NEi Software Nastran Finite Element Analysis

Nastran Finite Element Analysis and Simulation Software

Youtube
United States United States | International  

Login | Contact Us | New to FEA? | Demo 


Loading

Home > Products > NEi Works > Technical Capabilities


NEi Works Capabilities

checkModel Geometry Access

  • Part geometry data is accessed directly through SolidWorks API
  • Data accessed for finite element mesh generation and application of loads and boundary conditions
  • Supports SolidWorks type surfaces, such as mid-surfaces and sheet metal
  • Supports assembly analysis

checkMeshing

  • Global and local controls applied to part geometry with default sizing
  • Mesh control on arbitrary user defined regions
  • Sketch line or curve meshing
  • Free surface meshing: quads or triangles
  • Continuous shell (quad or tri) meshing
  • Auto mesh, loads and constraints update with geometry changes
  • Mesher status window and progress bar
  • Display/hide shell element normals
  • Reverse normals for shell elements
  • Mesh validation checks - distortion, Jacobian, and skew
  • Display/hide beam element orientation
  • Display/hide beam element and shell element cross section
  • 1D element cross section property definition
  • Combined Shell (2D) and Beam (1D) meshing

Lens Assembly analyzed with NEi Works

checkAssembly Connectors

  • True surface contact
  • Automatic contact
  • Thermal contact resistance

checkLoads and Boundary Conditions*

  • Uniform pressure and force on faces, edges and vertices
  • Directional pressure and force
  • Acceleration loads (gravity)
  • Enforced motions: acceleration, velocity, displacement (rotational/translational)
  • Temperature, default temperature and heat flux
  • Symmetric, antisymmetric, axisymmetric boundary conditions
  • Fixed constraints on faces, edges and vertices
  • Directional and prescribed constraints
  • Thermal constraints
  • Thermal body loads
  • Initial temperature conditions
  • Custom colors and sizes for loads and constraints
  • Loads defined using edges
  • Convection
  • Conduction
  • Radiation
  • Heat generation
  • Rotational velocity/acceleration
  • From output (thermal)
  • Load variation using arbitrary 3D scale factors

checkElement Library*

  • 1D line (CBEAM, CBAR, CPIPE)
  • 2D linear shell (CQUAD4 and CTRIA3)
  • 2D parabolic shell (CQUAD8 and CTRIA6)
  • 3D linear and parabolic tetrahedron (CTETRA)
  • Composites with plates and shells
  • Surface to surface contact with manual or automatic recognition of surfaces
  • Concentrated mass
  • Connectors
    • Spring (CBUSH)
    • Rigid elements
    • Rod (CROD)
    • Nonlinear cable

checkMaterials*

  • Isotropic
  • Anisotropic (2D & 3D)
  • Orthotropic (2D & 3D)
  • Nonlinear materials
    • Nonlinear elastic
    • Elasto-plastic
    • Plastic
  • Hardening
    • Isotropic
    • Kinematic
    • Combined
  • Yield
    • Von Mises
    • Tresca
    • Mohr-Coulomb
    • Drucker-Prager
  • Custom stress-strain curve
  • Hyperelastic
    • Neo-Hookean
    • Mooney-Rivelin
    • Ogden
    • Yeoh
    • Generalized polynomial
  • Temperature dependent property support

checkMaterial Orientation

  • Vector projection
  • Curve tangent
  • Rotated curve tangent
  • Translated curve tangent
  • Surface U and V directions

checkProperties

  • 1D beam (PBEAM/PBEAML) and bar (PBAR/PBARL)
  • 2D plate (PSHELL) and composite (PCOMP)
  • 3D solid (PSOLID)
  • Contact (BSCONP)

checkSurface Contact

  • Automatic surface contact generation
  • General, welded, slide, rough, offset weld and RBE3 element contact types
  • Static friction
 

checkAnalysis Types*

  • Linear statics
  • Normal modes
  • Linear buckling
  • Nonlinear statics
  • Thermal stress
  • Prestress static
  • Composite
  • Contact analysis in assemblies
  • Linear steady state heat transfer
  • Optimization
  • Modal transient response
  • Direct transient response
  • Direct frequency response
  • Modal frequency response
  • Nonlinear steady state heat transfer
  • Nonlinear transient heat transfer
  • Nonlinear transient response

checkComposite Analysis

  • Various failure theories supported:
    • Hill
    • Hoffman
    • Tsai-Wu
    • Max. stress
    • Max. strain
    • NASA LaRC02

checkOptimization Analysis

  • Design objectives to minimize, maximize or reach target values
  • Parametrically update geometry dimensions
  • Optimize weight, stress, material properties, temperature, eigenvalue, plate and laminate properties thickness

checkDrop Testing Analysis*

  • Automatic impact wizard
  • Acceleration and contact direction input
  • Time stepping automatically calculated based on natural frequency

checkCoordinate Systems

  • Cartesian, cylindrical and spherical coordinate systems
  • Referencing global assembly, part or custom coordinate systems
  • Display toggles

checkPost-Processing

  • Stress, deformation plots
  • Principal and directional stress plot
  • Strain plot
  • Resonant frequencies, mode shape plots
  • Temperature, heat flux plots
  • Iso-surfaces
  • Results across composite laminates
  • Partial results generation for modal and transient analysis types
  • Export Nastran input deck to other FEA systems
  • Output within SolidWorks view with sensitive Help and analysis control, such as pausing and solution termination
  • Import results using Femap Binary Neutral file format (FNO)
  • Customizable material library
  • Single and multi-set animations
  • Max/min labels
  • Results processed on selected parts of assemblies
  • Dynamic result data display during nonlinear analysis
  • Loads and constraints shown on deformed plots
  • XY plot capability
  • Section cut capability

checkReport Generation

  • HTML formatted reports for linear static analysis
  • Customizable report format
  • Step by step wizard for report generation process
  • Includes standard model data

Bicycle frame analysis

checkGraphics

  • OpenGL graphics taking advantage of the latest Computer Graphics chips
  • 3D dynamic pan, zoom and rotation
  • Hidden line and wireframe display
  • Light source shading and transparency
  • Multi-view display of Part/Assemblies

checkCompatibilities

  • Nastran input file can be sent to any Nastran FE Solver including NEi Nastran, NX Nastran, or MSC.Nastran
  • Binary results file in OP2 format usable by all Nastran solvers and wide variety of post-processors
  • Part and Assembly geometry is fully compatible with SolidWorks’ Parts and Assemblies

checkUser Interface

  • Seamless integration with SolidWorks GUI
  • Menu support for all features
  • Toolbar shortcuts
  • Modern tree view layout
  • Query display of real time information on nodes and elements
  • Highlight specific nodes and elements on the model
  • Total number of nodes/elements displayed in assembly tree
  • Section view for parts and assemblies
  • Dynamic update of loads, constraints, and rigid bodies

checkInternational Languages

  • GUI: English, Japanese, Italian, French
  • Technical documentation: English

checkSystem Requirements

  • Intel Pentium® 4 or AMD based PC as a minimum, Intel Core™ i7, Xeon, AMD Opteron recommended
  • 1 GB RAM minimum, more recommended
  • 600 MB free hard disk space for installation, more required for simulation models
  • Microsoft Windows XP® Professional with SP2 or greater, Vista base release or with any SP, and Windows 7 with SP0, 32-bit and 64-bit
  • Compatible with SolidWorks 2009 SP0, but SP4 recommended, and SolidWorks 2010 SP0, but SP1 recommended for Windows 7

*Features marked in green are only available in NEi Works Expert. Request the brochure.

Back to Top
Contact

Phone (U.S.): (877) - Nastran
Phone (International): +1 (714) 899-1220
Email: info@neisoftware.com

All rights reserved.
Legal Notices | Privacy