How to visualize stress in a coating defined by "Skin" in Abaqus?

Hello All! I'm trying to model a contact between a coated substrate and a tip in Abaqus. The coating is ultra-thin compared to the geometry of the substrate. So I defined the coating using the...

16 February 2021 1,594 3 View

Is a Strong correlation between the Moderator variable and the dependent variable an issue for moderation model (model 1) in Hayes PROCESS?

In a typical moderation model with one moderator, is it a problem if the moderator and the dependent variable show a strong correlation (say 0.85)? What if a strong correlation exists between the...

27 January 2021 4,937 4 View

Which syringe filters (e.g., PTFE, MCE, PVDF, CA, PES, etc.) are the best to filter TBS/PBS buffer (pH 7.5-8.5) and glycine buffer (pH 2-3) solutions?

I intend to purify antibodies from serum using the affinity procedure, and I need to filter the binding (TBS/PBS) and elution (Glycine) buffers before applying them to my solution.

06 January 2021 5,769 3 View

Gear reduction for back-drivability of a motor?

Hi everyone, Does anyone know up to what reduction ratio of gear does a motor remain back-drivable? I want my robot to have safe interactions with the environment and other humans. Can you give a...

26 December 2020 7,142 3 View

How to export DigSilent Plots with high quality?

Hi all; I've started using DigSilent these days. However, I'm wondering how can I export the results with high quality the same as MATLAB plots as I currently do. Thanks

19 December 2020 2,666 2 View

How to assign initial stress to a coating in Abaqus?

Hello! I am trying to define/assign initial stress to a coating I modeled on a substrate. I defined the coating using "skin" function. I have tried "predefine filed" in load section. But it only...

10 December 2020 2,921 8 View

How to model a multilayer coating in ABAQUS?

Hello! I'm trying to model a multi-layer coating on a substrate in abaqus. The layers are homogenous and isotropic. My question is how should I approach the modeling? WHAT I'VE TRIED SO FAR: I...

09 December 2020 1,235 3 View

How can I calculate Nusselt number by using this equation (Nu = ht.gradTx * nx + ht.gradTy * ny + ht.gradTz * nz) step by step in COMSOL?

Calculate the Nusselt number using the COMSOL Program

09 December 2020 3,354 3 View

How to calculate sulfur loading of lithium -sulfur batteries using Li2S8 catholyte?

I am gonna use Li2S8 catholyte to introduce active material to cathode instead of using sulfur. May anybody kindly guide me about the way I can calculate the amount of sulfur (g/cm2) loaded on the...

07 December 2020 7,556 2 View

How to great data visualization and what example for it ?

i need explain data visualization and what type it and how great it by excel or other program > paper attached for help

30 November 2020 1,159 2 View

Looking for Materials with high thermal expansion coefficient and high temperature resistance?

03 March 2021 8,272 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

Waters 2707 HPLC autosampler problem?

I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...

02 March 2021 1,408 1 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 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