span class="keywordtype">elemental</span> <span class="keyword">function </span>coulomb(mu, normal, eps, velocity) <span class="keyword">result</span>(f)</div>
<div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="namespacefriction.html#a19a1618667c14ac09fe2fe9729792449">  163</a></span>&#160;        <span class="comment">! Arguments</span></div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="keywordtype">        real</span>(real64), <s