LUSAS Civil & Structural

A feature-rich, structural analysis system for all types of general analysis with beam, shell, solid and joint elements.

Analysis capabilities

• Linear static stress analysis
• Linear buckling
• Natural frequency analysis
• Linear dynamics including forced response
• Interactive Model Dynamics
• Fatigue analysis
• Advanced Interactive Modal Dynamics analysis*
• Vehicle load optimisation*
• Fast Solving capability*

* when used with the appropriate LUSAS Civil & Structural option(s)

Comprises:

• All modelling, elements and analysis capabilities included in LUSAS Civil & Structural LT:

• Point and line geometry creation
• Line mesh creation
• Structural supports including free, fixed and spring
• Structural loadings
• Standard steel section libraries for selected countries
• User-defined engineering beam properties
• Standard section property calculator
• Grillage wizard
• Vehicle loading for selected countries
• Moving vehicle load facility
• Prestress / Post-tensioning capability
• Basic and Smart load combinations
• Contour, diagram, value, vector, deformed mesh results
• Graph wizard
• Animation wizard
• Report Writer

And in addition:

• General 

• CAD import / export facility
• Picture saving to BMP, JPG, WMF formats
• Selection memory facility
• Browse and cycle selections
• Multiple Treeframe capability
• Multiple windows
• LPI command bar

• Geometry creation

• Point. line, surface and volume geometry creation
• Point, line, surface, and volume mesh creation
• Merge geometry facility
• Shape wizard
• Boolean geometry creation
• Slice through geometry
• Extended geometry construction options including splines, tangents, sweeping, intersecting, manifolding, merging etc.

• Attributes

•  
• Composite layup definitions
• Slidelines
• Constraint equations
• Thermal surfaces
• Retained freedoms
• Damping
• Birth and death facility for staged construction
• Influence facility
• Search areas
• Age facility
• Beam recovery
• Design strength plotting facility
• Joints

• Utilities

• Mesh lock facility
• Transformation datasets
• Variations
• Fatigue
• Interactive Modal Dynamics
• Design factor plotting
• Fourier analysis
• Background meshing grid facility
• Slice sections in 3D
• Automatic arbitrary section property calculator
• Precast concrete sections for selected countries

• Result processing

• Country-specific loading combinations wizards
• Vehicle load optimisation interface
• Single and Multi tendon prestress / post-tensioning wizard
• RC slab / wall design wizard

• Advanced high-performance element library including:

• Bars
• Thick and thin beams
• Grillage
• Plane stress/strain continuum
• Axisymmetric solid continuum
• Solid continuum
• Plate flexure (thick + thin)
• Ribbed plates
• Flat thin membranes
• Flat thick + thin shells
• Axisymmetric membranes
• Axisymmetric thin shells
• Generalised joints/springs/gaps

• Advanced material models including:

• Isotropic including plastic, creep, damage, shrinkage, viscous, two-phase
• Orthotropic including plastic, creep, damage, shrinkage, viscous, two-phase
• Anisotropic and rigidity models
• Temperature dependency

• Specialised material models including:

• CEB-FIP Model code 1990
• Chinese creep
• User-defined models
• and others

LUSAS Civil & Structural software options

The finite element analysis capabilities of LUSAS Civil & Structural can be enhanced by using any of the following product options:-

Vehicle Load Optimisation (Autoloader)

• Rapidly reduces load assessment times
• Extends vehicle loading capabilities of LUSAS Bridge
• Simplifies worst load case evaluation

Fast Multifrontal Solvers

• Fast Multifrontal Direct Solver
• Fast Multifrontal Block Lanczos Eigensolver

IMD Plus Analysis

• Multiple event assessment
• Linear dynamics effects

LUSAS Civil & Structural upgrade options

• LUSAS Civil & Structural plus - for nonlinear, dynamic and field/thermal analysis problems