How can Plasmonic nanoparticles with different shapes be simulated using FDTD if they are imbedded in Organic solar cells ?

I need help on how can i simulate Organic solar cells with Plasmonic nanoparticles of different shapes using Lumerical FDTD . Is there any body familiar with such simulation and can share...

26 January 2021 4,188 3 View

Is compressive stress equal to minimum principal stress in ABAQUS Software?

After having result in ODB file format for ABAQUS software, is it correct to take minimum principal stress as compressive pressure and Maximum principal stress as tensile stress. Because when we...

23 August 2020 4,255 1 View

How to measure indirect dependency using regression analysis?

I want to know if I can use regression instead of structural equation modeling path analysis to predict explanation of dependent variable by independent variable indirectly. For example C depends...

18 August 2020 3,917 4 View

How can I solve Excessively Distorted element in Abaqus Dynamic/explicit analysis of complex geometry model?

As you can see attached below, I am trying to simulate stress distribution of Dental implant and Jaw bone under dynamic loading using ABAQUS/STANDARD with Dynamic/Explicit step. I also used Mass...

25 January 2020 2,628 4 View

Is it still feasible to do stress evaluation using Finite element Analysis for dental Implant considering only static loading??

The reason I asked this question is a few people handle this clinical problem under dynamic loading even until this days, because in most literature they cited that dynamic loading too complex to...

07 November 2019 2,038 3 View

I am planning to do a research around: Novel drug delivery systems like ethosomes, phytosmes, cubosomes, liposomes, niosomes etc .Any Advice please?

I am planning to do a research around: Novel drug delivery systems like ethosomes, phytosmes, cubosomes, liposomes, niosomes etc .Any Advice please?

26 October 2018 5,715 4 View

Which study design would be recommended to study the impact of targeted vector control interventions on entomological risk factors for malaria?

The most majority of my country is malaria epidemic prone areas and is getting prepared for malaria elimination. Therefore.,we need to run pre-elimination studies on entomological factors.

02 September 2018 5,513 3 View

How to calculate sample size for longitudinal study?

Dear all One of our students is interested to do research on effect of physical exercise on nutritional status and academic performance of sport sciences students. His subjects are university...

09 December 2017 1,783 6 View

What is life and why we are doing researches?

In my life I have so many questions rotating in the mind. Some of them are getting answers. Some others are without any valid answers. Always I ask my self some interesting extra-ordinary...

01 January 1970 8,143 2 View

Isolates of Hymenoscyphus fraxineus?

Dear Dr. Cai, my name is Simone Prospero and I work in the team of Phytopathology at the Swiss Federal Institute for Forest Snow and Landscape Research (WSL;...

01 March 2021 1,133 1 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

How to compare 2 samples recruited with different sampling methods?

If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...

26 February 2021 3,526 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

CGA 300 Regulator for CO2 cylinder?

Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...

25 February 2021 3,292 3 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Must a control group to be in the same semester that a experimental group for a study in education?

Hi everyone, I'm researching about mobile learning in higher education. Due to the small number of the students in the semesters, I cannot have a experimental and control group together. I'm...

22 February 2021 3,653 11 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View