EFD.Lab - Specification List

Analysis Capabilities

General

• Wizard-supported input mode
• Definition of engineering simulation goals as basis for an intelligent analysis control mechanism
• Intelligent determination of the computational domain for internal and external flows
• Comprehensive plausibility check of input and partial solution data and output of warning and error messages
• Robust analysis convergence behavior
• Analysis Control Window: dynamic information about solution progress, goal convergence (numerically and graphically), configurable dynamic results preview window, estimation of the total remaining solution time
• Solver run on a remote computer
• Stop, Terminate and Restart procedures
• Batch calculation of pre-defined EFD.Lab projects with support of multiprocessor PCs
• Automated Parametric Study tool
• Integrated, networked, fully customizable Engineering Database for gas, liquid, solid and porous material properties, fan curve definitions, units, and visualization parameters
• Support of CAD model defined solid materials
• Integrated NIKA Calculator for easy calculation of basic engineering fluid flow equations
• Limited linear static analysis capabilities for parts (stress, displacement)

Physical Modeling Capabilities

• External and/or internal flows
• Multiple flow domains with own fluid parameters
• Incompressible or compressible liquid viscous flow
• Incompressible or compressible gas viscous flow including subsonic, transonic, and supersonic regimes
• Automatic laminar/turbulent solution with transition
• One component or up to ten independent species
• Non-Newtonian liquids (multiple material models, temperature-dependent)
• Steam model
• Relative humidity model
• Cavitation model
• Wall roughness model
• Navier wall slip model
• Multiple rotating parts (rotor - stator), centrifugal and Coriolis forces
• Porous Media model
• Conjugated heat transfer (fluid, solid), conduction and convection
• Forced, free or mixed convection
• Surface-to-surface radiation, solar and ambient radiation
• Time-dependent fluid flow, heat and mass transfer analysis
• Compact models for heat sinks with fan and thermoelectric coolers (TEC)

Boundary Conditions

• Openings: mass flow, volume flow, velocity, pressure, temperature, chemical species, turbulence, humidity
• Pre-defined inlet profiles for velocity and turbulence
• Direction, swirl or pre-defined profiles for selected flow boundary conditions
• External and internal fans with fan curves
• Thermal contact resistances
• Mach number
• Walls: wall treatment, heat transfer, thermal conditions, roughness, slip
• Tangential moving walls (translation and/or rotation)
• Symmetry boundary condition
• Periodic boundary condition (linear)
• Volumetric and surface heat sources
• Time and coordinate dependent boundary conditions, sources, initial conditions, and gravity
• EFD Zooming: use results as boundary conditions for new simulations
• Graphical visualization of applied boundary conditions on the CAD model

Mesh Generation Capabilities

• Direct meshing of the CAD model geometry; no need to create a separate solid model of the fluid domain
• Very fast high-quality automatic mesh generation in fluid and solid regions
• Automatic mesh refinement/unrefinement due to geometrical and/or physical (solution adaptive) requirements
• Local mesh settings for optimized meshes
• Full access to mesh generation parameters
• Full access to mesh refinement/unrefinement parameters
• Full access to geometry-related parameters
• Modification of selected mesh parameters based on predefined settings for automatic mesh generation
• Quick preview of the Base Mesh to be generated
• Visualization of the complete mesh before solver run for inspection including highlighting different cell types, etc.

Solution Control Capabilities

• Optional manual definition of solver convergence and stopping criteria
• Flexible control of solution-adaptive mesh refinement/unrefinement parameters
• Optional CAD independent solver operation

Result Visualization Capabilities

• Direct display of results on the CAD model
• Optional usage of computational mesh instead of geometry for all plots
• Wide range of solution and derived quantities to be visualized
• Real-time change of visualization parameters
• Automated results processing
• Customizable Palette Bar
• User-defined visualization parameters
• Plot of any solution or derived quantity on CAD model planes: contours, vectors and isolines
• Plot of any solution or derived quantity on CAD surfaces: contours, vectors and isolines
• Plot of flexible color isosurfaces of any solution or derived quantity
• Three-dimensional flow trajectories representation by flexible color flow traces
• Particle tracking model: spherical particles with density and size, heat transfer, wall options, wall restitution coefficients, gravity, start conditions
• Output of flow and particle parameters along trajectories to MS Excel, including residence time, erosion and accumulation mass rate
• Plot any solution or derived quantity along a curve defined by solid modeler sketch lines to MS Excel
• Animation tool to animate steady-state and transient results along with geometry
• Probes of local steady-state and transient results at specified points
• Visualization in cartesian, cylindrical or spherical frame of reference
• Support of local coordinate systems for result processing and visualization
• Output of solution, derived, and integrated quantities as numerical values in a table with full MS Excel support
• Output of cell centers coordinates and cell values to MS Excel or ASCII file
• Optional results visualization without interpolation
• Results summary function
• Map View window for easy navigation within zoomed views
• Comprehensive text reports in MS Word
• Copy, print and save results images
• Export geometry and selected plot types into VRML format
• Full support of OpenGL graphics including shaded display mode
• Programming Interface for results files processing allows to interface to most of the major FEM analysis software