=====
Truss
=====

The ``Truss`` element models axial members with only axial stiffness and
no bending resistance, suitable for pin-jointed truss structures.

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Overview
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Element type: ``Truss``

Supports:
- Axial-only stiffness
- Pin-jointed structures and Riks analysis examples

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Parameters
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Mandatory Parameters
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   * - Parameter
     - Description
   * - ``type``
     - Must be set to ``"Truss"``
   * - ``material``
     - Material block with axial properties (e.g., ``E``, area via section or mesh).

Optional Parameters
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   * - Parameter
     - Description
   * - ``section``
     - Optional section/area definition.

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Examples
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Representative example using ``Truss``:
- ``examples/ch04/ShallowtrussRiks.pro``