Software Specification

LUSAS Civil & Structural LT

A structural analysis system for linear static stress analysis of structural frames and grillages.

Analysis capabilities:

• Linear static stress analysis

Improve solution speed and with this purchased option:

• Fast solvers

And when used with these purchased LUSAS Civil & Structural software options also allows:

• Steel frame design
• RC frame design

See below for more details.

Comprises:

• Basic element library

• 2D Grillage
• 2D and 3D Structural Bars
• 2D and 3D Engineering Thick beams

• Material models

• Isotropic materials

• Integrated Windows user interface for Vista, 7, 8, 8.1, 10

• Single model and results viewing window
• Supplied startup templates
• User-defined start-up templates
• Working and page layout modes
• Dynamic model rotation, pan, zoom and isometric viewing

Geometry

• Point and line geometry creation facilities
• Point and line measurement facilities
• Group facility
• Associative geometry / assigned attributes
• Multi-level undo / redo

Attributes

• Line mesh creation
• Standard steel section libraries for selected countries
• User-defined line geometric properties
• Tapered beam sections
• Fleshing of members
• Isotropic material libraries
• User-defined isotropic materials
• Structural supports including free, fixed and spring
• Structural loadings including concentrated, body force, global and local distributed, temperature, internal beam point and distributed loading, prescribed displacement loading, discrete point and patch loading
• Local coordinate facility

Utilities

• Annotation facility
• Drag and drop assignment of attributes
• Transformation facilities including translate, mirror, scale, rotate etc
• Loadcase creation
• Results envelopes
• Basic and Smart load combinations
• Graph wizard with automatic updating
• Animation of deformed shape
• Print Results Wizard
• Section library management
• Standard section property calculator
• One-click report facility
• Report generation with automatic updating
• Saved views
• Fast solving capability

Civil & Structural specific features

• None in this version

Result viewing

• Viewing of results for all or selected parts of model

• Deformed mesh plots

• Contours of displacements, moments or forces using line contours or colour fill on fleshed or unfleshed members

• Bending moment and force diagrams for beam elements with optional peak values displayed

• Beam stresses at beam fibre locations

• Peak results value display

• Stress vector plots

• Graph plotting with export to standard spreadsheet packages
• Animate deformed shape
• Results window summaries
• Copy and paste of results plots to other applications
• Printing and plotting of results for all or selected parts of model

LUSAS Civil & Structural LT software options

Available for purchase to Improve solution speed:

Fast Solvers

• Fast Multifrontal Direct Solver
• Fast Multifrontal Block Lanczos Eigensolver
• Complex Eigensolver
• Fast Parallel Direct Solver
• Fast Parallel Iterative Solver

Available for purchase to increase the analysis and design capabilities of LUSAS Civil & Structural LT:

Steel Frame Design

• Design code-based results visualised as Utilisation ratios on members
• Design summary results produced for selected members and loadcases
• Generate formatted design reports, showing calculations made and referencing clauses and equations from chosen code.

RC Frame Design

• Design checking of regular and arbitrary shaped reinforced concrete members subject to bending and axial force.
• Design code-based results visualised as Utilisation ratios on members
• Produce a tabular summary of results for selected members and loadcases, view detailed results and generate interation diagrams.

LUSAS Civil & Structural LT upgrade options

• LUSAS Civil & Structural - for linear static stress analysis, linear buckling, natural frequency analysis, linear dynamics including forced response, Interactive Modal Dynamics, and fatigue analysis.
• LUSAS Civil & Structural plus - for nonlinear, dynamic and field/thermal analysis problems