24 August 2021 1 6K Report

Has anyone any experience in modeling and editing of anatomical models using 3-matic? If so have you used any competing softwares? Were there any big trade-offs for your work?

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How to remove/ replace trifluoroacetate countertop after deprotection?

After deprotection of the tert-butyl ester to generate the carboxylic acid in chloroform with TFA, my compound‘s pyridine moiety forms a TFacetate ammonium salt (small molecule drug, not a...

29 July 2024 9,753 3 View

Can we eliminate the stress singularity at the tip of the crack by manipulating the elastic constants?

The aim of the research here is to prevent the propagation of the crack in the fabricated elastic medium with useful applications.

25 July 2024 9,976 3 View

Technically: Do proctoring software add to quality assurance in assessment in blended learning modules?

One of the challenges in ensuring quality and integrity in blended learning modules is cheating especially when it comes to assessment (Tests, exams, and assignments). Now one of the solutions...

21 July 2024 6,741 0 View

Did Einstein misunderstand the photo-electric effect?

Photo-electric effect A light particle moving towards a surface cannot (by collision) force an electron particle to move away from that surface. A light wave can instead make interference with a...

19 July 2024 8,389 9 View

Can we find the Gromacs version from XTC file or TRR?

Hello everyone, This soudns like a strange question, but I created five XTC files using five different versions of GROMACS some years ago. All other files are missing, and I want to repeat the...

16 July 2024 7,205 2 View

Two PhD and One Master to expand R&D team, anyone interested?

Hi all, if you are looking for PhD and Master opportunity to work on Microalgae research and Biosensor for bacteria detection. Please do not hesitate to email me [email protected]

07 July 2024 7,576 0 View

Is light quantisation an illusion?

The photo-electric effect does not support quanta in light, since a light particle moving towards a surface cannot cause an electron to move away from the same surface at a right angle. Instead, a...

06 July 2024 2,288 35 View

Is gravity an EMERGENT phenomenon?

Newton found the law of gravity - but did not understand it. Fatio understood the law - but he was not accepted. Fatio assumed fast particles moving in all directions. Stability in planetary...

30 June 2024 9,284 28 View

Any automatic way to outline an image to measure the area in pixels?

Hi, I am trying to measure the area of the caudal fin in zebrafish, to study regeneration. I need to measure the area of the regenerating fin every 3 days after injury. So far, i have been using...

27 June 2024 5,068 1 View

How to account for semi-opaque obstruction in visual field "anchored" to bottom?

I have seen two kinds of explanations given for the phenomenon that I try to draw in the attached png document. One explanation says that an air bubble creates the experience of a solid black...

16 June 2024 6,493 1 View

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Handling Missing Data and Building a Predictive Model with Incomplete Information ?

I am developing a predictive model for a water supply network that involves 20 influencing points. However, I only have historical data for 10 out of these 20 points. I would like to know how to...

10 August 2024 4,005 2 View

Is it possible to use the Fused Deposition Modeling (FDM) to additively manufacture interconnected porous structure generation of >100-200 micrometer?

Usually, additive manufacturing techniques like SEBM, SLS, and SLM are used for interconnected porous lattice structure generation with sizes of >100–200 micrometers. Can the Fused Deposition...

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How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

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How can I apply boundary conditions in an orthotropic steel deck numerical model using ABAQUS software?

I am trying to simulate vehicular loading on an orthotopic steel deck bridge section in ABAQUS software. The red arrow mark in the attached figure indicates the direction in which the vehicle will...

08 August 2024 719 0 View

Can you suggest reliable sources defining "3D mesh" and "3D city models"?

Dear fellow researchers, I am currently working on a paper where I need to provide a reliable reference that defines and distinguishes between 3D mesh models and 3D city models. Although I am...

06 August 2024 9,986 2 View

Please explain how the plastic input value should be considered from the true stress-strain curve for the bilinear elastoplastic material model ?

I am working on Abaqus/Explicit(Quasistatic ) for the deformation of the auxetic structure model. Please explain how the plastic input value should be considered from the true stress-strain curve...

05 August 2024 454 3 View

"A Markov-like Model for Patient Progression"?

A Markov-like Model for Patient Progression" Markov Chain Monte Carlo (MCMC) Markov Chain Monte Carlo (MCMC) is a powerful computational technique used to draw samples from a probability...

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What are the shear and normal stiffness values of an LLDPE liner in 3D numerical modeling of a stockpile?

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How to report results of Generalised Linear Mixed Models in a journal article?

Hi everyone, If you have written or come across any papers where Generalised Linear Mixed Models are used to examine intervention (e.g., in mental health) efficacy, could you please share the...

04 August 2024 4,130 4 View

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