https://yihanwangastro.github.io/tag/few-body-dynamics/Few-Body DynamicsHugo Blox Builder (https://hugoblox.com)en-usSat, 01 May 2021 00:00:00 +0000https://yihanwangastro.github.io/media/icon_hu_5f4ae6b6057760e0.pnghttps://yihanwangastro.github.io/tag/few-body-dynamics/https://yihanwangastro.github.io/project/spacehub/Sat, 01 May 2021 00:00:00 +0000https://yihanwangastro.github.io/project/spacehub/<p>SpaceHub is a state-of-the-art few-body gravity integration toolkit built in C++. It implements Algorithmic Regularization (AR) and symplectic integrators to handle scenarios that break conventional codes:</p> <div class="highlight"><pre tabindex="0" class="chroma"><code class="language-fallback" data-lang="fallback"><span class="line"><span class="cl">$ spacehub --status </span></span><span class="line"><span class="cl">┌─────────────────────────────────────────────┐ </span></span><span class="line"><span class="cl">│ SpaceHub v1.0 │ </span></span><span class="line"><span class="cl">│ Extreme mass ratios ✓ │ </span></span><span class="line"><span class="cl">│ High eccentricities ✓ │ </span></span><span class="line"><span class="cl">│ Close encounters ✓ │ </span></span><span class="line"><span class="cl">│ Round-off error control ✓ │ </span></span><span class="line"><span class="cl">│ Long-term integration ✓ │ </span></span><span class="line"><span class="cl">└─────────────────────────────────────────────┘ </span></span></code></pre></div><p><strong>Key Features:</strong></p> <ul> <li>Algorithmic Regularization for extreme mass ratios (e.g., SMBH + stellar-mass objects)</li> <li>Symplectic integrators ensuring time-reversibility</li> <li>Rigorous round-off error control for long-term orbital evolution</li> <li>Easy-to-use API designed for community adoption</li> <li>Applications: SMBH binaries, planetary system evolution, chaotic star clusters</li> </ul> <p><strong>Publication:</strong> Wang et al. (2021), MNRAS, 505, 1053</p>