Error defining reference node for fluid cavity in abaqus?

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How can I Change the file type of Standard / Explicit module to fluid of abaqus CAE?

I had import my standard module model into the fluid module but it turns out blank in the fluid module. So basically what can I do to change the standard module into fluid module

19 February 2020 9,965 1 View

How can I Change the file type of Standard / Explicit module to fluid of abaqus CAE?

I had import my standard module model into the fluid module but it turns out blank in the fluid module. So basically what can I do to change the standard module into fluid module

01 February 2020 5,133 1 View

FEM for Mininum Quantity Lubrication (MQL) assisted milling process of Inconel 718

Im currently using Abaqus to do my project. How can I apply MQL at the cutting surface in abaqus? By setting boundary condition? Or what?

01 January 1970 4,036 1 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

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 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

How to assign different material properties to each element in Abaqus ?

Hello, I am writing a python script to generate my model and write the input file. The problem is I have 1000 elements in my mesh and I want to assign different material properties to each...

01 March 2021 9,511 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View

Romik Khajehtourian

Check out step 11 in the following link:

https://abaqus-docs.mit.edu/2017/English/SIMACAECAERefMap/simacae-t-itnhelpfluidcavity.htm

Best,

Romik

Franz Nikolaus Pölzl

A similar question has been asked and discussed here:

https://www.researchgate.net/post/Why_the_initial_pressure_in_a_fluid_cavity_simulation_in_Abaqus_fall_to_zero_just_at_the_starting_increments

Tianping Gu

Have you solved the problem of RP point have negative volume?