How to do mesh sensitivity in fluid structure interaction?

Hi everyone I want to do simulation of fluid solid interaction. I have a basic question about the mesh sensitivity in fluid structure interaction How to do mesh sensitivity?Is there a mesh...

06 July 2018 1,061 0 View

How to do mesh sensitivity in fluid structure interaction?Is there a mesh sensitivity for each structural and fluid part?

Hi everyone I want to do a simulation of fluid solid interaction. I have a basic question about the mesh sensitivity in fluid structure interaction How to do mesh sensitivity?Is there a mesh...

06 July 2018 4,832 1 View

How to fix geometry in z-axis direction in Ansys structural?

Hi everyone How to fix geometry in z-axis direction While y and z move freely in Ansys structural? Best regards

06 July 2018 3,480 7 View

Simulating blood flow in bioprosthetic heart valve?

Hi everyone Can we consider the flow of blood in the aortic valve of the type low Reynolds turbulence? Best regards

05 June 2018 2,734 3 View

How plot Y plus range in comsol?

How plot Y plus range for turbulent models in comsol?

01 February 2017 5,965 0 View

How do I model vortex in Comsol?

10 November 2016 4,676 0 View

Inverted mesh element near coordinates in comsol?

HiI was confronted with an errors in comsol: 1. inverted mesh element near coordinatesHow do I fix this error? What changes do I apply? 2. In the mesh in comsol,how do I change Skewness criterion...

08 September 2016 10,006 5 View

Can anyone help with this comsol error?

Hi I faced following error in comsol,in fsi simulation and time dependent error is: condition for remeshing fulfilled for initial time My simulation is artifical heart valve in comsol Thanks you

07 August 2016 464 3 View

Can anyone help with this comsol error?

Hi I faced following error in comsol,in fsi simulation and time dependent error is: Failed to find consistent initial values. Last time step is not converged Feature: Time-Dependent Solver...

07 August 2016 6,407 3 View

Y plus range for turbulent models?

Hi in ansys fluent's dacuments it has been said that : (( ANSYS Fluent has taken steps to offer more advanced wall formulations, which allow a consistent mesh refinement without a deterioration of...

07 August 2016 7,751 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

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 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

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 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

Why might my GFP tag be dissociating from my plasmid after transfection?

I have a set of stably transfected cell lines all transfected with plasmids containing GFP tags on the C terminus. During a western blot using anti-GFP antibody, one of my plasmids has dissociated...

01 March 2021 9,310 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View