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v3.X
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<li><a class="reference internal" href="#">forceModel 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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<div class="section" id="forcemodel-command">
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<span id="index-0"></span><h1>forceModel command<a class="headerlink" href="#forcemodel-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>forceModels
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(
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model_x
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model_y
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);
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</pre></div>
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<ul class="simple">
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<li>model = name of force model to be applied</li>
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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>forceModels
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(
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Archimedes
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DiFeliceDrag
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);
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</pre></div>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This examples list might not be complete - please look for other models (forceModel_XY) in this documentation.</p>
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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 force model performs the calculation of forces (e.g. fluid-particle interaction forces) acting on each DEM particle and on each CFD cell. All force models selected are executed sequentially and the forces on the particles are superposed. If the fluid density field is needed, by default a field named “rho” will be used. Via the forceSubModel an alternative field can be chosen.</p>
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<p>Some force models aren’t actual force calculations, but might be used to create additional output fields.</p>
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</div>
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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>Most force models are ready to be used with coarse graining. If any force model used in the simulation is not ready for coarse graining, but is used with coarse graining, the simulation is stopped. Setting a flag “cgWarnOnly true;” in coupling properties, the simulation will print a warning to the terminal (log file).</p>
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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="forceModel_Archimedes.html"><em>Archimedes</em></a>, <a class="reference internal" href="forceModel_DiFeliceDrag.html"><em>DiFeliceDrag</em></a>, <a class="reference internal" href="forceModel_gradPForce.html"><em>gradPForce</em></a>, <a class="reference internal" href="forceModel_viscForce.html"><em>viscForce</em></a></p>
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<p>Note: This examples list may be incomplete - please look for other models (forceModel_XY) in this documentation.</p>
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<p><strong>Default:</strong> none.</p>
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