 flex">
<span>def <span class="ident">create_material</span></span>(<span>name=None, fractional_masses=None, thickness=None, density=None)</span>
</code></dt>
<dd>
<div class="desc"><p>Create a new material given the composition and fractional masses.</p>
<h2 id="parameters">Parameters</h2>
<dl>
<dt><strong><code>name</code></strong> :&ensp;<code>str</code></dt>
<dd>Name of the meterial</dd>
<dt><strong><code>fractional_masses</code></strong> :&ensp;<code>dict</code></dt>
<dd>The element and fractional mass