Create mass.rst

source/user/manual/model/mass.rst

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+.. _mass:
+
+mass Command
+************
+
+This command is used to set the mass at a node.
+
+.. function:: mass $nodeTag [ndf $massValues]
+
+.. csv-table:: 
+   :header: "Argument", "Type", "Description"
+   :widths: 10, 10, 40
+
+   $nodeTag, |integer|, unique tag identifying node
+   $massValues, |listFloat|, optional **ndf** nodal mass values corresponding to each DOF
+
+
+.. admonition:: Example:
+
+   The following examples demonstrate the commands in a script to add two nodes to domain in which the last model command specified an **ndm** of **2** and a **ndf** of 3. The two nodes to be added have node tags **3** and **4**. Node **3** is located at coordinates (168.0, 144.0) and node **4** at location (168.0,144.0). Node **4** is assigned a mass of (10.0, 10.0, 0.).
+
+   1. **Tcl Code**
+
+   .. code-block:: tcl
+
+      node 3 168.0 0.0
+      node 4 168.0 144.0
+
+      mass 4 10.0 10.0 0.0
+
+   2. **Python Code**
+
+   .. code-block:: python
+
+      node(3, 168.0,  0.0)
+      node(4, 168.0,  144.0)
+
+      mass(4, *[10.0, 10.0, 0.0])
+
+
+Code Developed by: |fmk|