Why Pressure distrution study is important for Tall buildings <200 m ?

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...

08 September 2018 9,767 0 View

Standard deviation error in Fluent?

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...

07 August 2018 2,538 0 View

Why most of the wind engineering problems are solved by steady RANS models?

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...

07 August 2018 4,585 5 View

How to make surafce points in ANSYS FLUENT USING Excel?

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...

03 April 2018 7,832 0 View

How to write each time step of pressure coefficent in ansys fluent using %t.txt?

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...

03 April 2018 6,153 0 View

Building simulation, I recently simulated open terrain profile using IDDES and DDES turbulence model.?

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...

07 August 2017 3,295 3 View

How to find Cd mean and Cl rms in ANSYS fluent?

09 October 2016 9,189 2 View

How to switch IDDES ( improved delayed detached eddy simulation )in ansys fluent?

07 August 2016 7,356 0 View

How to relate the strouhal number FFT fluent to manual calculation St= FD/V?

02 March 2016 839 5 View

How to justify this coefficient of pressure (Cp) in this Building ?

02 March 2016 3,290 7 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

Can Virtual Servers (remote dekstop manager) run heavy ANSYS Fluent CFD simulation ?

I have a virtual machine. My host Pc specs are not that good thats why i went for virtual servers. so basically my host pc has 8gb of ram with nvidia quadro k2200 4Gb DDR5 GPU ,processor intel...

01 March 2021 8,415 1 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

Complex wave form in ANSYS?

Is there a way to input wave speed in a complex form on ANSYS? The wave speed I need to assign a material is 325(1+0.11i) however I have been unable to do this thus far. Failing that, is there...

27 February 2021 5,969 1 View

What is the best way to calculate the angles of twist for concrete columns subjected to torsional moment using finite element software?

In Finite element software like ANSYS , there is difficulty in obtaining direct results of twisting of concrete members because SOLID65 which is the unique element designed to represent concrete...

26 February 2021 3,806 2 View