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How to adjust a covariate in meta-analysis?

Suppose I am meta-analyzing proportions using their logit transformations. We did a meta-regression of the covariates age, gender, and disease severity score in studies and get respective beta...

11 January 2021 9,409 4 View

What is the meaning of this error, "RWCPar cannot convert versions"?

I am trying for a TS calculation in gaussian-16W. Several times I tried but results same>. The end of the file it is the message. Can anyone help me to solve the problem? I am using...

07 January 2021 3,192 1 View

Is it possible to design a unite cell from the Supercell structure in Material Studio?

I am working with the Graphene supported organic layer. I have an optimized 3x3 graphene sheet. Now I like to assemble the organic layer on it and then transformed it into an 8x8 sized supercell...

19 October 2020 6,762 3 View

How to assign various input into a designed prosthetics in different section in Abaqus simulation ?

I design a 3D prosthetics in SolidWorks and simulate it in Abaqus. When I select section it assumed full prosthetics as a whole part. But I want to select different section manually and assign...

09 October 2020 2,143 2 View

For cubic system do we need to maintain uniform cell length in all three direction while making a supercell?

Suppose we have a cubic unit cell. We need doping of the alloy with 5 at.%. For that we need to make a supercell for representation the doped composition. So to maintain cubic symmetry should we...

28 July 2020 7,726 3 View

Could you please answer the following Gaussian 09 error message?

I am working in Gaussian-09 for the optimization of a Pd-based structure. I used B3LYP functional and overall basis set DGDZVP. I used the SCRF method for DMF solvent. My input line was as...

11 June 2020 1,870 3 View

A Serious Issue That I Have Faced and Need Help ... Can anyone?

Dear Colleagues, I am working with DMol3 in Biovia Material Studio 2017. Recently while I am working for optimization of a Graphene single sheet 8 x 8, it showed a strange failure notice. I tried...

29 May 2020 8,207 5 View

When i am doping an element Co to a cubic structure(Fm-3m) such Ni2MnGa alloy, do i need to relax ionic positions or just volume and cell relaxation?

When i am doping Co to a ground state cubic Ni2MnGa, after full structural relaxation i am seeing that the structure does not remains in cubic anymore. But i have seen in other papers that Co...

23 March 2020 7,377 3 View

How to find the proper transition state in a DFT calculation?

Dear Researchers, I am trying to find a TS. It is a computational DFT calculation using Gaussian09. I am using the following input section: %chk=tssb36.chk %mem=1000MB %nproc=4 #...

20 March 2020 6,802 6 View

I want to investigate NiTi bi-layer system of 50-50 at%. How to model multi-layer of NiTi?

To make a multilayer first i made a Ni supercell of 3*3*3, consisting of 108 atoms. Then Ti supercell of 2*3*3 was made consisting of 108 atoms. When i tried to stack two layers it shows " Layer...

11 March 2020 8,577 2 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View

Error in comsol?

Dear respected researchers, while performing CFD analysis in Comsol it's showing like this Error: Nonlinear solver did not converge. The maximum number of Newton iterations reached can...

24 February 2021 249 3 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

How can I find the effect of different parameters like (Reynolds number, Hartman number, volume friction etc.) in COMSOL?

Here I am facing this problem. I don't find any effect of this type of parameters. I am a beginner user of COMSOL.

23 February 2021 9,086 3 View

How to Implement Elastoplasticity in a PCL model in COMSOL Multiphysics?

I am using COMSOL Multiphysics 5.5. I am trying to simulate the tensile test of PCL scaffolds. However, regardless of the strain, I have the elastic region all the time which is not true when it...

23 February 2021 4,050 1 View

Fictitious Boundary Meshing Method (FBM) in Commercial FEA software?

Is it possible to implement FBM in a commercial FEA software package, such as FEMLAB, COMSOL, or open source software like Moose?

22 February 2021 2,968 1 View

How to build fluid structure interaction simulation for elastic ring squeeze film damper in COMSOL?

22 February 2021 5,408 1 View