# CP7

Seven-Point Quadrilateral

* Number of Nodes: 7
* Number of DoFs: 2 (Translation, Translation)
* DoF Label: U1, U2
* Integration Scheme: 2nd Order Irons
* Supports Body Force
* Constant Consistent Mass Matrix With Same Order Integration

![encoding](https://4006314410-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MQ5rMqEBbzA9NgGETGX%2Fuploads%2Fgit-blob-d860ca2920df6a0887b664f91b9bc6bdc0380eb8%2FQ7.svg?alt=media)

## Syntax

```
element CP7 (1) (2...8) (9) [10] [11]
# (1) int, unique element tag
# (2...8) int, node tags that define the element
# (9) int, material tag
# [10] double, element thickness, default: 1.0
# [11] bool string, nonlinear geometry switch, default: false
```