How do I use factor score coefficients to derive factor scores for a new sample?

Hi, I conducted factor analysis in Mplus to examine the suitability of an instrument, derive factors, and derive factor scores. I used Mplus to output factor score coefficients and...

12 February 2019 2,632 3 View

Topology Optimization using Abaqus with stress as constraint?

We usually use Strain Energy as objective with volume constraint in topology tasks. But if I want to obtain a lightweight structure that the stress in it does not exceed material strength, I...

18 June 2018 7,861 3 View

What are the alternative uses of algae lipids aside from biofuel?

Initially, our paper's rationale was on the use of lipid extracted from algae (Chlorella sorokiniana) in biofuel. However, after deliberation of panel, they have decided that researching on...

28 November 2017 4,929 5 View

How does Hoechst-33258 affect the electrophoretic mobility of DNA in an agarose gel?

I have run a few electrophoretic mobility assay gels recently using Hoechst-33258 and ethidium bromide in order to observe the changes in the mobility of the DNA when each are used in comparison...

19 January 2017 3,419 2 View

How to create blurry images with non-uniform motion blur kernels?

I am doing image deblurring task so that I need to create artificial blurry images by myself, since there is no convenient dataset to get. I know motion blur kernel is represented by motion length...

05 June 2016 2,017 4 View

Imagej. How to write the macro for draw rectangle so that the coordinates and dimensions are in units e.g. cm not in pixels?

When I record the macro using the auto function it automatically sets the coordinates and dimensions (x,y,w,h) to pixels rather than cm, even though I have set the scale with cm. This is no good...

15 March 2016 6,586 3 View

How do you use iPads with your developmentally delayed students who are kinder and first graders?

31 December 2014 6,924 5 View

Should I stratify by gender when there was no gender interaction (in a logistic regression)?

I performed a logistic regression. I checked for interaction effects of gender with the IV. The interaction was not significant. However, when i stratify by gender, there is a significant...

15 December 2014 5,054 8 View

Alkaline phosphatase conjugated secondary antibody ELISA

I use alkaline phosphatase conjugated secondary antibody to detect IgG titer but I don't have the standard to calculate the IgG concentration. What is the OD limit of AP conjugated ELISA?

26 August 2012 4,459 2 View

Future research topics related to sustainable manufacturing

What are some topics related to sustainable manufacturing that are still in need of development and future research? My masters thesis must incorporate some type of system modeling geared toward...

01 January 1970 7,281 6 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 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

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

How to separate water from glycerol solvent in a solvent recovery vacuum distillation column?

I am currently doing my third year design project. I have been assigned to design a glycerol recovery column in vinyl acetate monomer production. The process unit before the recovery column is an...

01 March 2021 9,525 4 View

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How to assign different material properties to each element in Abaqus ?

Hello, I am writing a python script to generate my model and write the input file. The problem is I have 1000 elements in my mesh and I want to assign different material properties to each...

01 March 2021 9,511 3 View

Could anyone tell me what is the range of submillimeter wave?

There is confusion regarding the submillimeter-wave range. Many papers specify its range from 300GHz but some also consider its range from 100GHz. If I design an antenna on 122ghz what would I...

01 March 2021 516 7 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 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