Is there any benchmark model for 3D building under seismic excitation ?

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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

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 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

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

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

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

Timothy Huff

SeismoSoft (www.seismosoft.com) provides a suite of earthquake engineering programs free for academic use. One of the programs, SeismoStruct, includes a Verification Manual with many examples for structures subjected to earthquake ground motions, some of which are 3D. Best of luck to you.