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Found 56 results

  1. Hello, I am new to this solver and trying to follow the tutorial video on Altair Flux YouTube channel. The video name is: Vibro acoustic coupling to LMS Virtual Lab. I have reached the last part where the solver shows me an error, where it cannot execute solving of Forced Computaation. The message is as follows: evaluateInstances : Execution failed. Failed execution Failed to create a new instance of Force computation. Can not execute the following command : lastInstance = SurfaceForcesComputation(Name='ForcesComputation', Interval=EvolutivePath(parameterSet=[SetParameterXVariable(paramEvol=VariationParameter['ANGPOS_ROTOR'], limitMin=9.54, limitMax=10.0)]), ComputeHarmonics='NoHarmonics', ComputationSupport=ForcesSupport['FORCESCOMPSUPPORT']) Please help me what to perfrom next?
  2. In a Transient Magnetic 2D Axisymmetric simulation, a solid movable piece of steel is attracted upwards by the combined forces of permanent magnets and a coil. The coil is represented in the associated electrical circuit as a coil conductor with one turn, and its resistance is equal to that for one turn as well. Current through the coil conductor is imposed by a current source. Now, once the mover has moved half of the required distance, the magnetic circuit should start to act as a brake (or damper), rather than an actuator. Hence, by passive means, the speed of the mover should be reduced. I would like to achieve this by short-circuiting the coil, and using it as a solid conductor. However, this requires to switch from one electrical circuit implementation, to another one. In the second electrical circuit, there is no current source anymore, and the coil is represented as a solid conductor (to act like a solid piece of copper). Can someone explain how I can implement both of these situations in the same Flux simulation? @Flux support @lombard
  3. 機械的な接触が不要な歯車として磁気歯車というものがあります。 接触がないため、ダストフリー、トルク制限、メンテナンスフリーなどのメリットがありますが、 磁界設計をする必要があるためシミュレーションによる検討が有効な製品です。 Altair Fluxではこのような磁気歯車の解析を柔軟なスライディングメッシュ機能を使用することで簡単な設定で高速高精度に計算することが可能です。 下記にその一例を示します。配列方法の異なる磁気歯車では脈動の仕方が違うことが確認できます。 4AC0443E-D8F3-42D3-B810-93B8D8B3A3D6.MP4 34D36A07-C3B7-4C43-8CAF-9C8FE1037ADE.MP4
  4. Altair Fluxでは磁場解析と伝熱解析の双方向連成解析により、温度依存物性を考慮に入れた高周波誘導加熱解析がおこなえます。磁性材料は温度による性能変化が激しく、また、加熱効率にも影響をあたえるため、温度依存物性を考慮に入れる事はとても重要です。 3D解析の例題として、Technical tutorials > Magneto Thermal Applicationという例題があります。 この例題では印可する磁界の周波数が異なる状況において、高周波誘導加熱により焼き入れし、急冷することで、材料がマルテンサイト変態を起こす現象への影響を見ているものです。 周波数が高くなるに従い表皮効果により加熱に寄与する渦電流の分布は表面に偏っていきます。そのため、表面付近でメッシュの解像度を上げる必要がありますが、Altair Fluxでは表面インピーダンスモデルを用いることで、高周波の場合でも計算負荷をあげずに解析することが可能です。   ご興味がございましたら是非お試しいただくか、お問い合わせをいただければと思います。
  5. Altair Flux 2019の新機能について簡単にご紹介いたします。 レイヤメッシュ生成機能 表皮効果により表面のごく薄い領域に渦電流などが発生するような状況では表面にレイヤメッシュを生成することで、計算精度の向上が図れます。 Preisachヒステリシスモデルを搭載(ベータ版機能) 鉄損計算の高速化 マルチフィジクス用出力機能の拡張 二次元部分モデルの三次元フルモデルとして物理量の出力 Altair SimLabから静電界解析の設定、実行、結果表示 Altair SimLabからFluxで計算した電磁力の抽出、構造解析への設定の実行 ハルバッハ配列着磁用のマクロを搭載 など。 ほかにもより使いやすく、わかりやすく設定がおこなえるようにGUIが変更されるなどされております。
  6. この簡単なビデオではAltair Fluxの使い方を説明しています。以下の項目について説明されております。 -Flux supervisor環境について -例題、チュートリアルの場所の見つけ方について -オプションの定義方法:言語、Macro、メモリ設定 -ヘルプやドキュメントへアクセス方法
  7. 最小および、推奨システム要件は以下の通りです。 Processor: Intel or AMD 64 bits multi-core Graphic card : OPENGL V2.0 互換 NVIDIA チップセット 最小システム要件 推奨システム要件 詳細については、 <インストールディレクトリ>\2019\flux\Flux\DocExamples\InstallationGuide\00_Installation_guide_en.pdf をご覧ください。
  8. Here is a quick video explaining how getting started with Flux software! You will discover: -Flux supervisor environment -where to find examples and tutorials -how to define options: language, macros, memory settings -where to have access to help and documentation
  9. Hello all, I am student of BE Mechanical Engineering, currently working on my final year project which is based on induction heating system to braze diamond tips to carbon steel rods for concrete core cutting bits. I am having difficulty in designing, simulating and selecting work coil for my project using FLUX. I have applied for its license file. I just want to know, has anyone here worked at it? So I can work with them or under their guidance and help to complete my project and to share knowledge? Thanks Allot. Best Regards, Hamza Shakoor
  10. The error code that I get executing "check physics" is: The lines :64 65 124 125 of the plan of periodicity have no linked discretisation. The mesh periodicity is not assured. The PERIODICITY PeriodicityNumberZaxis can not be taken into account Lines of the constraint without reference line: To obtain the same line mesh on lines, you may use a LINKED MESH_LINE I'm designing a quarter of a motor. The lines 64, 65, 124 and 125 correspond to the ones on the vertical axis. I'm using the periodicity setting to create the other quarters of the motor so that I get a full one. I've set Repetition number to 4, Offset to 0 and Odd periodicity. The mesh is automatically created with Mesh Faces. It has surface element with 98% of excelent quality and 2% of good. Checking the geometry doesn't give any errors. However I'm concerned that using cartesian and cilindrical coordinate systems on the same geometry may cause this error code. What do you think? I've tried creating a Linked Mesh Line. However It asks me to introduce a transformation that will define that Mesh Line, but I'm using a periodicity so it doesn't appear on the transformations menu. What can I do now? Thanks
  11. I've got license for Altair HyperWorks Student Edition 2018 and installed Flux 2018.1. Then I coupled the software with Matlab R2017b and set the necessary path in Matlab. When I tried to run co-simulation using Flux with simulink, however, it failed and the following message was shown: Could anyone tell me how can i solve this problem? thx
  12. Hi, I am VERY new to Altair Flux, and I am using a student license, and as such I have been looking everywhere for some... tutorials. I am interested in simulating and measuring torque, and flux, for switched reluctance motor (SRM). However, I am having trouble with the most basic thing for a motor: how do I simulate the phase/coils and their currents? I am trying to do a 2D simulation. From this cogging torque tutorial from the official channel, I can't see at any point the author assigning current values, only modifying the physical dimensions of the BLDC. But I really need to simulate the current to create torque for an SRM. Basically, I wanted to imitate the youtube video, but where is the part where I assign current values? i am sorry if this question is basic, but I am just having trouble finding good tutorials (or documentation) for my specific problem. Thanks!
  13. Hello, I am looking to do a vibro-acoustic (electro-magnetic FRF) analysis on a motor using FLUX. My aim is use electrical current/voltage as input to the motor and extract forces as output. Later map these forces onto the FE Model and look for noise levels and if possible mode shapes and stresses. Looking for help in this analysis as I am unsure about the procedure/work flow to be followed. Thanks in advance. Sandeepan
  14. Hi, When solving my model in Flux 12.3, simple electrical steel strip in a coil, I get at error at the end of solving saying 'Failed Execution'. Under the advanced tab it says the following twice. 'CVCM3M - Sentence too long'. Does anyone know what that means? The model seems to solve correctly I have the flux density and voltage in my coils I would expect but why does flux then say there is an error? Any help with the confusing issue is much appreciated! Thanks, Ben
  15. I use to design a new motor model. I have two years of experience in motor simulation using FLUX. But now the motor problem of this new model is bothering me, he can’t solve problem. And my magnet can not show his arrow. My magnet setting is correct and i success many motor model before. The Mechanical setting Rotor AND Stator setting is correct,too. Now this motor model is a new challenge for me and my partner. But flux can not solve it....and I don't have any advice. What should i do? This is my motor model. Black Turquiose White is air.It can't solve the problem and show the magnet arrows.This is my test 2. My test 1 is successful. All their setting is same.Just DXF file and angle different. Finally,my english is poor.Thanks for everyone who willing help me.
  16. Hello In the past, the Cedrat company sent superconductor code (my problem doesn't solve by Flux superconductor!!!) to us for Flux 10.3, which was purchased by our university, and we needed the "Intel visual FORTRAN compiler 11.1.060" software to use it in user version. Now, I want to use the code in the Flux 2018, which I need "Intel visual FORTRAN compiler 11.1.065" software, to use it in user version (Flux 2018). I searched in the Intel site for finding "Intel visual FORTRAN compiler 11.1.065" software but I could not find it. can someone help me out? I add the code to you My_sup.f3d_usr.zip
  17. I have given Hyperworks 17.0 student edition. When i try to open Matlab from Flux Main window Matlab Button is not arriving and also when i tried to set the Matlab path in the coupling software no file is showing (Matalb.exe file). How i can i open Matlab from Flux to do the cosimulation? In the attached figure when i am giving path in the Coupled software section no files is showing also after selecting the All files option. In the other when i was trying to run matlab there it is showing like this. Is there anyone who can solve this problem?
  18. Help file says periodicity in a model can only be deleted and set again but cannot be edited. However I get this error when trying to delete a periodicity. POINT already existing. £1 : delete abort.
  19. Hello, I make a transient magnetics 3D model. Around the moving part I make a box with compressible area, like in the user guide: file:///mnt/nfs/clients/CAE/Flux/Flux12.3/Help/Flux/english/Website/index.html?FluxGuideDutilisation1 Is it necessary to make, in the modeler Context, an assembly between the moving part and the box with the compresible area? Because without I didn't get any force as result. Or is the result with the assembly therefore falsified? Thank you in advance.
  20. Hello, I have to model a coil with the resistance of 2Ohm. How can I realize it? The Application is "transient Magnetic 3D". In the Editor for a non meshed coil i can define the reistivity of the coil. But I only know th resistance of it. I can't use the formula resistance=resistivity*length/A because I don't know the length of the wire. In the circuit Editor conextI use a coil conductor. There I can define a resistance. Is this the same? Thanks.
  21. Hi, everyone This may seem a dumb question. I need to do some repetitive work in Flux. I know I can use the python editor to in Flux to run some commands, but what I am trying to do is to use python IDE to run the python commands to load FLU project and of course do other stuff such as changing parameter and post processing, without having to open Supervisor to launch the project and do work in Flux as what people usually do. I can not find any useful material related to this...so if someone can tell me how to do this, or give an example/tutorial, it would be of great help. Thanks! PS: I've tried similar work by using MATLAB, but changing the python command into MATLAB command is really hideous work... Kind regards, Qibin Chen
  22. Hi, How compute the correct behaviour of an anisotropic magnet in 3D during the solve? Grazie!
  23. The macros enable the user to regroup the frequently used commands in an extension integrated into the software. You can build up a macro instead of manually executing a series of repetitive actions in Flux, which you will then be able to call regularly. A macro is interesting because it can encapsulate within a new command a series of repetitive operations and thus improve the quality and efficiency of the user-software interaction. Concretely, a macro file (*.py) is a text file, which defines the macro-function in the PyFlux language. It receives (upon entry) one or more parameters and executes (upon exit) a series of predefined actions. It is possible to use the macros provided with Flux or to create your own macros. All macros provided with Flux are open sources, to help you to create a macro fitting exactly your expectation. The list of macros provided with Flux is available in C:\Altair\Extensions\Macros\macros_list_EN.pdf. The moste recent one are described with more details in the attached document "New_Flux_macros_2016". New_Flux_macros_2016.pdf
  24. Could someone help me understand the following error? Im new to flux and this is the first simulation i tried to make. INFINITE: This region is not completely characterized In Physical, [MODIFY] [REG_SURF] [ELECTROSTAT_AXI] Impossible to solve problem
  25. When closing sketcher context i receive the following error. Am i doing something wrong? Method "glGenBuffersARB" not available
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