CAE with Armin Hashemi
CAE with Armin Hashemi
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All About Ansys Thermal Analysis: Radiation and Convection
This tutorial explores how to model heat transfer in a steady-state thermal analysis. Step by step, I’ll demonstrate how to:
Define convection and radiation boundary conditions.
Assign material properties and set up boundary conditions.
Analyze temperature distribution, heat flux, and contact effects.
Visualize results like thermal gradients and heat transfer paths.
We’ll also observe how suppressing and enabling contact regions impact heat transfer between the heat source and the panel. Finally, I’ll show how to use probes and reaction probes.
This tutorial is perfect for beginners and those looking to refine their simulation skills. If you found this video helpful, don’t forget to like and subscribe to my channel for more educational content on heat transfer modeling and simulation!
#HeatTransfer #Simulation #SteadyStateThermal #ThermalAnalysis #EngineeringTutorial #ansysradiation
Переглядів: 120

Відео

COMSOL Tutorial: Particle Tracing with Turbulent Flow
Переглядів 311Місяць тому
In this tutorial, I demonstrate how to use COMSOL Multiphysics to model fluid flow and particle tracing in a duct. You’ll learn key steps such as creating geometry, defining boundary conditions, setting up physics interfaces, and visualizing with streamline and particle trajectories. We’ll explore Turbulent Flow k-omega and Particle Tracing physics interfaces, using both Stationary and Time-Dep...
All About Aeroacoustics Noise with Ansys Fluent Ffowcs Williams-Hawkings (Part II)
Переглядів 5532 місяці тому
In this video, I’ll walk you through the process of simulating aeroacoustic noise in Ansys Fluent using the Ffowcs Williams-Hawkings (FWH) model. I’ll explain how to set up and use the Large Eddy Simulation (LES) model for fluid dynamics and demonstrate both the permeable and impermeable FWH methods to predict and analyze noise from aerodynamic sources. Whether you're working with external flow...
All About Aeroacoustics Noise with Ansys Fluent Ffowcs Williams-Hawkings (Part I)
Переглядів 6102 місяці тому
In this video, I’ll walk you through the process of simulating aeroacoustic noise in Ansys Fluent using the Ffowcs Williams-Hawkings (FWH) model. I’ll explain how to set up and use the Large Eddy Simulation (LES) model for fluid dynamics and demonstrate both the permeable and impermeable FWH methods to predict and analyze noise from aerodynamic sources. Whether you're working with external flow...
COMSOL Project 1: Insertion Loss of a Noise Barrier
Переглядів 3133 місяці тому
"This tutorial covers the calculation of the insertion loss of a noise barrier, including ground reflection. In this video, you will learn how to: Add a porous layer Apply a perfectly matched boundary Set up a pressure source Extract plots Calculate insertion loss using an Excel sheet Please watch the first and second parts of the tutorial to learn how to create this model. Part 1 ua-cam.com/vi...
COMSOL Project 4: Modal Analysis of Room (Acoustic Impedance)
Переглядів 2983 місяці тому
In this video, I demonstrate how to calculate the natural frequencies of a room, incorporating absorption coefficients for materials like the sofa, floor, and ceiling. We'll systematically explore the process, from defining the geometry to setting up the Impedance boundary conditions. You'll see how absorption impacts the room’s acoustics' natural frequencies. Perfect for those interested in ac...
COMSOL Project 3: Wave propagation in Air and Water
Переглядів 4984 місяці тому
This tutorial shows the speed of sound in air and water using the "Pressure Acoustics, Transient" physics interface in a time-dependent study. I also show how to add annotations to write text within the geometry domain for better visualization and understanding. you can download the model from the below link www.dropbox.com/scl/fi/wfy6f005xd05p4wtbjqtb/Sound-propagation-in-air-and-water.mph?rlk...
Mastering COMSOL: Dew point & Relative humidity
Переглядів 2104 місяці тому
This COMSOL Multiphysics tutorial will focus on calculating psychometric properties such as dew point and relative humidity. We will utilize Heat Transfer in Solids and Fluids physics and incorporate a moist air domain in the example. The ambient properties of California weather will be used in the analysis. Download the model from the link below (Version 6.2) www.dropbox.com/scl/fi/n1rlc8n74lm...
COMSOL Tips: Everything About Material Sweep
Переглядів 2566 місяців тому
Welcome to COMSOL Multiphysics tutorial! In this video, we will walk you through the process of using the Material Sweep feature. This powerful tool allows you to analyze the impact of different materials on your simulation model. We will demonstrate this by using three different materials in our example. you can download the model from here (V6.2) www.dropbox.com/scl/fi/9ou530168qpo7wly303f1/M...
COMSOL Tips: Everything About COMSOL Probes
Переглядів 9126 місяців тому
COMSOL Probe Probes are valuable tools for obtaining results in points, boundaries, and domains. In this tutorial, you will learn how to use point probes, boundary probes, and domain probes to analyze results in a 2D geometry. Watch the tutorial for this model at the following link: ua-cam.com/video/gSKZ9zwWqIM/v-deo.html Download link of COMSOL file (V6.2) www.dropbox.com/scl/fi/pyjqdnk44xhnx2...
Ansys Project II: Arch bridge analysis (convert 3D solid to 1D beam)
Переглядів 2437 місяців тому
This Ansys tutorial focuses on modal and static strucural analysis. you will learn in this video how to convert a 3D solid bridge to 1D beam elements; How to perform modal analysis and static structural; how to exract beam results and factor of safety. Geometry link in Grabcad grabcad.com/library/arc-bridge-2 If you found this video helpful, please give it a thumbs up, subscribe to our channel ...
Mastering Ansys: Sound absorption coefficient with JCA model
Переглядів 8997 місяців тому
This ansys tutorial is about calculating the sound absorption coefficient with the Johnson-Champoux-Allard (JCA) model. I use ansys workbench and harmonic acoustics system in this model. Also, I use spaceclaim to create impedance tube geometry. This model requires five parameters for material, which I used from an academic paper. You can download the article from the link below hal.science/FA20...
Ansys Project I: Acoustics of Helmholtz Resonator
Переглядів 1,2 тис.7 місяців тому
Helmholtz resonator is widely used to reduce sound at a specific frequency. In this Ansys tutorial, you will learn how to calculate sound transmission loss and absorption coefficient of a Helmholtz resonator in Ansys. 9 Hertz disparities between simulation and analytic results are observed. A porous material is also used in the resonator. perforated medium is modeled by Delany Bazley method. If...
COMSOL Project 2: Acoustic of Helmholtz Resonator
Переглядів 1 тис.7 місяців тому
Helmholtz resonator is widely used to reduce sound at a specific frequency. In this tutorial, you will learn how to calculate sound transmission loss, reflection, and transmission coefficients. 10 Hertz disparities between simulation and analytic results are observed. A porous material is also used in the resonator. you can download the model from the below link www.dropbox.com/scl/fi/hyile2k7q...
COMSOL Project 1: Monopole sound source and acoustic barrier (Part II)
Переглядів 7318 місяців тому
This free tutorial is about simulating a monopole sound source in a free-field environment with a barrier in front of it in COMSOL Multiphysics. The tutorial is divided into two parts. in part I, the barrier is rigid. This is the second part and the barrier is flexible. please watch the part I first ua-cam.com/video/gSKZ9zwWqIM/v-deo.html In this part, you will learn how to couple pressure acou...
COMSOL Project 1: Monopole sound source and acoustic barrier (Part I)
Переглядів 1,2 тис.8 місяців тому
COMSOL Project 1: Monopole sound source and acoustic barrier (Part I)
Mastering ANSYS: prestressed modal analysis metal wire
Переглядів 5508 місяців тому
Mastering ANSYS: prestressed modal analysis metal wire
صفر تا صد کامسول: قسمت نهم (COMSOL Persian)
Переглядів 2299 місяців тому
صفر تا صد کامسول: قسمت نهم (COMSOL Persian)
Mastering ANSYS: Bimetallic thermal expansion
Переглядів 7129 місяців тому
Mastering ANSYS: Bimetallic thermal expansion
صفر تا صد کامسول: قسمت هشتم (COMSOL Persian)
Переглядів 2349 місяців тому
صفر تا صد کامسول: قسمت هشتم (COMSOL Persian)
ANSYS mesh: Watertight workflow polyhedra and poly-hexcore
Переглядів 5979 місяців тому
ANSYS mesh: Watertight workflow polyhedra and poly-hexcore
صفر تا صد کامسول: قسمت هفتم (COMSOL Persian)
Переглядів 2789 місяців тому
صفر تا صد کامسول: قسمت هفتم (COMSOL Persian)
ANSYS mesh: Savonius turbine in Watertight workflow meshing
Переглядів 3229 місяців тому
ANSYS mesh: Savonius turbine in Watertight workflow meshing
Mastering COMSOL: sound absorption coefficient BIiot Allard model
Переглядів 63810 місяців тому
Mastering COMSOL: sound absorption coefficient BIiot Allard model
Mastering COMSOL: Acoustic Impedance JCA theory
Переглядів 88210 місяців тому
Mastering COMSOL: Acoustic Impedance JCA theory
صفر تا صد کامسول: قسمت ششم (COMSOL Persian)
Переглядів 23311 місяців тому
صفر تا صد کامسول: قسمت ششم (COMSOL Persian)
Mastering COMSOL: Thermoviscous acoustics part II
Переглядів 46711 місяців тому
Mastering COMSOL: Thermoviscous acoustics part II
Mastering COMSL: Thermoviscous acoustics (Part I)
Переглядів 52611 місяців тому
Mastering COMSL: Thermoviscous acoustics (Part I)
ANSYS tips: change number of processors (cpu)
Переглядів 2,1 тис.11 місяців тому
ANSYS tips: change number of processors (cpu)
Mastering COMSOL: Cut line and cut point
Переглядів 1,7 тис.Рік тому
Mastering COMSOL: Cut line and cut point

КОМЕНТАРІ

  • @-EdiSurantaSembiring
    @-EdiSurantaSembiring 2 дні тому

    YO BRO, CAN YOU DO SIMULATION ABOUT FREEZER OF FISH INSIDE BOX WITH TRANSIENT FLUENT USING R134A

    • @caewitharminhashemi
      @caewitharminhashemi 2 дні тому

      @@-EdiSurantaSembiringhello, If required by the company, I can complete the task within one or two months.

  • @BOUVANESH
    @BOUVANESH 3 дні тому

    Can we solve same TL problem with mean velocity in ANSYS Harmonic acoustic, If yes can u share the details or video please.

    • @caewitharminhashemi
      @caewitharminhashemi 3 дні тому

      @@BOUVANESH hello. I performed this simulation with comsol and you can find it in my Playlist. Unfortunately, I haven't performed it with ansys.

  • @priyankasuryawanshi566
    @priyankasuryawanshi566 9 днів тому

    Hello sir, i have a query like in this instead of using port boundary condition, if i want to use the PML and Background pressure field in 3 D (Like it is done in comsol tutorial of porous absorber in 2D) what are the changes are required in the model?

    • @caewitharminhashemi
      @caewitharminhashemi 9 днів тому

      Hello, As i split the body and specify poroacoustics, you need to separate the cylinder and add a background pressure and PML because they are domain. This process is the same as this example, except you have to specify PML and background pressure instead of poroacoustics domain.

    • @priyankasuryawanshi566
      @priyankasuryawanshi566 7 днів тому

      @@caewitharminhashemi yes sir, thank you i did that. now again we have to give port boundary to calculate absorption coefficient or any other additional variable or setting required?

    • @caewitharminhashemi
      @caewitharminhashemi 6 днів тому

      You cannot use port and background preesue simultaneously. Using port is more simple than background preusse to calculate absorption coefficient

  • @nazaninkarimisedigh5992
    @nazaninkarimisedigh5992 19 днів тому

    Thank you for this good tutorial. What is the name of the space where meshing was done? For me in Wordbench it only shows Ansys Meshing.

    • @caewitharminhashemi
      @caewitharminhashemi 19 днів тому

      @@nazaninkarimisedigh5992 you're welcome. This is watertight workflow. You can find it in Fluent with fluent meshing

  • @Aarones-wv6hf
    @Aarones-wv6hf 23 дні тому

    Thank you for the tutorial. This is really helpful. When I'm processing the final data I get a message saying 'Data set x-axis is not in increasing order' when I click on fast fourier transform. I did increase the number of time steps but I doubt that's what's happening

    • @caewitharminhashemi
      @caewitharminhashemi 23 дні тому

      Hello. Unfortunately, I have not encountered this error yet.

  • @AydaBouaziz-lj8wp
    @AydaBouaziz-lj8wp 24 дні тому

    Hello Dr I want an example that treats the J integral of composite in comsol

    • @caewitharminhashemi
      @caewitharminhashemi 24 дні тому

      @@AydaBouaziz-lj8wp hello. One day, I will record a video

    • @AydaBouaziz-lj8wp
      @AydaBouaziz-lj8wp 23 дні тому

      @caewitharminhashemi It would great if you could apply J integral in case of 3D also

  • @ابراهیمحسنی-م5ش
    @ابراهیمحسنی-م5ش 28 днів тому

    اگه امکانش هست یک آموزش فارسی در مورد شبیه سازی فاضلاب خانگی بزارید که مثلا مقاسیه دو نوع سیفون و اینکه مثلا به لوله های رایزر توی چند طبقه ریخته میشه توی آموزش های فارسی هم این نیست ممنون

    • @caewitharminhashemi
      @caewitharminhashemi 28 днів тому

      @@ابراهیمحسنی-م5ش این مثال‌ها تخصصی هستند و اصولا آموزش ندارند. خیلی هم زمان‌بر هستند. مسائلی که گذاشتم تخصص خودم است و قبلآ کار کردم

  • @ابراهیمحسنی-م5ش
    @ابراهیمحسنی-م5ش 28 днів тому

    سلام لطفا آموزش های فارسی انسیس فلئونت هم بزارید ممنون

    • @caewitharminhashemi
      @caewitharminhashemi 28 днів тому

      @@ابراهیمحسنی-م5ش سلام، متاسفانه فارسی اصلا بیننده نداره. برای همین ویدئوها انگلیسی هستند. البته زیرنویس فارسی دارند. هرکدام که نداشت شما بگید تا زیرنویس فارسی هم اضافه کنم

    • @ابراهیمحسنی-م5ش
      @ابراهیمحسنی-م5ش 28 днів тому

      @@caewitharminhashemi ممنون حرفتون درست ولی خوب دراز مدت هم بعد نمیشه همین ها رو ترجمه کنید به هر حالل ممنون

    • @caewitharminhashemi
      @caewitharminhashemi 24 дні тому

      @@ابراهیمحسنی-م5ش اکثر ویدئوها زیرنویس فارسی دارند. فعلا امکان دوبله ویدئوها نیست. اگر یوتیوب اضافه کنه حتما این کار را میکنم

  • @aminghasemzadeh5462
    @aminghasemzadeh5462 Місяць тому

    سلام وقت به خیر درباره نحوه نمایش همزمان نمودارها در یک دستگاه مختصات نیاز به راهنمایی داشتم اگر راهنمایی بفرمایید ممنون میشم تشکر

    • @caewitharminhashemi
      @caewitharminhashemi Місяць тому

      @@aminghasemzadeh5462 سلام، می‌توانید از چند Global یا مثلا point graph در یک 1d plot group استفاده کنید

  • @allan-zw1vb
    @allan-zw1vb Місяць тому

    nice job, thank you

  • @muhammadfadil8855
    @muhammadfadil8855 Місяць тому

    Can u make this to implemention on plate or sandwich geometry ?

  • @RobineSabat
    @RobineSabat Місяць тому

    Hello, thank you for the tutorial. I made the same instructions as in the video but in the configure part I see that the interface between the two cylinders is defined as walls. What can be the problem please?

    • @caewitharminhashemi
      @caewitharminhashemi Місяць тому

      @@RobineSabat hello, you're welcome. In mesh, describe section, you have to set fluid fluid interfaces to no walls. Watch 5:20

    • @RobineSabat
      @RobineSabat Місяць тому

      @@caewitharminhashemi Yes, I chose yes for "Change all fluid-fluid boundary types from wall to internal", and I still have the same problem :(

    • @caewitharminhashemi
      @caewitharminhashemi Місяць тому

      @RobineSabat change walls to interface from setup

    • @RobineSabat
      @RobineSabat Місяць тому

      @@caewitharminhashemi Thank you so much. I appreciate it!

    • @caewitharminhashemi
      @caewitharminhashemi Місяць тому

      @RobineSabat happy to help

  • @이승현-r8i6g
    @이승현-r8i6g Місяць тому

    How can I analyze a shape that has thickness, like a hollow pipe? In your video, it seems like the shape is modeled without thickness, but what I need to analyze is a pipe-like structure with thickness. Also, in my model, there is no surface for excitation. How can I resolve this issue? I want to know that .. please😢

    • @caewitharminhashemi
      @caewitharminhashemi Місяць тому

      @@이승현-r8i6g there are many videos about it in UA-cam. You can find this analysis in Heat exchanger examples

  • @MAJIDMOHAMMADI-tg7eq
    @MAJIDMOHAMMADI-tg7eq Місяць тому

    سلام وقت بخیر. من میخاستم یک MPP شبیه سازی کنم با شرایط خاصی. مثلا اندازه سوراخ ها ، قطر سوراخ ها، و شکل سوراخ هارو تنظیم کنم. این ویدیو تنها ویدیویی هست که پیدا کردم ولی با توجه به این ویدیو نمیتونم کار کنم. خیلی از چیزهارو بیان نمیکنین و برای کسی مثل من امکان کار نیست. اگر امکانش هست یک ویدیو بسازین و ضریب جذب صوتی یک نمونه کامپوزیتی را با پارامترهای فیزیکی خاص توضیح بدین و همچنین تغییر شکل ظاهری نمونه. بسیار نیاز دارم برای پروژم اگر انجام بدین بسیار ممنون میشم .

    • @caewitharminhashemi
      @caewitharminhashemi Місяць тому

      @@MAJIDMOHAMMADI-tg7eq ممنون. پاسخ شما را می‌دهم

  • @guillemdesantespascual1905
    @guillemdesantespascual1905 Місяць тому

    Outstanding video, thanks a lot

  • @wanderer8151
    @wanderer8151 Місяць тому

    I request you to please make one video on simulation of ultra open acoustic metamaterial.

  • @bularak22
    @bularak22 Місяць тому

    Hi, could you create a tutorial video for a micro-perforated panel? Thanks

    • @caewitharminhashemi
      @caewitharminhashemi Місяць тому

      @@bularak22 hello It's simple. You can find it in boundaries

    • @bularak22
      @bularak22 Місяць тому

      I’m really a beginner with ANSYS. Could you please make a tutorial video for it? I saw a comment where someone else requested it as well.

    • @caewitharminhashemi
      @caewitharminhashemi Місяць тому

      @bularak22 okay

    • @bularak22
      @bularak22 Місяць тому

      @@caewitharminhashemi thank you. I really appreciate your response

  • @GarshaspKeyvan
    @GarshaspKeyvan 2 місяці тому

    Hello Dr. Hashemi I am trying to plot a 2D chart of stress along the X lengh of multi layered composite. I want to have stress evaluated along the X axis. however, I am using cutline 2d-3d or cut plane 2d-3d and a line table or point table but still cannot exactly plot the data that I need. ba sepas

    • @caewitharminhashemi
      @caewitharminhashemi 2 місяці тому

      @@GarshaspKeyvan hello Unfortunately, I haven't tried to plot this results before.

  • @NEW-TECH2023
    @NEW-TECH2023 2 місяці тому

    Nice job

  • @GaddamAshok-j2p
    @GaddamAshok-j2p 2 місяці тому

    hii sir. i am ashok from India. i need your help regarding the my PhD work. can you give your details. i will contact sir

  • @GaddamAshok-j2p
    @GaddamAshok-j2p 2 місяці тому

    hiii sir . i am india, i need your regarding the my PhD work. please can you give the your contact details.. i will contact sir

    • @caewitharminhashemi
      @caewitharminhashemi 2 місяці тому

      @@GaddamAshok-j2p hello. Armin.hashemi.k@gmail.com

    • @ashokgaddam3785
      @ashokgaddam3785 2 місяці тому

      ​@@caewitharminhashemi I'm send gmail please reply

  • @muhammadfadil761
    @muhammadfadil761 2 місяці тому

    will it look like a sandwich from the geometry side? Sorry sir, I see from the video above, it doesn't look like 2 layers like you made.

    • @caewitharminhashemi
      @caewitharminhashemi 2 місяці тому

      @@muhammadfadil761 it's not my speciality. My fields are sound and vibrations

    • @muhammadfadil761
      @muhammadfadil761 2 місяці тому

      @@caewitharminhashemi Do u have WhatsApp sir ?

  • @TheyCallMeApplePie
    @TheyCallMeApplePie 2 місяці тому

    Thank you for the 2nd part. I appreciate 🙏

  • @TheyCallMeApplePie
    @TheyCallMeApplePie 2 місяці тому

    Waiting for part 2. Thanks!!! 😊

    • @caewitharminhashemi
      @caewitharminhashemi 2 місяці тому

      @@TheyCallMeApplePie you're welcome. I'll upload it soon.

  • @MVBMOHDSHADAB
    @MVBMOHDSHADAB 2 місяці тому

    Sir I want to ask that if we have a Cylindrical array both in X and Y axis Having point/Surface contact between them . Then how can we select the unit cell out of entire geometry to apply the periodic boundary condition. basically what is criteria to select unit cell ? in your case there is distance between two cell but in my case there is no gap. Please help me out.

    • @caewitharminhashemi
      @caewitharminhashemi 2 місяці тому

      @@MVBMOHDSHADAB I don't know. I'm not experienced in metamaterials.

  • @-AJatinsai
    @-AJatinsai 2 місяці тому

    hello! Tq very much . I have encountered the same error that u got as undefined variable .It would be grateful if you could share how you overcomed it.

    • @caewitharminhashemi
      @caewitharminhashemi 2 місяці тому

      @@-AJatinsai hello Which error? I don't remember

    • @-AJatinsai
      @-AJatinsai 2 місяці тому

      ​@@caewitharminhashemi the error which encountered of undefined variable during transmission loss at 13:32

    • @caewitharminhashemi
      @caewitharminhashemi 2 місяці тому

      @@-AJatinsai you should update solution after adding variables

    • @-AJatinsai
      @-AJatinsai 2 місяці тому

      @@caewitharminhashemi sir whereas I was able to plot reflection coefficient

  • @arthisp6803
    @arthisp6803 3 місяці тому

    Hello sir, can u give idea about how to study MPP.

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      @@arthisp6803 Hi, I don't understand what you mean. You can find interior perforated panel in boundaries

    • @arthisp6803
      @arthisp6803 3 місяці тому

      @@caewitharminhashemi It's Micro-perforated panels in an impedance tube. Working using transfer function.

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      @@arthisp6803 it's a little complicated. You need two probes and interior perforated panel.

  • @やや-j9u
    @やや-j9u 3 місяці тому

    This is a different model, but I am currently using comsol to analyze STL due to thin film vibration. I would like to ask you a few questions, is that ok? I'm waiting for your reply.

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      @@やや-j9u hello. Of course

    • @やや-j9u
      @やや-j9u 3 місяці тому

      @@caewitharminhashemi Can you tell me your email if you don't mind so I can send you a picture?

  • @shantanuvedpathak-e2w
    @shantanuvedpathak-e2w 3 місяці тому

    hello sir, after clicking on solve it is giving me this error "The Program Controlled Far-field Radiation Surface detection option chosen in the Analysis Settings could not find any surfaces that are a part of Absorption Element/Surface, Impedance/Radiation boundaries or Artificially Matched Layers interface. The post processor will not be able to evaluate Far Field results." how to solve this.

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      Hello, this is just a warning and is not important. Don't worry, it won't affect your solution.

  • @muhammadfadil761
    @muhammadfadil761 3 місяці тому

    Can i use the variable and paramater if i analys noise barrier highspeed train ?

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      Yes, You can use them in all simulations.

    • @muhammadfadil761
      @muhammadfadil761 3 місяці тому

      @@caewitharminhashemi can u help me sir. how to simulate noise barrier with train noise ? that is, how the noise from the train can be absorbed by the barrier. Can i use the method in the video above to simulate it ? or do u have another releveant video ?

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      @@muhammadfadil761 if you need to investigate the effect of noise barrier pattern, you have to model it in 3D. 2D model is accurate for non perforated baffles with simple shapes.

    • @muhammadfadil761
      @muhammadfadil761 3 місяці тому

      @@caewitharminhashemi I have created my 3D model, sir. Does that mean I can follow the method above for my case?

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      @@muhammadfadil761 yes. Follow these steps. The only difference is that you have to choose 3D space

  • @MVBMOHDSHADAB
    @MVBMOHDSHADAB 3 місяці тому

    Dear Armin, can you explain How do plot Average pressure versus frequency 1D plot. Like calculated in comsol acoustic library "Helmholz resonator solver ".

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      @@MVBMOHDSHADAB hello, Average pressure over a surface? You can use average integration in non local coupling. Find it by right clicking on definitions.

    • @MVBMOHDSHADAB
      @MVBMOHDSHADAB 3 місяці тому

      @@caewitharminhashemi As far as this geometry is concern you used unite operation therefore cannot choose the resonator ( upper cylinder) only. That is my concern. Because Average pressure p_avg=intop1(abs(p)/Vol) here Vol and abs(p) are two variables that we need to provide P can be found by providing the Pressure boundary condition and Vol can be calculated by integrating over the entire domain.

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      @@MVBMOHDSHADAB I think it's better to use partition boolean and split geometry with a plane. Also, It doesn't affect the results.

    • @MVBMOHDSHADAB
      @MVBMOHDSHADAB 3 місяці тому

      @@caewitharminhashemi ohh. Thanks you . I got the point . Now i can try this. If it works i let you know.

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      @@MVBMOHDSHADAB you're welcome

  • @TheyCallMeApplePie
    @TheyCallMeApplePie 3 місяці тому

    Hello, I want to say that this example is spectacular! I was wondering if you would make a model showing how acoustic wave model works in fluent?

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      @@TheyCallMeApplePie hello, thank you for your suggestion. I will record it in my spare time

  • @aminghasemzadeh5462
    @aminghasemzadeh5462 3 місяці тому

    سلام وقت به خیر جناب هاشمی تشکر بابت کلیپ‌های آموزشی امکانش هست آموزش شبیه‌سازی مبدل اولتراسونیک تانپیلز رو هم آموزش بدید؟ شما تدریس شخصی یا پروژه هم انجام می‌دهید؟

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      @@aminghasemzadeh5462 سلام خواهش میکنم. اگر وقت آزاد شد حتما.

    • @aminghasemzadeh5462
      @aminghasemzadeh5462 3 місяці тому

      @@caewitharminhashemi بسیار عالی موضوع پایان نامه بنده طراحی یک مبدل تانپیلز هست من مبدل رو با مدار معادل شرمن باتلر بهینه سازی کردم که بیشترین پهنای باند رو داشته باشه بعد مبدل بهینه شده رو با روش مدار معادل میسون مدلسازی کردم الان باید مبدل رو تو کامسول شبیه‌سازی کنم اگر ممکنه می‌خواستم از شما راهنمایی و کمک بگیرم تشکر

    • @caewitharminhashemi
      @caewitharminhashemi 3 місяці тому

      @@aminghasemzadeh5462 من زیاد آشنایی با کار شما ندارم. ولی ایمیل و تلگرام من توی سایت هست. میتونید پیام بدید

  • @zahraelyasvand6056
    @zahraelyasvand6056 4 місяці тому

    👌👌👌

  • @muhammadnisarqasim636
    @muhammadnisarqasim636 4 місяці тому

    sir please suggest me channel where i can learn electrodynamics Physics using Comsol software.

    • @caewitharminhashemi
      @caewitharminhashemi 4 місяці тому

      @@muhammadnisarqasim636 Hello, unfortunately, I don't know. My expertise is in mechanics, so it would be better to consult someone with a background in electronics.

  • @SumandeepSinghRana
    @SumandeepSinghRana 4 місяці тому

    Hi sir, i am learning from this but if i change the material property of my sample, the results are not changing. Both air and sample are part of acoustic region. Should i select sample also when i am creating port. thank you

    • @caewitharminhashemi
      @caewitharminhashemi 4 місяці тому

      Hello. The absorption coefficient in the JCA model depends on five parameters. If you adjust any of these parameters, the results will change accordingly.

    • @SumandeepSinghRana
      @SumandeepSinghRana 4 місяці тому

      @@caewitharminhashemi Thanks for the reply and this video. I was searching for a tutorial in internet. This video helped me to learn numerical simulation.

    • @caewitharminhashemi
      @caewitharminhashemi 4 місяці тому

      @@SumandeepSinghRana you're welcome.

  • @the24thintrovert
    @the24thintrovert 4 місяці тому

    Please make a video on evaporative cooling also

  • @the24thintrovert
    @the24thintrovert 4 місяці тому

    Nice video

  • @BhaveshTavte
    @BhaveshTavte 4 місяці тому

    how did you set the co-ordinates for the recivers to locate over the propeller can you help me sir or anyone who knows that thing

    • @caewitharminhashemi
      @caewitharminhashemi 4 місяці тому

      There is a circle with a diameter of 2 meters, which is far from the center of the propeller.

  • @k.m3129
    @k.m3129 4 місяці тому

    can you use this method in heat and mass transfer and drying problems?

    • @caewitharminhashemi
      @caewitharminhashemi 4 місяці тому

      @@k.m3129 of course, I will record a video about it in the future

  • @abderrahimbarhoumi9003
    @abderrahimbarhoumi9003 4 місяці тому

    I want to thank you for your interesting content and would like to ask for your help in modeling carbon nanotubes on Comsol Multiphysics.

    • @caewitharminhashemi
      @caewitharminhashemi 4 місяці тому

      @@abderrahimbarhoumi9003 you're welcome. I haven't any experience in nanotubes. If your model is prepare and has some issues, email it to me and I'll check it

  • @PriyankaSuryawanshi-if7du
    @PriyankaSuryawanshi-if7du 5 місяців тому

    Hello sir, if i want to include the transmission coefficient of this barrier in the simulation how can i add it...what are the changes required while simulating.

    • @caewitharminhashemi
      @caewitharminhashemi 5 місяців тому

      Hello. I haven't calculated before. You should look up in books.

    • @PriyankaSuryawanshi-if7du
      @PriyankaSuryawanshi-if7du 5 місяців тому

      @@caewitharminhashemi Yes sir analytically i can do. Thanks for your guidance.

  • @gabrielhernandezrozo1737
    @gabrielhernandezrozo1737 5 місяців тому

    Hi Armin. How's everything? The video is very good. I would like to ask for a video suggestion: validation of the acoustic simulation (Pressure Acoustic) from the article entitled: "Simulation of Partial Discharge Acoustic Wave Propagation Using COMSOL Multiphysics and Its Location in a Model Transformer Tank". Thank you so much!

    • @caewitharminhashemi
      @caewitharminhashemi 5 місяців тому

      Hallo. Thank you for your suggestion. These models are very time-consuming and have few viewers because they are specialized.

    • @gabrielhernandezrozo1737
      @gabrielhernandezrozo1737 5 місяців тому

      @@caewitharminhashemi Thank you very much for your attention! <3

  • @muteki1408
    @muteki1408 5 місяців тому

    Superb tutorial thank you very much! I have some problem where the SPL results in CFD-post are showing negative values, which is unexpected. My simulation setup is exactly the same as yours and I used the DJI propeller blade as well. I've been searching for solution for quite a while and the only answer I've got is that I have to change the reference pressure. So I tried 3 different reference pressure: 0 Pa, 20 micro Pa and 1 bar but the SPL results are still negative. Could you please give me some guidance on this matter? Thank you very much!

    • @caewitharminhashemi
      @caewitharminhashemi 5 місяців тому

      Hello. Check yplus it must be below 2. What is your fluid model?

  • @PriyankaSuryawanshi-if7du
    @PriyankaSuryawanshi-if7du 5 місяців тому

    Hi sir, while going through one research paper on barrier simulation, source was defined outside the domain and scattered field formation was given to define distribution of noise inside the domain..will you pls tell how to give that kind of condition?

    • @caewitharminhashemi
      @caewitharminhashemi 5 місяців тому

      Hello. I did understand. What do you mean source is outside the domain?

  • @chris57926
    @chris57926 5 місяців тому

    Great tutorial! Thank you!

  • @juanmanuelorlandomelidoni9110
    @juanmanuelorlandomelidoni9110 5 місяців тому

    Hi, I do exactly the same steps as you do and i get this error "The input power at the driven port is equal to zero. Please check the port definitions." Do you know what might be causing it?

    • @caewitharminhashemi
      @caewitharminhashemi 5 місяців тому

      @@juanmanuelorlandomelidoni9110 I think you forgot to enter pressure amplitude in the inlet port

    • @juanmanuelorlandomelidoni9110
      @juanmanuelorlandomelidoni9110 5 місяців тому

      @@caewitharminhashemi No its defined as 1Pa

    • @caewitharminhashemi
      @caewitharminhashemi 5 місяців тому

      @@juanmanuelorlandomelidoni9110 unfortunately I have no idea

  • @sapekdin7
    @sapekdin7 6 місяців тому

    Can you do the video about the material sweep please? Thank you.

    • @caewitharminhashemi
      @caewitharminhashemi 6 місяців тому

      Of course. I have a video but it needs edit. I'll upload it ASAP

  • @nurulsyafina1086
    @nurulsyafina1086 6 місяців тому

    Hi sir, you mention that the other cylinder have rigid boundaries. So, do we need to apply rigid wall on its surfaces?

    • @caewitharminhashemi
      @caewitharminhashemi 6 місяців тому

      All boundaries are rigid by default in acoustics system. No need to define rigid boundaries

    • @nurulsyafina1086
      @nurulsyafina1086 6 місяців тому

      Another question sir. Is it possible if i apply surface velocity and radiation boundary at the inlet face? Or we can ignore it?

    • @caewitharminhashemi
      @caewitharminhashemi 6 місяців тому

      @@nurulsyafina1086 absorption coefficient is independent of inlet. Port boundary is defined to calculate absorption coefficient and no need to other boundaries