digitalcourage.social

Khurram Wadee ✅Following on from yesterday’s posting of flow around a <a href="https://mastodon.org.uk/tags/ZhukovskyAerofoil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ZhukovskyAerofoil</a>, I’ve added <a href="https://mastodon.org.uk/tags/equipotential" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#equipotential</a> lines (blue) in addition to <a href="https://mastodon.org.uk/tags/streamlines" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#streamlines</a> (black). The two families are <a href="https://mastodon.org.uk/tags/contours" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#contours</a> of the <a href="https://mastodon.org.uk/tags/real" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#real</a> and <a href="https://mastodon.org.uk/tags/imaginary" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#imaginary</a> parts of an <a href="https://mastodon.org.uk/tags/AnalyticFunction" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AnalyticFunction</a> and therefore have the property of intersecting <a href="https://mastodon.org.uk/tags/orthogonally" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#orthogonally</a>. The plots aren’t ideal as there are some anomalous features where the equipotential lines are very close to the <a href="https://mastodon.org.uk/tags/aerofoil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#aerofoil</a>.<a href="https://mastodon.org.uk/tags/MyWork" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MyWork</a> <a href="https://mastodon.org.uk/tags/CCBYSA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CCBYSA</a> <a href="https://mastodon.org.uk/tags/AppliedMathematics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AppliedMathematics</a> <a href="https://mastodon.org.uk/tags/Aeronautics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Aeronautics</a> <a href="https://mastodon.org.uk/tags/Aerodynamics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Aerodynamics</a>

Khurram Wadee ✅The <a href="https://mastodon.org.uk/tags/Zhukovsky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Zhukovsky</a> <a href="https://mastodon.org.uk/tags/Aerofoil" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Aerofoil</a> (sometimes transliterated as <a href="https://mastodon.org.uk/tags/Joukowsky" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Joukowsky</a> from <a href="https://mastodon.org.uk/tags/Russian" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Russian</a>), is a 2D model of <a href="https://mastodon.org.uk/tags/streamlined" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#streamlined</a> <a href="https://mastodon.org.uk/tags/Airflow" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Airflow</a> past a <a href="https://mastodon.org.uk/tags/wing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#wing</a>. It uses <a href="https://mastodon.org.uk/tags/ComplexVariable" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ComplexVariable</a> and is an <a href="https://mastodon.org.uk/tags/AnalyticFunction" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AnalyticFunction</a> (i.e. <a href="https://mastodon.org.uk/tags/Differentiable" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Differentiable</a> everywhere, save at isolated <a href="https://mastodon.org.uk/tags/Singularities" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Singularities</a>). Take a circle in the <a href="https://mastodon.org.uk/tags/ComplexPlane" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ComplexPlane</a> which is not quite centred at the <a href="https://mastodon.org.uk/tags/origin" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#origin</a> but passes through the <a href="https://mastodon.org.uk/tags/coordinate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#coordinate</a> (1,0) or (z=1+0i).<a href="https://mastodon.org.uk/tags/MyWork" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MyWork</a> <a href="https://mastodon.org.uk/tags/CCBYSA" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CCBYSA</a> <a href="https://mastodon.org.uk/tags/AppliedMathematics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AppliedMathematics</a> <a href="https://mastodon.org.uk/tags/WxMaxima" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#WxMaxima</a> <a href="https://mastodon.org.uk/tags/FreeSoftware" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#FreeSoftware</a> <a href="https://mastodon.org.uk/tags/Aeronautics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Aeronautics</a> <a href="https://mastodon.org.uk/tags/Aerodynamics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Aerodynamics</a> <a href="https://mastodon.org.uk/tags/LaminarFlow" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#LaminarFlow</a>

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