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- 2024-04-30
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The Midas IT development team is pleased to announce the availability an hotfix to midas NFX 2022 R1 build 20220530 is an integrated finite element analysis program for structural, CFD simulation and optimization design.midas NFX is a finite element analysis program for CFD simulation and structure and optimization design that provides efficient and accurate analysis together, with pre and post integration. This software was developed by senior mechanical engineers with over 20 years of experience in CAE. In its highly interactive and intuitive environment, users have access to a variety of practical tools that can help build, edit and manipulate slow CAE models. This software provides general solutions of top and bottom of structural analysis functions such as contact analysis, explicit and implicit analysis, practical topology and size optimization and manufacturing processes.  The Midas IT development team is pleased to announce the availability of midasNFX 2022 R1 build 20220531 is an integrated finite element analysis program for structural, CFD simulation and optimization design.
Release Note midas NFX 2022
CAD Interface Update
The CAD Interface has been updated according to the CAD version update. Support of the latest version of CAD Interface may be delayed depending on the update environment of partners. When the latest version is not supported, you can import it by converting it to a Parasolid or STEP file. We will do our best to reflect the latest version of CAD quickly.Plus/minus sign for the response spectrum mode combination results
Response spectrum analysis to evaluate earthquakes is based on mode analysis. Since the mode combination method appears as an absolute value of the mode result, it always has a positive (+) value. However, it is necessary to have an appropriate sign for directional results, such as reaction force or deformation shape.
In general, the most common method of determining the sign of the combined result is to follow the sign of the major mode. The main mode is defined as the mode corresponding to the direction closest to the direction in which the spectrum is defined (load direction) among the modes with the largest mass participation rate by direction component.
For the evaluation of anchor bolts installed after earthquake analysis, the direction of reaction force is very important, and different designs must be reflected according to extraction/compression. In the example below, the deformation shape and the direction of the reactions are compared, and it can be seen that all values are positive (+) values based on absolute values and are properly expressed in positive (+)/negative (-) directions according to the main mode reference positionCombination of orthogonal directions using SRSS (Square Root of Sum of Squares)
When it is necessary to check the influence of each orthogonal direction (X, Y, Z), analysis is performed by composing individual analysis cases or sub-cases. A typical example of this is response spectrum analysis for earthquake evaluation. In addition, analysis for each orthogonal direction is performed for various analyses, such as linear static analysis for wind loads and frequency response analysis for durability verification.
In the actual phenomenon, the loads can occur in complex directions. It is necessary to evaluate the combined results with the orthogonal directions instead of a load in only one direction. For this purpose, separate calculations had to be performed after the extraction of the results of the individual analysis cases. The SRSS combination method has been added to the result combination function, and it can be simply defined along with a scale factor on a sub-case basis. Since all component results are calculated and displayed in a lump, you can check various combination results such as displacement, stress, and reaction force with a simple process.
Combination of orthogonal directions using SRSS (Square Root of Sum of Squares)
CFD Graph Data Update
In the flow analysis, NORM Graph is checked to determine analysis convergence. Monitoring points are generally designated and checked for user-specified locations. This is used as a measure to judge that the convergence is sufficiently achieved when there is no change after reaching a specific solution value for the purpose of observing changes for a specific result (velocity, pressure, temperature, etc.).
During the flow analysis, the “Show Data Grid” function was repeatedly used to determine the correct convergence, but there was an inconvenience of having to close the function at each point and check again for data updates. All data in the CFD graph can be updated and checked in real-time through the update function, and table values can be copied and utilized in various documents such as MS-EXCEL
Other Improvements
< Improvement of the fin file output method of the Thin Wall function in the flow analysis >
In the case of the thin wall function, it is generally used to omit the shape of the solid region existing inside the fluid, so the internal surface or fluid-fluid contact function is used. When used for solid heat transfer with the fluid-solid contact function, it was found that the heat transfer was not properly simulated due to an error in the output of the fin file. The output method inside the fin file has been improved so that the compound heat transfer analysis conditions are normally output under all conditions.
< Improvement of solver license authentication error for FSI (Fluid-Structure Interaction) >
During FSI analysis, it was found that unnecessary analysis modules were required under some conditions, which is improved so that only necessary licensed modules are applied.
< Improvement of CATIA CAD file import >
The problem of importing all saved shape information, including hidden shapes, in the CATIA CAD file, was found. It has been improved so that only the shapes printed on the screen are imported.
< Separation of CFD analysis option >
Existing CFD analysis options (compressibility solver, analysis process, selection of convergence conditions, etc.) were written into the registry information in the user's local PC, so there was an inconvenience that the option information was not saved when performing other types of analysis. Analysis options required for CFD analysis are now separated from the existing options, and information in the NFX setting file (*.nfx) is recorded so that users can quickly check it at any time.
< Improvement of display error of the response values according to the reliability level in the random response analysis >
It has been improved so that the response values such as displacement and stress are normally amplified in 2-Sigma (95.4%), 3-SiFeatures and Features of Midas NFX Software: - Nonlinear Elastic: Simulate nonlinear elastic
- Multilayer PCB: Heat transfer from a multilayer PCB is used
- Interconnected Thermal Model: A simple behavioral model that accurately predicts temperature
- 1D CFD Analysis : This function helps to analyze flow, heat, mass transport in complex pipe networks and save time on your computation
- Improved multi-body simulation
- Particle analysis
- Implicit analysis of nonlinear dynamics
midas NFX provides a high-performance finite element pre-processor that represents an interactive and visual environment to analyze design behavior. Through a series of steps from generating an analysis model using a CAD geometry to analyzing its response to generation of an automatic report, midasNFX guides the users to effectively conduct the entire process of analysis and evaluation of results.required system Product: midas NFXVersion: 2022 R1 build 20220530Supported Architectures: x64Website Home Page : www.midasuser.comLanguages Supported: multilanguageSystem Requirements: PC *Size: 1.6 Gb * System Requirements: Midas Programs operate on IBM compatible Personal Computer(PC) in the Windows environment. In addition, Midas programs require the following minimum configuration : Operating System- Microsoft Windows 2000 / XP / VISTA / Windows 7- MS Internet Explorer Version 6.0 or later version* Warning : In Windows Vista Operating System, program compatibilityissue occurs in some functionality.CPU- Pentium IV or better performing PC processor- (Pentium IV 3GHz or greater recommended)Memory (RAM)- 1GB (2GB or greater recommended)HDD Space- 5 GB (30GB or greater recommended)Video Memory- 128 MB or greaterVideo Card- GeForce NVIDIA type video card recommended- (On-board video card is not recommended.) System RecommendationsIn general, better system will make the analysis and software performance smoother and faster (higher memory Ram, local drive storage, etc.) There are system recommendations : Operating System- 64 bit operating system- If the system can handle GPU, that is even better.HDD TypeSSD (Solid State Drive)Graphic Card- NVIDIA G-Force Line Graphic card Installation guide Read the Readme.txt file in the Crack folder. 本部分内容设定了隐藏，需要回复后才能看到
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