add test dem

Author: tomvanmele

content/compas_dem_stack.ipynb

@@ -0,0 +1,110 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# %%capture\n",
+    "# %pip install jsonschema networkx numpy scipy pythreejs\n",
+    "# %pip install compas>=2.8 --no-deps\n",
+    "# %pip install compas_notebook>=0.8.2 --no-deps\n",
+    "# %pip install compas_model --no-deps\n",
+    "# %pip install compas_dem --no-deps"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Discrete Element Models\n",
+    "\n",
+    "`compas_dem` is a COMPAS package for working with Discrete Element Models, for example for the design of \"modern masonry\" constructions, or for the assessment of historic masonry structures.\n",
+    "\n",
+    "The repository of `compas_dem` is available [here](https://github.com/BlockResearchGroup/compas_dem) and the documentation [here](https://blockresearchgroup.github.io/compas_model/).\n",
+    "\n",
+    "In this notebook, we provide a few simple examples that can be run directly in your browser, without the need for any installation. "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## A Simple Stack"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "To create a stack of blocks with `compas_dem`, we will create a simple box geometry, and then add multiple block elements based with this geometry to a block model."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "To make things a bit more interesting, we will create a leaning stack, by moving each block in the X direction."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from compas.geometry import Box, Translation\n",
+    "from compas_dem.elements import BlockElement\n",
+    "from compas_dem.models import BlockModel\n",
+    "\n",
+    "box = Box(xsize=1, ysize=1, zsize=1)\n",
+    "\n",
+    "model = BlockModel()\n",
+    "\n",
+    "for i in range(10):\n",
+    "    T = Translation.from_vector([i * 0.01, 0, i * box.zsize])\n",
+    "\n",
+    "    block = BlockElement.from_box(box, transformation=T)\n",
+    "    model.add_element(block)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Then we compute the contact interfaces between the blocks and identify the supports."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "model.compute_contacts()"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "masonry",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.10.14"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}