---
type: concept
title: "Abaqus Connector Elements and Behaviors"
complexity: advanced
domain: computational-mechanics
created: 2026-06-01
updated: 2026-06-01
address: c-000110
aliases:
  - Abaqus connector elements
  - Abaqus connector behavior
  - CONN2D2 and CONN3D2
tags:
  - concept
  - finite-element-method
  - abaqus
  - connector-elements
  - nonlinear-analysis
status: current
related:
  - "[[Abaqus-Analysis-User-s-Guide-Volume-IV|Abaqus Analysis User's Guide Volume IV]]"
  - "[[Abaqus-Analysis-User-s-Guide-Volume-V|Abaqus Analysis User's Guide Volume V]]"
  - "[[Abaqus Element Selection and Formulation]]"
  - "[[Abaqus Loads and Predefined Fields]]"
  - "[[Abaqus Prescribed Conditions and Amplitudes]]"
  - "[[Nonlinear Finite Element Analysis]]"
  - "[[Finite Element Contact Formulation]]"
  - "[[Abaqus Progressive Damage and Failure]]"
sources:
  - "[[Abaqus-Analysis-User-s-Guide-Volume-IV|Abaqus Analysis User's Guide Volume IV]]"
  - "[[Abaqus-Analysis-User-s-Guide-Volume-V|Abaqus Analysis User's Guide Volume V]]"
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    md_indices:
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      - 70
      - 69
      - 78
    match: "heuristic-heading-keyword"
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  - source: "[[Abaqus-Analysis-User-s-Guide-Volume-V|Abaqus Analysis User's Guide Volume V]]"
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---

# Abaqus Connector Elements and Behaviors

## Definition

Abaqus connector elements are two-node or node-to-ground elements that impose, release, actuate, or assign behavior to relative motion components between two points.

## How They Work

The connector element topology is simple, but the connection-type library determines which relative translational and rotational components are constrained or available for behavior. Connector behavior can include elasticity, damping, friction, plasticity, damage, stops, locks, failure, actuation, and coupled force-displacement functions.

This makes connectors useful for joints, bushings, hinges, fasteners, linkages, control devices, and idealized mechanisms where a full geometric contact or continuum model would be excessive.

[[Abaqus-Analysis-User-s-Guide-Volume-V|Volume V]] connects connectors to the prescribed-condition layer: connector elements can receive prescribed loads or motions, including actuated behavior controlled by amplitudes or procedure-specific histories.

## Why It Matters

Connectors are compact nonlinear models. They can represent a physical joint with a small number of degrees of freedom, but their local coordinate systems, available components, and behavior laws define the actual mechanics.

## Connections

- [[Nonlinear Finite Element Analysis]] supplies the path-dependent and failure context for connector behavior.
- [[Abaqus Progressive Damage and Failure]] connects to connector damage and failure behavior.
- [[Finite Element Contact Formulation]] is an alternative when interaction geometry, rather than a point-to-point relation, controls the response.
- [[Abaqus Loads and Predefined Fields]] covers connector loads and motions as prescribed conditions.
- [[Abaqus Element Selection and Formulation]] places connector elements beside springs, dashpots, and other discrete element families.

## Sources

- [[Abaqus-Analysis-User-s-Guide-Volume-IV|Abaqus Analysis User's Guide Volume IV]]
- [[Abaqus-Analysis-User-s-Guide-Volume-V|Abaqus Analysis User's Guide Volume V]]