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High Performance
FEA for Windows |
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Turn your ideas into reality with
high performance FEA on your Windows system.
Solutions in seconds
not hours with the fastest direct sparse solver available today.
Reliable results using
advanced hybrid finite elements that are accurate regardless of
element shape or mesh density. |
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Element Features |
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Material
properties include: Temperature and stress dependent isotropic,
orthotropic, anisotropic, and laminated composite material models |
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Robust shell
and solid elements give accurate results even with high skew
angles, large aspect ratios, and when used in a coarse mesh
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Both element
and grid point stresses can be output in any coordinate system
with one simple command |
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Automatic
mid-side edge node option for solid elements |
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Automatic
vertex drill degree of freedom for shell elements |
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Nonlinear
cable and adaptive gap and slide line elements |
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Element Library |
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Tapered beam
Rod, tube, cable, and bar
Quadrilateral and triangular plates
(6DOF/node), membranes, shells,
shear panels
Solids (four, five, and six-sided
up to 20 nodes)
Plane stress, plane strain
Spring and mass
Contact and friction
Rigid general form, rigid rod, rigid
bar,and rigid plate
Interpolation
Conduction
Boundary surface |
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Material Properties
Isotropic
Orthotropic
Anisotropic
Temperature-dependent
Stress-dependent
Von Mises, Tresca, Mohr-Coulomb,
and Drucker-Prager material
nonlinear yield criteria
Loads and Boundary Conditions
Nodal forces and moments
Pressure loads
Gravity and centrifugal loads
Rotational acceleration and velocity
Time and frequency dependent
dynamic loading
Nonlinear loads and follower forces
Single and multipoint constraints
Symmetric. antisymmetric boundary
conditions
Transient boundary conditions
Multiple loading and boundary
condition subcases
Thermal loading and stress recovery
Temperature dependent conductivity
Isotropic and anisotropic thermal
conductivity
Temperature dependent internal heat
generation
Temperature dependent heat transfer
coefficient
Temperature gradient dependent heat
transfer coefficient
Radiation and convection loads
Nonlinear functional forms
Surface normal heat flux
Grid point nodal power |
Solution Features
Model size limited by available disk
space only
Extremely fast sparse direct and
inerative (PCG) equation solver
reduces solution times from hours
to seconds
Fast sparse subspace iterative
eigenvalue solver with optional
Lanczos starting vectors efficiently
handles a wide range of eigenvalue
problems
Automatic mass and stiffness
singularity detection and correction
Decomposition mechanism detection
and correction
Solution error measure for static
solutions, orthogonality loss, and
error norms for eigenvalue solutions
Performance and Control Features
Fully integrated and customizable
Nastran Editor controls program
operation and provides results
summary data through an easy to
use GUI
Uses the most current advances in
finite element technology
Extensive error checking at all stages
of execution
Complete online documentation and
help
Written in fast, optimized 32-vit
Fortran 95 and C/C++
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Output Features
Direct support for FEMAP results import
using either Binary or ASCII FEMAP
neutral file interface
Results import support for other FEA
and CAD applications using the
NASTRAN Output 2 or PATRAN 2.5
neutral file interface
Detailed tabular results output file
Results measures include: energy,
stresses, strains, forces, reactions,
displacements, velocities,
accelerations,
heat fluxes, thermal gradients,
temperatures, enthalpies, grid point
force balance, global stiffness, mass,
and damping matrixes, solution and
mesh error estimates, element and grid
point results
Nonlinear results include: equivalent
stress, effective plastic and
nonlinear
elastic strain, gap and slide line
displacement and forces, contact
stresses
Frequency response results include:
real/imaginary and magnitude/phase
output
Random vibration results include:
power spectral densities,
autocorrelation
functions, and root mean square (RMS)
stresses, strains, and forces,
reactions,
displacements, velocities, and
accelerations
Automatic and user definable measure
sorting for handling multiple load
case
results
Powerful grid and element set generator
for generating sets that can be used
to
control output, define measure
coordinate systems, generate grid
point
temperatures, and define measure sort
commands
Shell and solid element corner stress
and strain output
Grid point weight generator with
complete mass properties
Stress discontinuity/convergence error
calculation
Element and grid point stress, strain,
heat flux, and thermal gradients can
be output in any coordinate system
including: material, grid point,
basic,
and global
Intermediate bar and beam element
output
Composite failure index and strength
ratio output
Automatic generation of structural
temperatures for direct modeler import
or structural analysis
Element and grid point thermal
gradients and heat flux
Heat flow into heat boundary elenments |
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