class="center" src="publication_videos/radiation_CE/rho_xz_gasrad_rad.mov" width="480" controls playsinline muted >Sorry, your browser doesn't support embedded videos</video>
</a>
<figcaption>Meridional plane. Left: Adiabatic, right: radiative.</figcaption>
</figure>
<br>
</div>
</div>