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ADINA FEA has a comprehensive range of Beam, Truss (Cable), Rebar, Bolt and Pipe element capabilities. The geometry and meshing for these elements is via the ADINA User Interface and Mesh Generation capabilities

 

Here will look at some of the more technical aspects of these elements.

Tel: +44 (0)121 703 9236 or e-mail: info@pdslimited.com

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Some of the capabilities that can be used with ADINA’s Beam elements include:

 

Beam Sections

· Rectangular

· Pipe / Bar

· Box

· I / H section

· U section

· L section

· General section

 

Beam Options

· Rigid End (infinitely rigid or user-supplied rigidity)

· Shear Area Factors

· Offsets from beam centres

· Warping Beam Elements

· Nonlinear Moment-Curvature material input

· Bolt Elements

 

Rebar Element

· Embedded rebars available

· Automatic rebar generation for 2D (axisymmetric and planar) and 3D models

· Curved Tendon profiles easily modelled.

 

Bolt Elements

· Bolt Tensioning

· Bolt Shrinkage

· Loading applied at any time

· Each bolt can be loaded at different times through bolt tightening tables

· Bolt loading can be changed from Tensioning to Shrinkage within an analysis

· Bolt element can be modelled to include frictional contact conditions

 

Linear Analysis

· Statics

· Transient implicit

· Transient explicit

· Frequency

· Mode superposition

· Cyclic symmetry

· Substructuring

 

Nonlinear Analysis

· Material nonlinearity

· Large deformations

· Large strains

· Statics

· Transient implicit

· Transient explicit

· Contact

· Frequency with contact

· Substructuring 

· Restart, mapping solution

· Element birth/death

· Rupture

· Initial strains/stresses

· Automatic time stepping

· Line search

· BFGS

· Total Load Application (TLA, TLA-S)

· Load-displacement control (LDC)

· Low speed dynamics

· Automatic stabilization

· User-supplied elements

· User-supplied loads

· Restart between implicit/explicit analysis

· Bolt sequencing

 

Body-to-Body Contact Mechanics

· Self-contact

· Double-sided contact

· Node to surface

· Node to node

· Tied contact

· Rigid targets

· Post-impact corrections

· Contact damping

 

Frequency Domain Analysis

· Response spectrum

· Fourier analysis

· Harmonic vibration 

· Random vibration

· Lanczos

· Subspace

 

Material Models (including Thermal options)

· Elastic

- Isotropic  

- Orthotropic

· Nonlinear

- Plastic

- Bilinear

- Multilinear

- Mroz Bilinear

- Cyclic plasticity

- Orthotropic

- Ilyushin

- Gurson

· Creep

- Thermo-elastic

- Irradiation

- Thermo-plastic

- Multilinear-plastic

- Isotropic

· Shape Memory Alloy

· Moment-curvature

· Strain-rate dependency

· User-coded materials

 

Material Models for Truss (Cable & Rebar) Element

· Elastic-Isotropic

· nonlinear-elastic

· plastic-bilinear

· plastic-multilinear

· thermo-isotropic

· thermo-plastic

· Creep

· plastic-creep

· multilinear-plastic-creep

· creep-variable

· plastic-creep-variable

· multilinear-plastic-creep-variable

· Viscoelastic

· shape-memory alloy

 

Buckling and Post-buckling Analysis

· Linearized buckling

· Geometric imperfection

· Collapse (nonlinear) analysis

 

General

· Dissimilar mesh gluing

· Constraint equations

· Rigid links

· Embedded rebars in 2D/3D solids

· Analysis zooming

· Solution diagnostics and monitoring