General Information
Summary of
LUSAS modelling and results processing
features
Last updated: 09 March 2023
The following summarises the modelling
and results processing features present in the range of LUSAS finite
element software products and additional software options at version
17.0
Note: For detailed information relating
to each LUSAS software product click here
User Interface
- Full Native Windows 2000/Vista/
7/ 8 implementation.
- User
configuration utility for licensing and specifying primary
software defaults
- User-defined
startup templates
- Treeview-based viewing of model data
- Separate viewable layers for mesh,
geometry, attribute, annotation and utility data.
- Multiple model windows, and optional text output window and command line
- Multiple analysis capability within
one model
- On-the-fly input, conversion and
reporting of modelling units
- Specification of timescale units
- On/off display control of model
layers
- Display interrupt facility
- Map keyboard modifiers for cursor
and area selection (to mimic CAD modelling systems)
- Wide variety of feature/object
selection cursors
- Dialogs, file selection boxes, toggle buttons
- Datatips shown when hovering over features
- Evaluation of expressions during data input
- Open Interface to ActiveX compliant Windows software such as MS Excel, Word, Access etc.
- Hardware/software
OPENGL displays
- Cut and paste of graphical and text data
- Automated error reporting
- Online help
- Fully associative feature modelling - based on CAD type data structure
- Full range of modelling units
- Boolean geometry operations
- Fleshing of geometric attributes
- Definition
of tapered arbitrary cross-sections
- Definition of multiple varying
sections based upon a distance along a line or path of lines
- Reference path facility
- Definition
of extreme beam fibre locations for viewing of results
- Analytical Shape wizard
- Generation of points, lines, surfaces, and volumes in Cartesian, cylindrical or spherical
coordinate systems
- Automatic generation of surface and line intersections
- Feature manipulation with copy, mirror and translate commands
- Accurate arc definition
- Multi-level undo/redo facility
- Options for manifolding, filleting and splitting
- Section
property calculator for standard, arbitrary and pre-cast sections
- Standard
steel section libraries for UK, USA, EU, China and many other countries /
regions
- Isoparametric meshing in 2D and 3D
- Automatic irregular meshing in 2D
- Extruded irregular meshing in 3D
- Adaptive meshing
- Mesh interrupt facility
- Mesh-only modelling capability
- Fine control over activation /
deactivation of elements
- Creation and visualisation of
varying attributes over features
- Drag and drop assignment of
attributes to model selectively, or to all relevant features
- Assignment of load attribute to one,
all, or a range of loadcases
- Attribute/Utility data transfer
between models
- Vary attributes over features using
variations facility
- Generation of geometric properties,
material properties, boundary conditions
- Automatic support stiffness
distribution
- Automatic constraint equation
generation
- Generation of wide range of load
types
- Definition of load case titles for
ease of results interpretation
- Feature based slideline and thermal
surface generation and visualisation
- Automatic generation of data input
for all analysis types
- Gravity loading applied on a feature
or loadcase or model basis
- Simple, lift-off and contacting
supports
- User-defined feature, node and
element numbering
- Specification of rigid zones for
building modelling
Material
models
- Hidden line removal
- Display of element numbers, node
numbers, material type, boundary conditions and load data
- Exploded element views
- Colour fill options
- Interactive rotation and
transformation options to enable viewing of model from any angle
or eye position
- Pre-defined primary views and
isometric view
- Selective element viewing by element
type, area, geometry type, material type or feature
- Pan, zoom and windowing options
- 3-plane
drawing grid
- Multiple graphic windows providing
an unlimited number of views of a model
- Group facility
- Full plot annotation
- Animation over multiple model load
cases
- Working and Page layout views
- Saved views option
File Handling
- Fine control over folder storage of
models and associated data files on disk
- Command file input
- Scripting language support for
application customisation
- Session file logging
- PATRAN, IDEAS, FEMVIEW, FAM and STEP
interfaces
- IGES import and DXF import and
export
- LMS interface
- PontiEC4 (design checking software)
import and export
- Import
mesh data from Abaqus input files, Ansys cdb files, and
Nastran bulk data files
- Import of basic data from supported
third-party model data input files
- Extensive user interfaces
- Picture file option for hardcopy
output
- Print directly to Windows printers
- Comprehensive results processing
from multiple analysis runs
- Automated management of results
files
- Numerous results transformation
options
- Processing of averaged or element
nodal and Gauss point stresses, strain results
- Strain energy, plastic work, rubber
stretches and user defined state variables
- Internal results calculator
- Automatic calculation of moments and
forces from solids elements
- Basic and Smart load combination
facilities
- Expandable basic combinations
(create individual factored loadcases from a combination)
- Enveloping with option for different
factors for positive and negative effects
- Absiolute maximum / minimum /
extreme envelopes
- Reinforcement calculation (Wood
Armer) for plates and shell elements with option to minimise
reinforcement areas
- Interactive modal dynamics (modal
superposition) for
frequency and time domain solutions
- Interactive spectral response
analysis
- Fatigue response calculation
- Window based views allow different
results in different windows
- Deformed mesh plots
- Separate viewable layers for
diagram, contour, vector and discrete data.
- Animation over multiple load
cases/load steps/time steps with AVI output.
- Support for local or global
directions for results display
- Contours of displacements,
potentials, moments or forces using line or colour fill
- Contouring
of joint results
- Plotting of crack width contours and
values for concrete models
- 2D/3D stress and displacement
vectors
- Bending moment and force diagrams
for beam elements with optional peak values displayed
- Annotation
facility
- 3D slice facility with optional
contour display
- Slice
section results for 3D beams and shells
- 2D line sections
- Comprehensive graph plotting
facility with export to standard spreadsheet packages
- Display of cracked and yielded Gauss
points
- Peak results value display
- Printing and viewing of numerical
result values for selected areas and groups in a model
- Full results summary
- High
resolution BMP, JPG or WMF output
- Automatic time history plotting
- User-defined results calculation
facility
- Visualisation of slideline/slidesurface
forces in global or local directions
- Visualisation of slice section
results locations
- Construction table (Camber, Displacement History, and Incremental
Displacement) results facility
- Feature-based results
- Steel frame design checking to
supported codes of practice
Reporting facilities
- One-click reports for selected steel
design members
- User-defined main report generation
with auto-updating of report data if model changes
Product related facilities
- Available in LT, Standard and Plus
versions
- Grillage wizard
- Library of precast sections -
numerous design codes supported
- Section
property calculator for single and multi-cell box sections
- Country-specific static vehicle loading
libraries - numerous design codes supported
- Moving load generator
- Vehicle Load Optimisation option using
reciprocal and direct influence methods
- Cable tuning analysis for linear
structures
- Single and Multi-tendon prestress wizards
- numerous design codes supported
- Pre-defined load combinations for
selected design codes
- RC slab designer for ULS and SLS
checks to supported codes
- Export force and moment data to
PontiEC4 (design checking software)
- Crack width calculation to supported
codes
- Steel Frame Design checking option to
supported codes of practice
- RC Frame Design checking option to
supported codes of practice
- Steel Composite Bridge Design option
to
supported codes of practice
- Available in LT, Standard and Plus
versions
- Library of precast sections -
numerous design codes supported
- Section
property calculator for single and multi-cell box sections
- Cable tuning analysis for linear
structures
- Prestress / post-tensioning ti
supported design codes
- RC slab designer for ULS and SLS
checks - numerous design codes supported
- Crack width calculation to supported
codes
- Steel Frame Design checking option to
supported codes of practice
- RC Frame Design checking option to
supported codes of practice
- Available as a Plus version only
- Composite material libaries
- Tsai-Hill, Hoffman, Tsai-Wu (with
Cowin extension), and Hashin (fibre and matrix) composite failure
modelling
- Visualisation of fibre direction and skew
angles
- Available in Standard and Plus
versions
- Adaptive meshing in 2D for continuum
elements
- Design factor plotting
- Allows running of any LUSAS product
with most product options
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