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6 contributions to CFD Dose
My First UDF.
User Defined Functions (UDFs) are amazing when it comes to defining motion to a boundary or setting complex boundary conditions or material properties. 💡 Coded in C language, UDFs give engineers the flexibility to add more complexity to the problems they are solving. 🔧 I wrote a UDF for a simple case of 2D airfoil simulation to get my hands dirty in the UDF domain of ANSYS Fluent. The UDF rotates the airfoil periodically by +/- 20 degrees, thus periodically varying its angle of attack. ✈️ Watch how the lift and drag forces vary with the motion of the airfoil in the video below. 📽️ https://youtu.be/duv2y70omEk
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New comment Aug 4
My First UDF.
0 likes • Jul 9
@Sadees PalaniVel Yup sure !
1 like • Jul 9
#include "udf.h" #include "math.h" #define AMPLITUDE 20.0 // Amplitude of rotation in degrees #define FREQUENCY 1.0 // Frequency of rotation in Hz DEFINE_CG_MOTION(periodic_rotation_cg, dt, vel, omega, time, dtime) { real theta; // Angle of rotation real omega_z; // Angular velocity in z direction // Calculate the rotation angle (in radians) using sine function theta = AMPLITUDE * sin(2.0 * M_PI * FREQUENCY * time) * M_PI / 180.0; // Calculate the angular velocity in the z direction (dtheta/dt) omega_z = 2.0 * M_PI * FREQUENCY * AMPLITUDE * cos(2.0 * M_PI * FREQUENCY * time) * M_PI / 180.0; // Set the angular velocities about the CG omega[0] = 0.0; // No rotation around x-axis omega[1] = 0.0; // No rotation around y-axis omega[2] = omega_z; // Rotation around z-axis // Print the current angle for debugging purposes printf("\nTime: %g, Rotation Angle (degrees): %g", time, theta * 180.0 / M_PI);}
Coded the solution for 1D General scalar transport equation with zero source term
Hi Connections! This post represents the solution for 1D steady general scalar transport equation with zero source term. The basing differencing scheme was employed to solve the equation and the code was developed on Matlab with the help of Sir Tanmay Agrawals video series: https://lnkd.in/dHBZD7Tx Key understandings from this lecture: 1. Solving PDE with convection and diffusion terms. 2. Importance of Peclet number. 3. Central differencing scheme. 4. Writing the code on Matlab 5. Plotting capabilities on Matlab.
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New comment Jun 1
Coded the solution for 1D General scalar transport equation with zero source term
Solved unsteady 2d heat conduction eqn using MATLAB
Hello community. With the help of Tanmay Agrawals YouTube series:https://lnkd.in/gt639et7 I was able to write the MATALB code to solve the unsteady 2d heat conduction equation with no heat generation. With the help of the code I saved the figures as frames and used clip champ to create the animation and uploaded it on youtube. It was a fun project and I am looking forward to learn more from this channel.
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New comment May 13
Solved unsteady 2d heat conduction eqn using MATLAB
1 like • May 13
1. To develop a code on MATLAB that runs on finite difference method to solve the equation. 2. Realized that uniform grids make computation faster and easier. 3. Learnt to generate frames for animation. 4. Realized the importance of solution stability. 5. Learnt a little bit on contour plotting and sub-plotting. 6. Learnt how to use frames to develop animation on Clipchamp. Things yet to learn. 1. The use of courant number and its effect on stability. 2. Solving Diffusion equation with convection term present. 3. Understanding how FVM works and how to code it on MATLAB 4. Developing animation using MATLAB itself.
Podcast Summary
Hello community!! Checkout my post on linkedin that summarizes Kade Beck's podcast with Sir Akshai Runchal. Do watch the podcast : https://www.youtube.com/watch?v=mtKwx3eWP1U&list=PLHz0zHI2gSeTDosWtVYnL1WBZhFobXd-L Linkedin post : https://www.linkedin.com/posts/prajwaltubki_how-to-become-a-cfd-engineer-akis-insights-activity-7189465718386552832-3MA9?utm_source=share&utm_medium=member_desktop Feel free to comment and add to my learnings in the comment section.
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New comment Apr 26
Podcast Summary
Welcome Aboard CFD Dose - The 1st CFD community on Skool!
Here's the scoop: Working on CFD projects is like being in a rock band but playing gigs in different cities without ever meeting your fans. Sure, LinkedIn's been our stage for a while, and it's cool and all, but Skool? It's the VIP backstage pass we've all been waiting for. It's where we can jam on our projects, share the latest beats, and actually hear what you all think. It's our own CFD festival, and you're already on the guest list. CFD Dose, is all about turning CFD into a blast and a profitable gig for everyone, whether you're just starting out or you've been in the game for ages. I'll be breaking down the complex stuff into fun bits, making sure you can actually enjoy learning and, hey, maybe even start making a profitable business from it. Think of us as your fun-loving CFD guide NOT a lame teacher :) *Heads-up! We may go premium down the line to keep the good times rolling and the perks flowing. _____________________________________________________ 🎥 Subscribe to the following channels to stay up to date: - CFD Dose - CFD4Industry -------------------------------------------------------------------------------------- What to Expect in CFD Dose?! ✅ An enthusiastic and engaging community from all over the planet. 🌍 ✅ Access to SplashFOAM - a dynamic wrapper/GUI for OpenFOAM. ✅ T-Flows Crash Course (TFCC): from basics to guru-level applications. ✅ Latest CFD Literature: regular updates on the freshest CFD studies. ✅ Open source development: Latest updates in open-source CFD. ✅ Academic project ideas: a plethora of ideas for your grad projects. ✅ Monthly CFD virtual coffee: A relaxed, insightful CFD chats. ✅ Resource sharing: Access to top-quality CFD articles and resources. ✅ CFD job opportunities: Land your dream CFD job (updated weekly). ✅ Judgment-free atmosphere: No question is stupid there! ✅ Collaborative projects: working together on real-world CFD projects.
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New comment Apr 30
Welcome Aboard CFD Dose - The 1st CFD community on Skool!
2 likes • Apr 25
Thank you @Mohamed Sayed for the introductory video. It was helpful
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Prajwal Tubki Dessai
3
37points to level up
@prajwal-tubki-dessai-5831
Design stuff for a startup, Interested in traveling, learning eating etc.

Active 25d ago
Joined Apr 24, 2024
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