#### NOTE [Go to the end](#sphx-glr-download-auto-examples-network-generator-plot-simple-crosslinked-network-py) to download the full example code. # Simple Crosslinked Network Here’s a minimal example of creating a crosslinked polymer network: ```none Generated network with 4100 atoms ```
```Python import os from pylimer_tools_cpp import DataFileWriter, MCUniverseGenerator # Create generator for a 50x50x50 simulation box generator = MCUniverseGenerator(50.0, 50.0, 50.0) # Set random seed for reproducibility generator.set_seed(12345) # Set mean bead-to-bead distance generator.set_bead_distance(1.0) # Add crosslinking sites generator.add_crosslinkers(100, 4) # 100 crosslinkers of functionality 4 # Add polymer chains generator.add_strands( nr_of_strands=200, # 200 polymer chains strand_lengths=[20 for _ in range(200)], # 20 beads per chain ) # Crosslink polymer strands generator.link_strands_to_conversion( crosslinker_conversion=0.925, # 92.5% of crosslinker sites used ) # Get the generated network universe = generator.get_universe() # Set masses, e.g. for LAMMPS universe.set_masses({1: 1.0, 2: 2.0}) print(f"Generated network with {universe.get_nr_of_atoms()} atoms") # Save the universe to a file writer = DataFileWriter(universe) if not os.path.exists("generated_structures"): os.makedirs("generated_structures") writer.write_to_file("generated_structures/simple_crosslinked_network.data") ``` **Total running time of the script:** (0 minutes 0.513 seconds) [`Download Jupyter notebook: plot_simple_crosslinked_network.ipynb`](_downloads/81342f99548b60c95d06fcd36cbc0ee3/plot_simple_crosslinked_network.ipynb) [`Download Python source code: plot_simple_crosslinked_network.py`](_downloads/b28d6fc36f311ddc7d4f334b91304cee/plot_simple_crosslinked_network.py) [`Download zipped: plot_simple_crosslinked_network.zip`](_downloads/85193cfcf0390c0fa2f5105480298a32/plot_simple_crosslinked_network.zip) [Gallery generated by Sphinx-Gallery](https://sphinx-gallery.github.io)