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Questions related from Rajasekarababu Kb
Buildings are made of concrete (Strong and stiff) then why wind load are much important for tall buildings. Why builders are looking wind loads on tall building. Can any one explain in detail...
09 September 2018 9,826 0 View
Hello, I am simulating circular cylinder, i want to extract standard deviation of a Cp on a surface, I projected point over the cylinder and i report and save the file in the folder. But my...
08 August 2018 2,638 0 View
I have a question on wind flow around the building using CFD. Why the most of the people are using steady RANS (RANS) models instead of Transient (URANS and LES). The flow will be stochastic...
08 August 2018 4,637 5 View
Hai Every one, I have a question about surface points in ANSYS FLUENT 18. I know I could input the coordinates in the surface->points option. But I have more than 200 points to monitor.it...
04 April 2018 7,900 0 View
Hi, Every one, I am trying to write each time step of pressure coefficent uisng macros in ANSYS FLUENT in my model. After long serach and i found one document (ATTACHED) ,which mentioned like...
04 April 2018 6,212 0 View
i gave my first cell height is 0.0020 accordingly with roughness measurements (0.0019) Ks< first cell height. Can i run this model in LES. ( Model height is 0.7 , width is 0.15m and Domain...
08 August 2017 3,348 3 View
Hi, I saw some of the paper mentions Cd mean and Cl rms coefficients, I dont know how to switch in ANSYS fluent. help me to switch or please explain about it. I attached a image for your refernce...
10 October 2016 9,411 2 View
Hi, I want to switch IDDES in fluent. Any one help me to switch this in ANSYS Fluent 16. Looking Forward.
08 August 2016 7,457 0 View
Hi, I have done DES simulation on tall building structures. In this simulation, Cp[ PRESSURE COEFFICIENT] contours and Graph are showing in negative sign. Is the simulation is correct? Please...
03 March 2016 3,344 7 View
Hi, I am doing 2D flow simulation in Ansys Fluent. In Circular cylinder with small Rivulet. IN this case how to find Cl and Cd in Fluent reports.I attached the fluent report picture Lift and...
03 March 2016 4,837 0 View
I found some errors creating ABL in Fluent. Just i given a value of roughness 0.4 [m].In wall roughness length. It is correct method to create ABL. Are any method to follow. I request you to...
03 March 2016 9,467 4 View
Hi, my analysis is on cables, I found that St = 0.4 in fluent FFT using (Power spectral density) and Frequency is 7.75 Hz. But calculating manually i am getting 0.06 = St. (D=0.155, V= 18 m/s,...
03 March 2016 906 5 View
Hi, I am analyzing vortex shedding over an different 2d shapes. I have ansys 16 version (repsetvar 'les-2d? #t) TUI command is invalid.Please help to switch LES 2d in ANSYS 16 version.
02 February 2016 3,260 10 View
Hi, I am doing simple 3d circular cylinder in fluent. I get Cl and Cd is zero, Some one suggest me to change force vector,I am getting results,But in some analysis are monitoring X=1,Y=1,Z=1 in...
12 December 2015 8,797 4 View
Please list out aerodynamics advantage and disadvantages of irregular shape tall structures and buildings.
10 October 2015 4,760 0 View
I want to simulate eddies behind the circle with different colors. Please help to made me like that in the picture attached. Thank you in advance, Looking forward.
09 September 2015 3,301 1 View
Hello, I want to do LES model in fluent 14.5. I dont know how to give the condition in 14.5 version of fluent. Please any one give me the condition and explain about this..
09 September 2015 8,622 0 View
hai, i am doing research on vortex shedding on cylinders,I want to find STROUHAL NUMBER using FFT in fluent.In literature St.no is 0.17-0.18. But my computation result shows 1.4-1.6. i attach my...
09 September 2015 8,406 14 View
I am doing a flow analysis in a circular cylinder with rivulets.In the options of ANSYS-Fluent module,I find a parameter (Cm) .What is the physical significance of this parameter?What is the...
09 September 2015 7,256 0 View
09 September 2015 4,767 0 View
Hai, I am doing 10 storey building analysis, I am new in this domain, I dont know what are the parameters considered in boundary conditions, And What are the out put expect from fluent after...
08 August 2015 4,714 3 View
some edge or face size controls have smaller values than default defeaturing tolerance mesh entities generated with these size control will not defeatured plz solve this problem
08 August 2015 551 0 View
I had my simulation of ellipse with the dimension of Major axis=5m amd minor axis= 0.2m and i get contours and all the things, I don't know how to find strouhal number in this graph. please help...
08 August 2015 9,747 4 View
Hai, I doing Research in slender structures, I want to rotate cylinder in the domain Please guide me to do,
07 July 2015 471 7 View
Hai, now i want to work on wind loads, ansys customize tool is having that type of option in the menu... so plz help to get ,,..
05 May 2015 7,273 1 View
Hai, I doing wind force analysis in ansys, I want to simulate the wind force and deflection on structures at same time, I know the fluent but it gives Pressure and Velocity contours, But some...
04 April 2015 2,207 1 View
I would like to do wind excitation on slender statures in ANSYS.
04 April 2015 3,596 3 View
I am trying to analysis wind loads on structures, But ANSYS Customization Suite having that option on ansys. so i want to learn,
04 April 2015 5,476 0 View
