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sphinx/build/html/_sources/tutorial3/tutorial.rst.txt

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@@ -41,6 +41,18 @@ interactions :cite:`ewald1921berechnung`. Finally, the
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:ref:`carbon-nanotube-label`, sets the LJ and Coulomb
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weighting factors for the interaction between neighboring atoms.
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.. admonition:: Note
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:class: non-title-info
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With Coulomb interactions, additional rules
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apply to the ``pair_coeff`` command: (a) atom type values
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only matter for assignment of LJ potential parameters; (b) for Coulomb interactions,
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there are no parameters outside the cutoff, and when using a
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``coul/long`` pair style, that cutoff can only be set globally
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for all atoms with the ``pair_style`` command; (c) for
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Coulomb interactions, only the per-atom charge and any
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``special_bonds`` exclusions are relevant.
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.. include:: ../shared/needhelp.rst
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Let us create a 3D simulation box of dimensions :math:`6 \times 3 \times 3 \; \text{nm}^3`,
@@ -518,3 +530,13 @@ named **pull.lammpstrj**, which can be opened in OVITO or VMD.
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only the trajectory dump needs to be added. Alternatively, the
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``dump custom`` command can be combined with ``dump`` command to
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include element names in the dump file and simplify visualization.
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.. admonition:: Note
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:class: non-title-info
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Microstates collected during a simulation in the form of a trajectory
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can be analyzed within LAMMPS using the ``rerun`` command. This is
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particularly useful, for example, for computing properties not set up in
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the original simulation without having to run it again. A possible use of
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the ``rerun`` command is estimating the self-diffusion coefficient
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by using the ``compute msd`` command :cite:`frenkel2023understanding`.

sphinx/build/html/searchindex.js

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sphinx/build/html/tutorial3/polymer-in-water.html

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@@ -353,6 +353,17 @@ <h2>Preparing the water reservoir<a class="headerlink" href="#preparing-the-wate
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<code class="docutils literal notranslate"><span class="pre">special_bonds</span></code> command, which was already seen in
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<a class="reference internal" href="../tutorial2/breaking-a-carbon-nanotube.html#carbon-nanotube-label"><span class="std std-ref">Pulling on a carbon nanotube</span></a>, sets the LJ and Coulomb
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weighting factors for the interaction between neighboring atoms.</p>
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<div class="non-title-info admonition">
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<p class="admonition-title">Note</p>
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<p>With Coulomb interactions, additional rules
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apply to the <code class="docutils literal notranslate"><span class="pre">pair_coeff</span></code> command: (a) atom type values
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only matter for assignment of LJ potential parameters; (b) for Coulomb interactions,
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there are no parameters outside the cutoff, and when using a
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<code class="docutils literal notranslate"><span class="pre">coul/long</span></code> pair style, that cutoff can only be set globally
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for all atoms with the <code class="docutils literal notranslate"><span class="pre">pair_style</span></code> command; (c) for
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Coulomb interactions, only the per-atom charge and any
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<code class="docutils literal notranslate"><span class="pre">special_bonds</span></code> exclusions are relevant.</p>
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</div>
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<div class="patreon admonition">
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<p class="admonition-title">Struggling with your molecular simulations project?</p>
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<p>Get guidance for your LAMMPS simulations and receive
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include element names in the dump file and simplify visualization.</p>
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</div>
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<div class="non-title-info admonition">
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<p class="admonition-title">Note</p>
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<p>Microstates collected during a simulation in the form of a trajectory
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can be analyzed within LAMMPS using the <code class="docutils literal notranslate"><span class="pre">rerun</span></code> command. This is
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particularly useful, for example, for computing properties not set up in
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the original simulation without having to run it again. A possible use of
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the <code class="docutils literal notranslate"><span class="pre">rerun</span></code> command is estimating the self-diffusion coefficient
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by using the <code class="docutils literal notranslate"><span class="pre">compute</span> <span class="pre">msd</span></code> command <span id="id17">[<a class="reference internal" href="../non-tutorials/bibliography.html#id9" title="Daan Frenkel and Berend Smit. Understanding molecular simulation: from algorithms to applications. Elsevier, 2023.">6</a>]</span>.</p>
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</div>
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<div class="non-title-info admonition">
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<p class="admonition-title">Cite</p>
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<p>You can access the input scripts and data files that
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are used in these tutorials from a dedicated <a href="https://github.com/lammpstutorials/lammpstutorials-inputs/" target="_blank">GitHub repository</a>.
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</div>
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<p>Note the difference in the structure of the water before and after
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the PEG molecule is stretched. This effect is described in
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the 2017 publication by Liese et al. <span id="id17">[<a class="reference internal" href="../non-tutorials/bibliography.html#id52" title="Susanne Liese, Manuel Gensler, Stefanie Krysiak, Richard Schwarzl, Andreas Achazi, Beate Paulus, Thorsten Hugel, Jürgen P Rabe, and Roland R Netz. Hydration effects turn a highly stretched polymer from an entropic into an energetic spring. ACS nano, 11(1):702–712, 2017.">27</a>]</span>.</p>
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the 2017 publication by Liese et al. <span id="id18">[<a class="reference internal" href="../non-tutorials/bibliography.html#id52" title="Susanne Liese, Manuel Gensler, Stefanie Krysiak, Richard Schwarzl, Andreas Achazi, Beate Paulus, Thorsten Hugel, Jürgen P Rabe, and Roland R Netz. Hydration effects turn a highly stretched polymer from an entropic into an energetic spring. ACS nano, 11(1):702–712, 2017.">27</a>]</span>.</p>
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</section>
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<section id="add-salt-to-the-system">
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<h3>Add salt to the system<a class="headerlink" href="#add-salt-to-the-system" title="Link to this heading"></a></h3>

sphinx/build/html/tutorial3/tutorial.html

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@@ -305,6 +305,17 @@ <h1>Preparing the water reservoir<a class="headerlink" href="#preparing-the-wate
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<code class="docutils literal notranslate"><span class="pre">special_bonds</span></code> command, which was already seen in
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<a class="reference internal" href="../tutorial2/breaking-a-carbon-nanotube.html#carbon-nanotube-label"><span class="std std-ref">Pulling on a carbon nanotube</span></a>, sets the LJ and Coulomb
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weighting factors for the interaction between neighboring atoms.</p>
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<div class="non-title-info admonition">
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<p class="admonition-title">Note</p>
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<p>With Coulomb interactions, additional rules
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apply to the <code class="docutils literal notranslate"><span class="pre">pair_coeff</span></code> command: (a) atom type values
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only matter for assignment of LJ potential parameters; (b) for Coulomb interactions,
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there are no parameters outside the cutoff, and when using a
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<code class="docutils literal notranslate"><span class="pre">coul/long</span></code> pair style, that cutoff can only be set globally
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for all atoms with the <code class="docutils literal notranslate"><span class="pre">pair_style</span></code> command; (c) for
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Coulomb interactions, only the per-atom charge and any
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<code class="docutils literal notranslate"><span class="pre">special_bonds</span></code> exclusions are relevant.</p>
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</div>
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<div class="patreon admonition">
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<p class="admonition-title">Struggling with your molecular simulations project?</p>
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<p>Get guidance for your LAMMPS simulations and receive
@@ -680,6 +691,15 @@ <h2>Tip: using external visualization tools<a class="headerlink" href="#tip-usin
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<code class="docutils literal notranslate"><span class="pre">dump</span> <span class="pre">custom</span></code> command can be combined with <code class="docutils literal notranslate"><span class="pre">dump</span></code> command to
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include element names in the dump file and simplify visualization.</p>
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</div>
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<div class="non-title-info admonition">
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<p class="admonition-title">Note</p>
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<p>Microstates collected during a simulation in the form of a trajectory
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can be analyzed within LAMMPS using the <code class="docutils literal notranslate"><span class="pre">rerun</span></code> command. This is
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particularly useful, for example, for computing properties not set up in
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the original simulation without having to run it again. A possible use of
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the <code class="docutils literal notranslate"><span class="pre">rerun</span></code> command is estimating the self-diffusion coefficient
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by using the <code class="docutils literal notranslate"><span class="pre">compute</span> <span class="pre">msd</span></code> command <span id="id11">[<a class="reference internal" href="../non-tutorials/bibliography.html#id9" title="Daan Frenkel and Berend Smit. Understanding molecular simulation: from algorithms to applications. Elsevier, 2023.">6</a>]</span>.</p>
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</div>
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</section>
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</section>
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sphinx/source/tutorial3/tutorial.rst

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@@ -41,6 +41,18 @@ interactions :cite:`ewald1921berechnung`. Finally, the
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:ref:`carbon-nanotube-label`, sets the LJ and Coulomb
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weighting factors for the interaction between neighboring atoms.
4343

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.. admonition:: Note
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:class: non-title-info
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47+
With Coulomb interactions, additional rules
48+
apply to the ``pair_coeff`` command: (a) atom type values
49+
only matter for assignment of LJ potential parameters; (b) for Coulomb interactions,
50+
there are no parameters outside the cutoff, and when using a
51+
``coul/long`` pair style, that cutoff can only be set globally
52+
for all atoms with the ``pair_style`` command; (c) for
53+
Coulomb interactions, only the per-atom charge and any
54+
``special_bonds`` exclusions are relevant.
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.. include:: ../shared/needhelp.rst
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Let us create a 3D simulation box of dimensions :math:`6 \times 3 \times 3 \; \text{nm}^3`,
@@ -518,3 +530,13 @@ named **pull.lammpstrj**, which can be opened in OVITO or VMD.
518530
only the trajectory dump needs to be added. Alternatively, the
519531
``dump custom`` command can be combined with ``dump`` command to
520532
include element names in the dump file and simplify visualization.
533+
534+
.. admonition:: Note
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:class: non-title-info
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537+
Microstates collected during a simulation in the form of a trajectory
538+
can be analyzed within LAMMPS using the ``rerun`` command. This is
539+
particularly useful, for example, for computing properties not set up in
540+
the original simulation without having to run it again. A possible use of
541+
the ``rerun`` command is estimating the self-diffusion coefficient
542+
by using the ``compute msd`` command :cite:`frenkel2023understanding`.

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