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  ATENA Engineering 3D
Version 4.2.7g - June 2011


Description

ATENA is a state-of-the-art software package for advanced static and dynamic analysis of concrete and reinforced concrete structures. It can simulate the real behavior of the structure, including effects such as concrete cracking, crushing and reinforcement yielding. It gives engineers the power to check and verify their structures in a user friendly and unique graphical environment. With over 400 installations worldwide, ATENA is the successful successor to the established finite element software SBETA. ATENA is developed by Červenka Consulting, Ltd. (www.cervenka.cz).

Features

  • Finite Elements
    • 2D isoparametric elements, quadrilateral, triangular. Axisymmetrical elements.
    • 3D solid elements : tetrahedron, brick, wedge.
    • Truss elements for reinforcement.
    • Spring supports.
    • External cable elements.
    • Interface, gap.
  • Material models
    • 3D fracture-plastic concrete model based on Menetrey-Willam law : smeared cracks, fracture-energy based softening, Compression Field Theory aggregate interlock in shear, non-associated plasticity, user defined functions, variable parameters.
    • Reinforcement bi-linear and multi-linear. Reinforcement with bond.
    • Von-Mises plasticity for metals.
    • Drucker-Prager plasticity with associated / non-associated flow rule for rock and soil.
    • Bazant M4 microplane concrete.
    • Reinforcement cyclic.
    • Interface with Mohr-Coulomb material law.
    • Isotropic elastic.
    • Non-linear springs.
  • Loading
    • Load cases : body forces, loading forces, supports, prescribed deformations, temperature, shrinkage, prestressing.
    • Load steps : combination of load cases, solution methods.
    • Arbitrary load history in steps, non-proportional, cyclic.
    • Construction process.
  • Solution methods
    • Direct and sparse solver of equations.
    • Newton-Raphson and modified Newton-Raphson.
    • Arc-length. Line-search.
    • Tangential and elastic stiffness predictors.
  • Graphical user interface
    • 3D GUI. Graphical user interface : pre-processing (geometrical modeling, reinforcement (bars, smeared), copy and move, automatic meshing, material properties, loading and supports, solution methods, monitoring), solution direct or sparse iterative, graphical monitoring, restart), post-processing (iso-lines, iso-areas, rendering, vectors, tensors, cracks, response diagrams, cuts/sections, user-defined numerical output).
Minimum hardware requirements
  •  MS Windows XP SP2/W7/Vista SP1/2000 SP4 Rollup 1, 512 MB RAM memory (1GB for W7 and Vista) and 40 GB HDD, graphics resolution 1024x768.
Recommended hardware requirements
  •  MS Windows XP/Vista/7, 4GB RAM memory, 500 GB hard disk, graphics card with resolution of 1280x1024 and OpenGL 3D-acceleration, designed for CAD (e.g. nVidia Quadro, ATI FireGL/FirePro).
Comparison between ATENA versions

  Module  Eng. 2D Eng. 3D Science Full
           
1. Finite elements        
1.1 2D basic elements
1.2 Axisymmetrical elements
1.3 3D basic elements  
1.4 2D higher order elements    
1.5 Higher order Axisym. elements    
1.6 3D higher order elements  
1.7 Shell high order element  
1.8 3D beam high order element    
1.8 2D interface element
1.9 3D interface element  
1.10 2D external cable element
1.11 3D external cable element  
1.12 Bond element for bars
           
2. Material models        
2.1 2D basic materials
2.2 3D basic materials
2.3 3D variable material
2.4 3D user material
2.5 Bazant M4 microplane mat.
2.6 Drucker-Prager material
2.7 Reinforcement material
2.8 Reinforcement cyclic material
2.9 Interface material
2.10 Bond for reinforcement
2.11 Temperature dependent (fire)    
           
3. Solution methods        
3.1 Direct Gauss LU elimination
3.2 Sparse iterative solution  
3.3 Eigenvalue solution    
           
4. Analysis types        
4.1 Static
4.2 Dynamic    
4.3 Transport (heat conduction)    
4.4 Creep and shrinkage    
4.5 Construction process  
           
5. Graphical user interface        
5.1 ATENA 2D GUI  
5.2 ATENA 3D GUI    
5.4 AtenaWin GUI
5.5 Mesh generator
5.4 ATENA-GiD Interface scripts    
5.5 GiD Pre/postprocessor    

Restrictions of the demo version
  • ATENA2D
    • maximum of 100 shell elements
    • not storing data
  • ATENA3D
    • maximum of 300 solid elements
    • maximum of 50 shell elements
    • not storing data
    • loading analysis results not supported
    • loading external INP file not supported
  • ATENAWin
    • maximum of 300 solid elements
    • maximum of 50 shell elements

See also

Remarks
  • Special discount price is offered for multiple licenses.
  • 50% discount price is offered for academic licenses.
  • ATENA Engineering 3D includes the 2D module.
ΑΤΕΝΑ Full Demo 4.2.7g
ΑΤΕΝΑ 4.2.7g Upgrade (30/5/11)
 
Technical specifications
 
ATENA Theory
ATENA Input file format
 
ATENA Eng - 3D User Manual
ATENA Eng - 3D Tutorial
ATENA Eng - Example Manual
 
GiD - Reference Manual
GiD - Customization Manual
GiD - User Manual

Main window

Shear beam model

Prestressed beam

Jacketed column (*)

Reinforced slab (*)

Jacketed column reinforcement (*)

Flat slab

Pile cap (*)

(*) Courtesy of Lab of R/C and Masonry Structures, Dept. of Civil Eng., AUTh.

 

8000.00 €

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