LUSAS Analyst

A feature-rich engineering analysis system for general use consisting of:

• Advanced high-performance element library including:

• Bars
• Thick + thin beams
• Plane stress/strain continuum
• Axisymmetric solid continuum
• Solid continuum
• Flat thin membranes
• Thick + thin plates
• Flat thick + thin shells
• Axisymmetric membranes
• Axisymmetric thin shells
• Generalised joint/springs/gaps

• Advanced materials including:

• Isotropic, orthotropic, anisotropic, rigidity models, temperature dependency.

• Integrated Windows User Interface
• Integrated DXF and IGES interfaces

For linear static stress, linear buckling, natural frequency and fatigue analysis.

LUSAS Analyst plus

An extended, feature-rich engineering analysis system for more advanced analysis consisting of:

• All the features and elements of LUSAS Analyst
• Extended advanced high-performance element library including:

• Implicit elements - curved bars, curved thick + thin beams, curved thin semiloof shells, curved thick shells, curved solids (high order), axisymmetric solid continuum with non-axisymmetric loading
• Explicit elements - plane stress/strain continuum, solid continuum

• Fast Iterative Solver Technology

For all types of linear static stress, nonlinear, dynamic and thermal analysis problems when used with the appropriate LUSAS Analyst plus option.

Other Software Available

• LUSAS Composite for advanced analysis of all types of laminated and composite components.

Hardware requirements

• Click here for details

LUSAS Analyst plus Options

Nonlinear Analysis

• Large displacement, large rotation and large strain geometric nonlinearities
• Material nonlinearity including plasticity, concrete, damage, crushable foam, rubber, creep, phase change, temperature dependent and user supplied models
• Incremental, iterative (MNR or NR), line search and arc length solution procedures
• Follower forces, centripetal stress stiffening
• Slideline/slidesurface contact algorithms

Dynamic Analysis

• Spectral and Forced Response
• Modal or Rayleigh Damping
• Modal synthesis
• Transient Dynamics (Implicit and Explicit)
• Automatic time step selection
• Nonlinear Dynamics
• Time dependant materials and loading

Thermal Analysis

• Conduction/convection/radiation
• Steady state and transient
• Linear, nonlinear, and temperature dependant material models
• Automatic time steps
• Diffuse radiation using view factors
• Full or semi thermal/mechanical coupling
• Convection and nonlinear radiation boundary conditions

Fast Multifrontal Solvers

• Fast Multifrontal Direct Solver
• Fast Multifrontal Block Lanczos Eigensolver