What is suitable software in comsol modeling of particulate composite material ?

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Quantile cointegration estimate?

Dear all, does anyone has the estimation code for Xiao (2009) quantile cointegration test.

28 July 2024 6,133 3 View

Getting standard errors and T-statistics for Dynamic panel data with instrumental variable method?

Dear all, I have a user written estimation code based on the paper dynamic panel data estimations with fixed effect by Galvao(2009). I have seen many papers using this method and pvalue, standard...

22 July 2024 4,588 1 View

How many samples size should I select to compare both groups?

I want to study the differences between two groups: the treatment group and the comparison group. The total population consists of 60000 women in the treatment group, distributed across different...

21 July 2024 669 3 View

Is it appropriate to use ARDL(autoregressive distributed lag model) with environmental Kuznets curve?

The underlying idea behind the environmental Kuznets curve is that GDP per capita initially increases environmental degradation but later reduces the environmental degradation as the result of the...

28 June 2024 949 0 View

Why is stiffness of structure reduced in pushover after gravity case?

So I have a structure with a pile foundation and a gravity load acting on the structure. The demand curve is drawn by running an elastic analysis. Pile-Soil is modelled as p-y, t-z, and q-z...

14 June 2024 5,220 0 View

I want to ask if I suppose to add 200mg of antibiotic in 100ml of water so what is the concentration of this stock solution in microgram?

Hello, I recently started working with antibiotics and I do not have that much experience of making dilutions accurately. I want to ask if I suppose to add 200mg of antibiotic in 100ml of water...

08 June 2024 2,285 6 View

Are you interested in submitting papers to a new journal called "InfoScience Trends"?

InfoScience Trends offers comprehensive scientific content that delves into various facets of information science research. This includes but is not limited to topics such as information...

26 April 2024 9,521 1 View

What is the main substance of bone marrow?

Red bone marrow contains blood stem cells that can become red blood cells, white blood cells, or platelets. Yellow bone marrow is made mostly of fat and contains stem cells that can become...

10 April 2024 6,011 1 View

Journal of Renal Injury Prevention. How we can activates its profile in RG?

Dear Sir, Hello I am Hamid Nasri, founder of Journal of Renal Injury Prevention; https://www.journalrip.com/ Please let me know, how we can activates its profile in RG. Thank you Hamid...

30 March 2024 5,569 2 View

Hoe to simulate stability of drydocking in maxsurf?

all know the stability of ships in dry-docking has critical period. the maxsurf suite can simulate the stability behavior in many case of loading and damage scenario. now, How to simulate...

06 March 2024 3,845 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

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

Is it necessary to covary exogenous constructs in a structural model?

I am working on a SEM model where i have 7 latent variables (6 exogenous and 1 endogenous). In AMOS when I co-vary the exogenous constructs, only 2 paths are coming significant out of 6. But when...

03 August 2024 6,028 4 View

Pawan Kumar

Go and check the following link may help you.

1. https://www.comsol.co.in/composite-materials-module

2. https://www.comsol.com/blogs/introducing-the-composite-materials-module/#:~:text=The%20Composite%20Materials%20Module%2C%20add,examples%20of%20layered%20composite%20materials.

Muhammad Ali

I think MATLAB might be a best such tool, see e.g., https://www.youtube.com/watch?v=sHOFmyHKFS0

https://books.google.com.au/books?hl=en&lr=&id=5A2lDgAAQBAJ&oi=fnd&pg=PT15&dq=comsol+modeling+of+particulate+composite+material+in+Matlab&ots=gQeHLELwIv&sig=TUy7JRGEggLoqxjhOZQTsNz-LhU#v=onepage&q&f=false

Vahidreza Gharehbaghi

MOOSE is an object-oriented C++ finite element framework for the development of tightly coupled multiphysics solvers from Idaho National Laboratory. MOOSE makes use of the PETSc non-linear solver package and libmesh to provide the finite element discretization.

Physics Modules:

Heat Conduction
Geochemistry
Navier Stokes
Solid Mechanics
Contact
Porous Flow
Phase Field
Level Set
XFEM

https://mooseframework.org/