Why the weight function in weak form is considered to be zero?

Dear All, I was wondering, why in FE formulation, and in the case that both Dirichlet and Neumann BCS are imposed, the weight function (W or v) on the boundary is considered to be zero? Would...

02 March 2019 9,520 6 View

How to create multilayer mesh in NetGen?

Hello all, I need to create a multilayer mesh for light propagation modeling. I use NetGn. In NetGen I create each layer separately and then merge them together. But when I run simulation it seems...

09 October 2015 2,417 0 View

Could COMSOL be used for diffuse reflectance spectroscopy modeling?

Does COMSOL have the same capabilities as the monte carlo method in modeling light-tissue interactions in terms of calculating and obtaining light distribution over the surface as well as inside...

02 March 2015 5,713 3 View

What are the angular and spatial distribution (intensity) of remitted light? Can Monte Carlo method compute them both?

I need to understand what is the difference between these two parameters. Also need to know if Monte Carlo method is able to compute them ? If not what other algorithms could...

01 February 2015 7,636 3 View

What does STEADY-STATE LIGHT PROPAGATION mean?

Just wondering what does the steady-state light propagation mean, and what other forms of light propagation might exist? Thanks very much.

01 February 2015 4,805 0 View

What is diffuse reflector and what would be spectrally flat diffuse reflector?

01 February 2015 3,591 3 View

How can I simulate the Darcy problem (flow movement) in porous medium under large deformation?

I would like to simulate the Darcy problem in a porous medium undergoing large deformations, but I'm not sure what commercial packages would be able to do that. Do you have any guidance or insight...

01 February 2015 6,085 10 View

Which one is suggested for multiphysics modeling?

31 December 2014 2,331 3 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

How to calculate BREQ 3 questionnaire?

how to calculate BEHAVIOURAL REGULATION IN EXERCISE QUESTIONNAIRE BREQ 3 ,which contain 24 questions and each question has 5 answers (0- Strongly disagree , 1-disagree, 2- Neither agree nor...

02 March 2021 811 3 View

I am interested in medicinal chemistry field, which books are highly recommended to learn from?

I am at the beginner level in drug design and drug discovery, and I am interested to learn more about this field. Which books are highly recommended to start from and gives me all essential...

02 March 2021 8,437 2 View

Please suggest a good text book for "Research Methodology in Life Sciences". Which book would be good for PhD Scholars?

Please provide Book Title and author name

02 March 2021 9,059 3 View

Could any one guide me, to write research proposal for grant? ?

We have one plant, the local people using this for controlling blood sugar, the toxicity and antidiabetic activity of the plant is not reported yet, please guide from whag should be the process ?...

02 March 2021 2,300 1 View