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<p>for example <a href="page.php?w=galaxy_formation">galaxy formation</a> and <a href="page.php?w=dark_matter">dark matter</a>.</p>

<p><big>Description</big></p>
<p>GADGET computes gravitational forces with a hierarchical tree algorithm (optionally in combination with a <a href="page.php?w=ewald_summation">particle-mesh</a> scheme for long-range gravitational forces) and represents fluids by means of <a href="page.php?w=smoothed-particle_hydrodynamics">smoothed-particle hydrodynamics</a> (SPH). The code can be used for studies of isolated systems, or for</p><p>
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