Should I use Pressure Based Solver or a Density-Based Solver?

Dear researchers, I want to simulate a flow (air) in a wind tunnel, and I want to integrate a fluidic actuator inside it in order to control the separation of the boundary layer. At the blower...

22 February 2021 4,882 3 View

What are the physical properties of the semi-transparent solar cell ?

Dear all, Can semi-transparent photovoltaic cells generate significant electrical power even though its transmission coefficient is high ?, and what are the physical properties (Thermal and...

03 May 2020 7,506 3 View

How to plot Load vs. Displacement in ANSYS explicit or LS-DYNA ?

Please, I would like to know how I can plot Load vs. Displacement in ANSYS Workbench (Explicit or LS-DYNA module) Thank you.

06 March 2019 3,826 3 View

What are the new opportunities offered in live sciences?

Looking for new opportunities in life science.

13 December 2018 1,524 1 View

How do I find original study on plant extract rich in phenolic acids?

I have a plant extract rich in phenolic acids and I want to study its biological activities. What are the activities that you advise me to study?

11 December 2018 3,994 5 View

What is the best animal model for studying the healing activity of extracts or oils (fixed or essential)?

I want to study the healing activity of extracts and oils (fixed or essential). What is the animal model that you advise me to carry out this study? is it the rat or the rabbit?

27 November 2018 8,973 2 View

What is the most appropriate animal model for humans to study the biological and pharmacological activities of natural substances?

what is the most appropriate animal model for humans to study the biological and pharmacological activities of natural substances?

26 November 2018 4,523 3 View

How to create a source of type sinc in ADS software (Advanced design system) ?

Can you help me create a source of type sinc in ADS I found a mathematical function that plays the role (picture 1) but I do not know how to use it ? thank you in advance

12 May 2018 7,327 1 View

Is there any difference between Buongiorno's and Tiwari - Das's nanofluid models ?

Salam; Is there any difference between Buongiorno's and Tiwari - Das's nanofluid models for Cf and Nu in the case of Natural convection flow , when the fraction of nanoparticles is < 4%

08 February 2018 9,712 6 View

Basic psychological needs instruments?

Im doing a research on the relationship between BPNs and student engagement in higher education level (undergraduates). could anyone suggests me the most useful instruments for measuring basic...

19 January 2018 6,485 3 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

Blast analysis of RC,UHPC slabs using material model *MAT_72R3 in LS-DYNA?

20 February 2021 5,984 3 View

Which software is the best to model a non-linear concrete (ABAQUS, ANSYS,ADINA, ATENA, etc.)?

What is the best finite element modeling software packages for modeling non-linear and fracture analysis of CONCRETE? I've had some with ABAQUS standart/explicit, but I would like to learn if...

27 January 2021 330 6 View

Do you have any suggestions for me to modify my LS-DYNA model?

Hi, I use LS-DYNA to simulate the steel composite shear wall now. I use MAT_084/085 to simulate concrete, MAT_159 to simulate steel plates, and MAT_024 to simulate studs. The concrete section...

24 January 2021 3,863 1 View

I am trying to run a simulation on LS-Dyna and I am facing the error below with Nodal rigid constraints. Can anyone tell how to fix it?

*** Error 20393 (STR+393) Nodal rigid body ID 85000010 contains node ID 83500180 already used in a rigid body/nodal rigid body definition.

20 January 2021 2,019 1 View

Do we need to keep looking for the fracture angle after the Puck's failure initiation is reached?

Greetings to everyone, Our team is currently working on the development of a VUMAT code in Abaqus for composite modelling using the Puck's failure theory as damage initiation criteria. Currently...

20 January 2021 6,367 1 View

Fracture energy of concrete at sub-zero temperatures?

Both tensile and compressive strengths of concrete increase with the decrease in temperature. With this in mind and considering that fracture energy is in direct correlation with the so-called...

18 January 2021 8,778 4 View

Permeability of fractured reservoirs?

Hi all, What I know the permeability of matrix and fracture can be in a broad range in fractured reservoirs. Am looking for the most usual range for their permeability separately. I will be highly...

15 January 2021 5,271 2 View

Why the fracture energy of concrete increases with the rise in temperature?

Given the degradation of mechanical properties in concrete under elevated temperature namely, tensile strength, modulus of elasticity, compressive strength, etc., what is the justification behind...

15 January 2021 3,651 4 View

Crack definition at symmetry plane?

How to define a crack at symmetry plane? Is it right idea? Crack seam we cant specify at symmetry edge (As crack seam can be specified at interior face of 2D). How to handle this type of...

26 December 2020 2,437 4 View