Features

There is a wide range of modeling and analysis options currently available in CEO, and we are constantly working on expanding its capabilities. Please contact us if you would like to see any new feature available.

Modeling Features

Materials

Uniaxial Elastic 

• Elastic
• Elastic No Tension (ENT)

Uniaxial Hysteretic 

• Elastic-Perfectly-Plastic (EPP)
• Elastic-Perfectly-Plastic Gap Material (EPP Gap)
• Hardening
• Hysteretic
• Pinching4
• SAWS

Uniaxial Concrete 

• Concrete0
• Concrete01
• Concrete02
• ConcreteCM

Uniaxial Steel 

• Steel02
• SteelMPF

Uniaxial Combined 

• Parallel
• Series

​Uniaxial Wrapper 

• MinMax

2D Reinforced Concrete 

• Fixed-Strut-Angle Model (FSAM)
• PlaneStressUserMaterial

Elements
​
Point (zero-length) Elements

• Support spring
• Connection spring
• Base isolator

Line Elements

• Truss
• BRB
• Elastic beam-column
  • Bernoulli 
  • Timoshenko
• Fiber-based beam-column
  • Displacement-based
  • Force-based
  • Fiber sections
  • Section aggregator

Area Elements

• Elastic shell-plate
• Layered shell
• MVLEM-3D
• SFI-MVLEM-3D
• quadRC-3D (nonlinear RC)

Analysis Types

Gravity
Static Pushover

• Displacement-controlled 
• Force-controlled 

Modal
Dynamic

• Single core
• Multi core (will be implemented in the next release)