Added option to make large displacement the default setting for new MES models
Added Ogden and Mooney-Rivlin hyperelastic and viscoelastic material models for membrane elements
Added capability to apply lateral-only hydrostatic loads on shell elements
Added capability to output stress and strain data at midside nodes
Added in-core and out-of-core multifrontal massively parallel solver (MUMPS) for distributed memory systems on Windows clusters
Added out-of-core multifrontal massively parallel solver (MUMPS) for distributed memory systems on Linux clusters
Improved support for large models
Improved messaging to advise when a coarser or tetrahedral mesh can be helpful
Improved support for contact in MES and static stress with nonlinear material models analysis
Improved support for MES models with friction effects
Superview Results Environment
Added beam code checking for MES
Added capability to output and display stress and strain results for midside nodes
Improved handling of load cases when inquiring on results
Improved handling of plastic strain results for MES
Improved support for path plots
Improved display of bending stress in pipe elements
Improved support for background images including TIF files
Improved handling of memory during AVI creation
ALGOR V22.1 - 8/29/2008
Mechanical Event Simulation/Nonlinear Solver
Improved point-to-point contact
Improved support for pressure/traction loads applied to thin shell elements
Improved support for parts with large numbers of nodes and elements
Superview Results Environment
Added capability for full 3-D display of symmetric model results
Improved ability to inquire on distance and angle results when switching time steps
Improved support for inquiring on thickness of composite elements
Improved graphing to update title based on operator for multiple node graphs
ALGOR V22 - 7/16/2008
Mechanical Event Simulation/Nonlinear Solver
Added capability to include friction in slide/no bounce contact
Added damage material model for 2-D elements
Added capability to define distributed loads on nonlinear beams
Added capability to define beam offsets
Added multifrontal massively parallel solver (MUMPS) for distributed memory systems
Added capability to output reaction forces for nodes with constraints
Improved geometric smoothing of 3-D contact surfaces for improved convergence
Improved calculation of contact stiffness for improved recognition of contact events
Improved convergence speed for contact analyses as well as frictionless analyses
Improved support for actuator elements in 2-D analyses
Improved definition of beam cross sections by allowing for more detail
Improved handling of beam nodal temperatures
Improved warning messages for distorted elements
Improved handling of units for Yeoh material curve fitting
Improved display of analysis parameters for Riks analysis
Improved handling of fracture analysis
Improved capability to stop and restart analyses
Superview Results Environment
Added capability to inquire on results by XYZ location
Improved support for large models (full 64-bit support)
Improved support for result probes
Improved capability to smooth results of plate elements
Improved graphing capability
Improved speed of changing the display from one result type to another
ALGOR V21.1 SP1 - 3/31/2008
Mechanical Event Simulation/Nonlinear Solver
Improved user-specified contact stiffness
Improved import of static nonlinear load curves
Superview Results Environment
Improved graphing
Improved handling of volume-based results and custom calculations
Improved support for lumped masses
ALGOR V21.1 - 2/29/2008
Mechanical Event Simulation/Nonlinear Solver
Added industry-standard eigensolver (BCSLIB-EXT)
Added Ogden and Mooney-Rivlin hyperelastic and viscoelastic material models for shell elements
Added capability for geometric smoothing of 2-D contact surfaces for improved convergence
Added capability to restart from user-defined time step
Added capability to specify large displacement as default
Added prescribed displacements for nonlinear static analyses
Improved consistency of beam orientation
Improved handling of 2-D pressures
Improved results-based loads
Superview Results Environment
Added capability to display results for additional load combinations
Added ability to view plasticity results for shell elements
Improved speed when opening results (default and custom)
Improved graphing
Improved handling of weld contact with display option in model tree
Improved handling of load combinations
ALGOR V21 SP1 - 1/18/2008
Mechanical Event Simulation/Nonlinear Solver
Improved handling of default parameter values for small and large displacement
ALGOR V21 - 11/26/2007
Mechanical Event Simulation/Nonlinear Solver
Added support for fracture mechanics
Added Duncan-Chang material model for soils
Added support for automated nonlinear analysis settings
Added support for beam elements in the stress update integration scheme for elasto-plastic material models
Added industry-standard sparse solver on 32- and 64-bit Linux
Added capability to specify virtual memory for BCSLIB-EXT sparse solver
Improved handling of large models
Improved handling of original shell orientation
Improved analysis parameters
Improved notification of reaction force output
Superview Results Environment
Added capability for full 3-D display of 2-D axisymmetric and planar model results (using rotation or thickness values)
Added capability to control the number of significant digits displayed by a probe
Added capability to control transparency of impact planes and slicing planes
Added capability to append text results to an existing file
Added capability to plot displacements as vectors
Improved support for non-English regional settings
Improved messaging for when results differ from the current preprocessing model
Improved visualization of slice planes
Improved smoothness of results display across plate elements
Improved rendering speed by improving beam visualization
Improved appearance of legend box
ALGOR V20.3 SP1 - 8/14/2007
Mechanical Event Simulation/Nonlinear Solver
Improved calculation of mass density for reinforced concrete
ALGOR V20.3 - 7/31/2007
Mechanical Event Simulation/Nonlinear Solver
Added nonlinear material models:
Viscoelastic Neo-Hookean
Hyperelastic Neo-Hookean
Viscoelastic Yeoh
Hyperelastic Yeoh
Viscoelastic Van der Waals
Hyperelastic Van der Waals
Garafalo Creep (Hyperbolic Sine Creep)
Improved contact capability
Superview Results Environment
Improved speed of opening a model
Improved graphing capability
Improved capability for inquiring on results to include only unhidden parts
Improved capability for inquiring on lumped masses
ALGOR V20.2 - 6/8/2007
Mechanical Event Simulation/Nonlinear Solver
Added implicit (alpha method) time-hardening thermal creep material model
Improved support for large rotation of beams
Improved support for results-based load curves
Superview Results Environment
Improved speed of opening models, viewing load cases or time steps and creating animation files (AVIs)
Improved handling of results-based load curves
Improved handling of legacy files
Improved beam visualization
Improved support for exporting a 2-D model to a FEM file
ALGOR V20.1 - 4/27/2007
Mechanical Event Simulation/Nonlinear Solver
Improved handling of thermal stiffness softening/hardening in the thermoplastic material models
Superview Results Environment
Added capability to calculate and display the air pressure at any location in cavity compression analysis (e.g., pistons)
ALGOR V20 - 3/27/2007
Mechanical Event Simulation/Nonlinear Solver
Added support for 64-bit HP Itanium HP-UX
Added reinforced (rebar) concrete element and material model
Added support for zero-length gap elements
Added capability to display stress and strain results for beams
Added capability to define results-based load curves
Improved support for general beam cross sections
Improved support for elasto-plasto nonlinear material models (Total Lagrangian) for better convergence
Improved convergence for highly compressed elements
Superview Results Environment
Added optional high-speed wireframe rotation
Added bi-color and tri-color contour scheme
Added capability to use element length as a result type and in custom calculations
Improved graphing capability with respect to hidden parts and averaging between parts
Improved speed of selecting parts in the tree view
ALGOR V19.3 SP2 - 1/26/2007
Mechanical Event Simulation/Nonlinear Solver
Improved calculation of the state of plasticity for 2-D and brick elements
ALGOR V19.3 SP1 - 12/15/2006
Mechanical Event Simulation/Nonlinear Solver
Improved robustness of composite maximum strain failure
ALGOR V19.3 - 9/7/2006
Material Library Manager
Improved support for nonlinear material models
Mechanical Event Simulation/Nonlinear Solver
Added capability to print strain and stress results for beams
Improved memory usage for large models
Improved setup for surface-to-surface contact involving many surfaces
Superview Results Environment
Improved load case combination utility
ALGOR V19.2 - 6/30/2006
Mechanical Event Simulation/Nonlinear Solver
Added faster, industry-standard sparse solver
Added distributed memory processing for 32- and 64-bit Linux (Red Hat)
Added slide/no bounce contact for more accurate simulation and faster convergence for applications where relative sliding is negligible such as a press-fit process
Added tied contact (functions like bonded contact even if nodes are not matched)
Added new thin shell element formulation with bilinear von Mises material model
Added anisotropic temperature-dependent general piezoelectric material models
Superview IV Results Environment
Added capability to display the results of user-supplied functions operating on calculated results, user-supplied constraints and material properties
Added additional color contour options
Added options for surface-based selection and display
Improved inquiry functionality
ALGOR V19.1 - 4/3/2006
Mechanical Event Simulation/Nonlinear Solver
Added gasket material model and element (2- and 3-D, geometrically linear and nonlinear)
Improved surface-to-surface contact
Improved support for shell, hydrodynamic and kinematic elements
Superview IV Results Environment
Added capability to display stresses calculated from average stress tensors
Added capability to display pipe element stresses from an MES or nonlinear analysis
Added beam offset visualization
Improved capability to save and restore animation settings
ALGOR V19 - 1/16/2006
Mechanical Event Simulation/Nonlinear Solver
Added 64-bit Windows support
Added support for all material models and element types in nonlinear modal analysis
Improved support for hydrostatic pressure loads on shell elements
Superview IV Results Environment
Added 2-D stress linearization utility (including axisymmetric models) for evaluating a design's compliance
with industry standards such as the ASME Boiler and Pressure Vessel Code (BPVC)
Added non-time-dependent graphs
Added export capability to OpenHSF
Improved 3-D beam visualization including making it the default
