11.2. 2D Lines

This section contains shape functions for line elements without and with rotational degrees of freedom (RDOF).

Figure 11.1: 2D Line Element

2D Line Element

11.2.1. 2D Lines Without RDOF

These shape functions are for 2D line elements without RDOF.

(11–1)

(11–2)

(11–3)

11.2.2. 2D Lines With RDOF

These shape functions are for 2D line elements with RDOF.

(11–4)

(11–5)