What is relation between pressure wave radiated in air from a moving solid and velocity of harmonic moving solid?

Hi, What is the physical relation between pressure induced in air and radiated from a harmonic moving solid and it's velocity? we assume a harmonic moving of solid (plate or beam) with frequency...

31 December 2017 2,675 1 View

What is application of different parameters in comsol transient analysis?

In comsol multi-physics there are 3 parameters those affect the accuracy of solution and also time of computation. 1- study > time dependent >study setting > times > time step we know...

09 October 2017 4,881 0 View

What is different between time dependent modal and time dependent (transient) analysis in comsol?

10 November 2016 9,330 0 View

Problem in plot time dependent vibration in comsol?

Hi, when i plot the time dependent plot of a selected point of a beam (for example in w displacement), the resulted plot was true but it is not smooth enough as i expect it. i try to decrease time...

09 October 2016 4,777 1 View

For what elasticity not use only galerkin potential vector to solve boussinesque problem and add westergaard scalar potential function?

For what , the elasticity references use galerkin potential vector to solve the kelvin problem, but not use directly in boussinesque problem and add the westergaard potential function? I'm not...

04 May 2016 1,672 0 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 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

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Sample dilution for quantitative analysis using ELISA?

If the detection range is in ng/ml but the reference range is in ug/ml for a molecule or protein in serum or plasma .how to dilute and what is the initial volume to be taken for quantitative analysis

02 March 2021 7,670 3 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View