CalculiX python

CalculiX is a finite element analysis software package that is primarily written in Fortran. It provides a wide range of capabilities for solving structural, thermal, and multiphysics problems. Although CalculiX itself is not written in Python, there are Python interfaces available that allow you to interact with CalculiX from a Python environment.

One popular Python interface for CalculiX is pyCalculiX, which provides a convenient way to set up and run CalculiX simulations using Python scripts. With pyCalculiX, you can generate input files, define materials and boundary conditions, run simulations, and post-process the results, all within the Python environment.

To use pyCalculiX, you can install it using pip:

pip install pyCalculiX

After installation, you can import the pyCalculiX module in your Python script and start using its functions and classes to interact with CalculiX.

Here's a simple example that demonstrates how to use pyCalculiX to create and run a basic CalculiX simulation:

import pyCalculiX as pycx

# Create a new CalculiX model
model = pycx.Model()

# Define nodes
node1 = model.addNode(0.0, 0.0)
node2 = model.addNode(1.0, 0.0)
node3 = model.addNode(1.0, 1.0)
node4 = model.addNode(0.0, 1.0)

# Define elements
element1 = model.addElement("CPS4", [node1, node2, node3, node4])

# Define materials
material1 = model.addMaterial("Steel", elastic_modulus=200e9)

# Define sections
section1 = model.addSection("Rectangular", thickness=0.01)

# Assign properties to elements
model.assignProperties(element1, material1, section1)

# Define boundary conditions
model.addConstraint(node1, [1, 1])
model.addConstraint(node2, [1, 1])
model.addForce(node3, [0, -1000])

# Generate CalculiX input file
model.generateInput("example.inp")

# Run CalculiX simulation
pycx.runSimulation("example.inp")

This is just a basic example to get you started. pyCalculiX provides a wide range of functions and classes to handle more advanced simulations and post-processing tasks. You can refer to the pyCalculiX documentation for more information and examples.

I hope this helps you get started with using CalculiX in Python! Let me know if you have any further questions.