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Total Analysis Solutions forOptimum Design in Multi-disciplines

midas NFX

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Competent analysis
capabilities

NFX boasts competent analysis capabilities and ease of use.
We have everything to take your design to the next level.

NFX STR catalog NFX CFD catalog
NFX Ease of Use NFX analysis convenience function Various analysis functions
NFX Ease of Use AI-level automation enables
fast
and efficient design
Automatic cleanup The automatic clean-up function
cleans up
features that are not critical
to the analysis
such as small holes
and fillets, which is the
basis for a clean
mesh.
Automatic mesh generation Anyone can easily and quickly create a

mesh-optimized design model.

Even model assembles of thousands of
parts
can be quickly created with parallel
multicore.
Automatic report The result analysis of numerical tables
and graphs
can be deducted as MS
templates.

Based on the analysis results, outputs of
outlines, model shapes, materials,
properties and even displacement/
stress results can ba automatically
calcuated.
Convenient analsys functions in NFX It is easy to use,

but offers a wide range of
features
required for
professional engineering.
20 types of elements provided About 20 types of specialized elements
can be used in the right place depending
on the purpose of analysis

Welding elementsACM Spot Weld element

2D+ Special elementMixing 2D+Mass+Rigid elements

1D+ Speical element mixMixing beam and mass elements

3D element4-node Tetra
10-node Tetra

Mix of 1D+2D+3D elementsMixture of Beam, Shell
and Solid element

2D element4-node Quad
6-node Tri

3D element8-node Hexa
20-node Hexa

Offers a variety of load types It provides more than 50 different
engineering practice loads for structural
strength, fluid flow, and thermal
properties,
and you can configure various operating
environment conditions to
review safety
under multiple conditions at once.
engineering practice load
547 kinds of material DB More than 500 kinds of structural
and fluid materials are ready for you in DB's.
Materials that are not in the DB, but are
often used within the company can easily
be
saved and customized as DB's.
nfx material editor
Various analysis functions Predict the performance
of your designed
product
in front of your computer.
Structural analysis Stiffness, vibration, heat,
and fatigue life required for practical
design are
all predictable.
Stiffness/Strength Evaluation
Linear Static Analysis

Analyzes large-scale models quickly and accurately.

Nonlinear Static Analysis

Performs calculations efficiently with superior convergence.

Analyzes large-scale models at high speed using a high-performance parallel solver.
Linear Static Analysis of Medical Transport Equipment

- Utilization of next-generation solvers: Multi-frontal solver and AMG solver
- High-speed analysis using a high-performance parallel solver

BIW Stiffness Evaluation

- Stiffness evaluation of the vehicle body BIW subjected to various loads.
- Fast analysis is possible even for models exceeding 1 million degrees of freedom (DOF).

Various assembly conditions can be analyzed through linear contact analysis.
Lens mount rail travel simulation

- Linear contact analysis using sliding contact.

Transfer Equipment Simulation

- Relative displacement analysis using sliding contact.
- Structural safety review through bolt stress analysis.

Material nonlinear analysis involving elasto-plastic and hyperelastic materials is possible.
Weatherstrip material nonlinear analysis

- Analysis of weatherstrip nonlinear behavior during automobile door opening/closing.
- Application of hyperelastic (rubber) model.

Seismic Performance Evaluation of a Seismic Damper

- Application of elasto-plastic material model using a Stress-Strain curve.
- Evaluation of energy absorption capacity during a seismic event.

Both large deformation and contact problems can be handled.
Mobile phone connector insertion/removal analysis

- Nonlinear contact analysis considering friction.
- Residual stress analysis considering large deformation and material nonlinearity.

Boot seal nonlinear contact analysis

- Nonlinear analysis considering self-contact.
- Nonlinear analysis considering hyperelastic material / large deformation.

Vibration Performance Evaluation
Mode Analysis

Natural frequencies, mode shapes, and mass participation factors can be reviewed.
Even large-scale assembly models are calculated quickly using linear contact.

Linear Dynamic Analysis

Analysis considering reliability and efficiency can be performed using direct integrated and modal superposition methods.

  • - Transient Response Analysis
  • - Frequency Response Analysis
  • - Random Vibration Analysis
  • - Response Spectrum Analysis
Natural frequencies of large-scale assembly models can also be reviewed quickly.
Eigenvalue Analysis of Semiconductor Equipment

- Fast eigenvalue analysis is possible using linear contact (Weld contact).

Analysis of structural response characteristics to time-dependent loads: Transient Response Analysis.
Automobile door transient response simulation

- Transient response analysis using the modal method.
- Accessories mounted on the door module are substituted with mass elements.

Seismic analysis applying Enforced Motion

- Inputting time-dependent ground acceleration at the supports.
- Verification of the structure's seismic performance through transient response analysis.

Analysis of structural response according to frequency under harmonic loads: Frequency Response Analysis
Analysis of dynamic characteristics of a marine refrigerator due to vibration load

- Inputting as harmonic load after analyzing motor components/characteristics.
- Reviewing the safety of the structure and piping parts by performing frequency response analysis.

Seismic performance evaluation for earthquake loads: Response Spectrum Analysis.
Seismic performance verification of an ultra-large extraction robot

- Seismic performance verification of an ultra-large extraction robot based on KBC standards.
- Review performed by applying modal combination methods such as CQC, ABS, SRSS, NRL, TENP.

Heat Transfer and Thermal Deformation Evaluation
Heat Transfer Analysis

Convenient and effective heat transfer analysis is possible by considering various thermal mechanisms.

  • - Steady-State, Transient Heat Transfer Analysis
  • - Nonlinear heat transfer analysis considering temperature-dependent materials
Thermal Deformation / Thermal Stress Analysis

Thermal deformation and thermal stress problems can be reviewed simultaneously in conjunction with heat transfer analysis.

Effective and efficient heat transfer analysis is possible using thermal contact and sensor conditions.
Brake System Thermal Capacity Evaluation

- Analysis of brake oil temperature through transient heat transfer analysis.
- Application of thermal contact function to consider heat conduction effects in discontinuous parts.

Transient heat transfer analysis of a ball valve using the sensor function

- Perform transient heat transfer analysis using the sensor function
- Analysis terminates automatically upon reaching the target temperature

Examination of deformation amount is possible through the coupling of transient nonlinear heat transfer analysis and nonlinear static analysis.
Brake System Thermal Capacity Evaluation

- Analysis of brake oil temperature through transient heat transfer analysis.
- Application of thermal contact function to consider heat conduction effects in discontinuous parts.

Impact and Drop Evaluation
Nonlinear Dynamic Analysis

Calculation is possible for various nonlinear phenomena such as drop and collision using implicit and explicit methods.

  • - Implicit Nonlinear Dynamic Analysis
  • - Explicit Nonlinear Dynamic Analysis
  • - Sequential Nonlinear Dynamic Analysis
    (Implicit-Explicit Coupled Analysis)
Impact analysis using the explicit time integration method
Instrument Panel Head Impact

- Safety review upon passenger Impact with the instrument panel
- Review of ECE R31 Head Injury Criterion (HIC) value

RCAR Rear Part Low Speed Impact

- Structural safety review during rear low-speed Impact

Drop and forming analysis using the explicit time integration method
Hard disk drop analysis

- Review of product performance during hard disk drop

Sheet Metal Forming

- Stage-by-stage shape review of a metal pipe formed by rollers
- Review of final formed shape and stress

Durability Life Evaluation
Fatigue Analysis

Durability assessment is possible without additional cost using independent post-processing functions.

  • - S-N Method
  • - e-N Method
  • - Vibration Fatigue
  • - Time and stress history-based fatigue analysis
Durability life calculation is possible in conjunction with various analysis types.
Fatigue Life Analysis of Vehicle Body

- Predicting failure modes using stress results from transient response analysis

Optimal design for material reduction
Topology Optimization Design

Topology optimization design is possible considering static/dynamic analysis and manufacturing processes.

  • - Optimal design linked with static and dynamic analyses
  • - Optimal design considering manufacturing and process conditions
  • - Optimal design considering operating and load conditions
Approximate model-based size optimization

Topology optimization design is possible considering static/dynamic analysis and manufacturing processes.

  • - Various Design of Experiments (DOE) methods
  • - Size optimization using approximation model techniques
Topology optimization design and performance verification are possible easily and quickly.
Topology Optimization Design Workflow

- Topology optimization design for the target by specifying the design space.
- Performance verification of the optimized design model utilizing analysis model regeneration and Mesh Smoothing functions

Topology optimization design is possible considering manufacturing processes and constraints.
Topology Optimization Design Considering Manufacturing Processes

- Topology optimization design considering Draw Direction conditions

Topology Optimization Design Considering Constraints

- Definition of design / non-design region conditions using the constraint function feature

Optimal design can be performed for various loading conditions, considering static/dynamic loads.
Stiffness Maximization Utilizing Linear Static Analysis

- Design Objective: Maximize stiffness
- Analysis Condition: Linear static analysis
- Design Constraint: 45% Weight Reduction Target

Volume Minimization Utilizing Frequency Response Analysis

- Design Objective: Minimize volume
- Analysis Condition: Frequency response analysis
- Displacement Limit: Max. 1.4mm

Approximation model-based size optimization is possible using various Design of Experiments (DOE) methods.
Workflow for Approximation Model-Based Size Optimization

- Extraction of Sample Points (using DOE)
- Creation of Approximation Model
- Performance prediction and Optimal Model Generation

Workflow for Size Optimization Based on Topology Optimization Mode

- Material layout through topology optimization design
- Parameter definition for size optimization design
- Perform size optimization design

Flow analysis(CFD) Efficiently calculates
the flow
of various fluids, heat dissipation
and
cooling performance, etc.
Fluid Flow Characteristics Analysis
General Fluid Flow Analysis

Fluid flow analysis is possible using various flow models.

Steady/unsteady, compressible/incompressible problems can be analyzed for all fluids.
Flow Meter Fluid Flow Analysis and Structural Safety Evaluation

- Fluid flow analysis and pressure derivation using general flow analysis
- Structural safety evaluation utilizing Fluid-Structure Interaction (FSI) analysis

Thermal Power Plant Duct Guide Vane Design

- Identification of necessary locations for guide vanes
- Analysis of the effect when guide vanes are installed

Accurate analysis is possible using 13 types of turbulence models.
Wind Load Analysis of Membrane Structures

- Confirmation of pressure distribution due to wind load
- Analysis of directional loads acting on the membran

Efficient calculation is possible utilizing porous media and perforated plate models.
Catalytic Converter Analysis Utilizing the Porous Media Model

- Idealization of the large mesh resulting from narrow flow paths
- Reduction in analysis time utilizing the porous media model

Heat Dissipation and Cooling Performance Evaluation
Heat Transfer Analysis

Offers features specialized for analyzing cooling, heat dissipation, and heat exchange performance, taking into account conduction, convection, and radiation.

Temperatures of fluid and solid are examined concurrently, considering natural convection, forced convection, and radiation conditions.
Heat Dissipation Performance Evaluation of LED Lighting

- LED lighting heat dissipation analysis by natural convection
- Review of LED chip arrangement and Heat sink geometry
- Predict maximum temperature and minimize thermal concentration (hot spots)

Graphics Card Cooling Performance Evaluation

- Cooling performance analysis due to fan operation
- Review of chip maximum temperature under steady-state conditions

Temperature and structural deformation can be examined simultaneously through Fluid-Structure Interaction (FSI) analysis.
Thermo-fluid Analysis of Heat Exchanger

- Heat exchanger performance prediction through thermo-fluid analysis

Coupled Thermo-fluid and Thermal Deformation Analysis of Heat Exchanger

- Heat exchange performance analysis through thermo-fluid analysis
- Structural safety review (considering effects of thermal deformation and thermal stress) linked with structural analysis

Convenient analysis is possible with dedicated specialized functions such as Joule heating, PCB, and thermal resistance network models.
Thermo-fluid Analysis of Electrical Distribution Panel

- Confirmation of temperature change over time (utilizing Joule heating function)
- Identification of internal flow phenomena and solid part temperature distribution

Assessment of Fluid Dynamic Effects Considering Rotating Machinery
Rotating Machinery Analysis

For rotating machinery such as blowers, pumps, and agitators, the MRF (Moving Reference Frame) function and mesh deformation capabilities are provided.

Precise analysis of rotating machinery is possible using the mesh deformation module.
Flow Analysis of Boiler Blower

- Analysis of pressure rise according to flow rate conditions
- Derivation of P-Q curve for blower performance confirmation

Blower Analysis Utilizing Mesh Deformation Module

- Applied to fluid machinery involving rotational or linear motion
- Precise characteristic analysis of rotating bodies is possible

Effective performance verification of rotating machinery is possible with the MRF (Moving Reference Frame) function.
Centrifugal Fan Analysis Utilizing MRF Function

- The MRF function efficiently reduces calculation time related to rotation by applying a relative velocity to the rotating part, instead of considering the actual rotation of the system.
- Enables rapid assessment for rotating machinery such as pumps, compressors, agitators, etc.

Analysis specialized for blowers, pumps, and agitators is possible.
Agitator Analysis Utilizing MRF Function

- Verification of agitator mixing performance using the MRF function
- Effective analysis and performance confirmation of rotating machinery

Mixing Performance Evaluation of Dual-Axis Agitator

- Mixing performance evaluation of a dual-axis agitator performing simultaneous orbital revolution and axial rotation
- Analysis of velocity propagation and interference effects between impellers

Mixing Performance Evaluation of Various Fluids
Mixture Analysis

Mixing analysis for various fluids is possible based on species transfer

Gas-gas and liquid-liquid fluid mixing analysis and representation of various mixing shapes are possible.
Gas Mixing Analysis Utilizing Mesh Deformation and Mixture Analysis

- Examination of mixing phenomenon upon inflow of different fluids
- Examination of fluid mixing utilizing the mesh deformation function

Pollutant Dispersion Assessment

- Assessment of atmospheric dispersion of pollutants
- Analysis of the phenomenon of pollutants dispersing into the atmosphere

Analysis is performed by calculating mixture property values for density, viscosity, thermal conductivity, and specific heat according to mixing laws.
Analysis of Nitrogen Purging inside FOUP

- Analysis of nitrogen purging speed per design alternative

Air Purifier Performance Verification Analysis

- Verification of purification performance for polluted air

Fluid-Structure Interaction Effect Assessment
Mesh Deformation
Fluid-Structure Interaction (FSI) Analysis

Observation of interacting physical phenomena with systems moving within the fluid is possible.

Fluid-Structure Interaction (FSI) analysis is possible using deforming mesh capabilities.
2-Way FSI Utilizing Deforming Mesh

- 2-Way FSI analysis linking fluid analysis and structural analysis
- Applying the deforming mesh technique that simulates movement by moving nodes

Fluid flow affected by structures can be analyzed utilizing sliding mesh and overset mesh functions.
Vertical Axis Wind Turbine Flow Analysis

- Calculation of torque received by the wind turbine and its rotational speed according to wind speed conditions

Clean Room Internal Flow Analysis

- Analysis of flow disturbance caused by the transport robot inside the clean room

Multi-phase Flow Evaluation
Multi-phase Flow Analysis

Free surfaces, immiscible fluids, and the behavior of particles within fluids can be analyzed.

Free surface analysis can be performed using Level set / Wave Elevation techniques.
Wafer Surface Cleaning Analysis

- Analysis of chemical liquid behavior during nozzle injection

LNG Carrier Tank Sloshing Analysis

- Analysis of free surface behavior inside the LNG carrier tank of a ship in operation
- Controlling tank movement by generating wave loads as a function

Analysis of particle behavior within the fluid is possible using 1-Way and 2-Way coupling methods.
Oil Catch Can Flow Analysis

- Analysis of collection rate by oil particle size
- Capture occurs when oil particles impact the wall surface

Find out more about NFX
  • What are the minimum system specs?

    Minimum Specifications Recommended specifications are Intel i5 CPU / 8GB RAM / 1TB SATA HDD /
    NVIDIA Geforce 2GB Graphic Card. If you want to perform large-scale structural analysis and flow
    analysis, please refer to the recommendations below.
    Inter i7 CPU / 32GB RAM / 256GB SSD + 1TB SATA HDD / NVIDIA Geforce 4GB Graphic Card

  • Can I import 3D CAD models directly?

    In midas NFX, you can import Parasolid, Step, and igs files, which are common neutral file types, free of charge, and you can directly import common commercial 3D CAD files such as CATIA, UG/NX, Pro-E, CREO, Inventor, Solidedge, and SolidWorks. If you wish to import commercially available 3D CAD files, a 3D CAD Direct Interface is required and additional costs apply. In addition, 2D CAD with the dxf file extension can also be directly imported.

  • What is the midas NFX Spec?

    midas NFX is largely divided into structural analysis and flow analysis. For detailed specifications, please refer to the PDF file below. Download midas NFX Spec PDFDownload midas NFX Spec PDF

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