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<div class="local-toc"><ul>
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<li><a class="reference internal" href="#">locateModel_engineSearchIB command</a><ul>
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<li><a class="reference internal" href="#syntax">Syntax</a></li>
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<li><a class="reference internal" href="#examples">Examples</a></li>
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<li><a class="reference internal" href="#description">Description</a></li>
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<li><a class="reference internal" href="#restrictions">Restrictions</a></li>
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<li>locateModel_engineSearchIB command</li>
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<div class="section" id="locatemodel-enginesearchib-command">
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<span id="index-0"></span><h1>locateModel_engineSearchIB command<a class="headerlink" href="#locatemodel-enginesearchib-command" title="Permalink to this headline">¶</a></h1>
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<div class="section" id="syntax">
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<h2>Syntax<a class="headerlink" href="#syntax" title="Permalink to this headline">¶</a></h2>
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<p>Defined in couplingProperties dictionary.</p>
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<div class="highlight-python"><div class="highlight"><pre>locateModel engineIB;
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engineIBProps
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{
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treeSearch switch1;
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zSplit value1;
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xySplit value2;
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checkPeriodicCells;
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}
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</pre></div>
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<ul class="simple">
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<li><em>switch1</em> = names of the finite volume scalar fields to be temporally averaged</li>
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<li><em>value1</em> = number of z-normal layers for satellite points</li>
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<li><em>value2</em> = number of satellite points in each layer</li>
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<li><em>checkPeriodicCells</em> = (optional, default false) flag for considering the minimal distance to all periodic images of this particle</li>
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</ul>
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<div class="section" id="examples">
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<h2>Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h2>
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<div class="highlight-python"><div class="highlight"><pre>locateModel engineIB;
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engineIBProps
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{
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treeSearch false;
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zSplit 8;
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xySplit 16;
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}
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</pre></div>
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</div>
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</div>
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<div class="section" id="description">
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<h2>Description<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
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<p>The locateModel “engine” locates the CFD cell and cellID corresponding to a given position. This locate model is especially designed for parallel immersed boundary method. Each particle is represented by “satellite points” if it is distributed over several processors.</p>
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<p>The engineSearchIB locate Model can be used with different settings to use different algorithms:</p>
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<ul class="simple">
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<li>treeSearch false; will execute some geometric (linear) search using the last known cellID (recommended)</li>
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<li>treeSearch true; will use a recursive tree structure to find the cell.</li>
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</ul>
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<p>This model is a modification of the engine search model. Instead of using the centre-cell as starting point for the engine search, further satellite points located on the surface of the sphere are checked. This ensures that (parts of) spheres can be located even when their centre is on another processor. This is especially important for parallel computations, when a sphere is about to move from one processor to another.</p>
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<div class="section" id="restrictions">
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<h2>Restrictions<a class="headerlink" href="#restrictions" title="Permalink to this headline">¶</a></h2>
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<p>Only for immersed boundary solvers!</p>
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</div>
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<div class="section" id="related-commands">
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<h2>Related commands<a class="headerlink" href="#related-commands" title="Permalink to this headline">¶</a></h2>
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<p><a class="reference internal" href="locateModel.html"><em>locateModel</em></a></p>
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