What are the boundary conditions required for the Fabry-Perot Cavity 3D model in COMSOL Multiphysics?

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Not able to give GAFF forcefield to my ligand?

I have been able to assign the CHARMM forcefield to my ligand i.e. acetyl coenzyme A but not the amber forcefield. I want to run amber forcefield and the parameterization of ligand is failing. I...

15 July 2024 7,323 1 View

While doing docking using Autodock1.5.7, I am getting a warning that there are non integral charges on my ligand. How to remove it?

I used Autodock for docking, due to the non integral charges on my ligand I am not able to dock with the protein. How to dock the file?

08 June 2024 5,593 2 View

How to decide which parameter file should be used for particular calculation for tinker?

I am new to the tinker molecular dynamics software. I want to use it for conformation analysis for organic molecules (say penta-alanine). This can be done by SCAN keyword. There manual does not...

31 March 2024 9,274 0 View

Investigation on structural, hysteresis, Mössbauer properties and electrical parameters in X-type Ba2Co2ErxFe28-xO46 hexaferrites?

Conducted an extensive study on hexaferrites, substituting Erbium into X-type Ba2Co2ErxFe28-xO46 through a precise heat treatment process. XRD analysis highlighted phase variations, showcasing...

16 November 2023 2,147 2 View

How do I report a security concern?

Someone is trying to create a new account using my email. An activation request was forwarded to me to activate the email account severally earlier, and even today by 08:06am.

30 July 2023 9,835 0 View

I'm facing problem in NO determination using Griess reagent of SRL ?

for standard i have prepared 10 mM stock and diluted (10 -1200 micromolar) added SRL Griess reagent placed 15 min incubation in dark in to various concentration for the standard graph preparation...

28 May 2023 586 0 View

What is the equivalent of a 2 hour 100,000g spin on a 48,000g centrifuge?

Hello, I just graduated from college and am conducting immunology research. I am following a protocol that isolates extracellular vesicles which asks for an ultra-centrifugation step at 100,000g...

26 February 2023 8,945 2 View

How we can apply six sigma in casting foudry industries ?

Impemtation of six sigma is very complex in casting process as we have to control so many parameters to reduce rejection. I want to discuss about this if some have any resarch or case study about it.

13 February 2023 315 4 View

How to expand electron density in spherical harmonic basis fucntion?

I want to calculate PECD spectra and in order to do so I require calculated electron density in terms of symmetry adopted spherical harmonic basis functions. How should I do that?

30 January 2023 653 3 View

How to add new functions (say B-spline) in a basis set?

I want to calculate photoelectron circular dichroism (PECD) using DFT and one approach (B-spline LCAO density functional theory (DFT))is to modify the current basis set by adding B-spline...

22 January 2023 10,004 0 View

Problems about acousto-optic coupling in Comsol, how to check whether the moving mesh is correct?

I’m trying to reproduce the acousto-optic coupling simulation in the paper Frequency–angular resolving LiDAR using chip-scale acousto-optic beam steering. LNOI(lithium niobate on insulator) is...

13 August 2024 9,795 0 View

How can I prepare virus for a TEM or SEM imaging?

I have virus (viral hemorrhagic septicemia virus) in suspension and the experiment will not involve cells. What level of TCID50 is preferred?

11 August 2024 3,115 1 View

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...

09 August 2024 7,892 0 View

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...

09 August 2024 5,048 2 View

Regarding LBM in Boiling?

What should be the equation for halfway bounce back boundary condition for flow field with forcing term?

08 August 2024 7,938 1 View

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

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

I am seeking experimental or applicable data for the liner (LLDPE) interface in FLAC3D numerical modeling of a large stockpile. Could you please recommend suitable references? The preferred data...

05 August 2024 3,665 0 View