How can I use an air blower or fan inside a temperature oven?

Dear Researchers, I am trying to study the behavior of thermal sensor at high temperatures. I have a temperature oven to control the temperature which has an inlet(12mm dia) and exhaust...

04 May 2018 2,987 3 View

How can I perform Fast Fourier Transform on an experimental data?

Dear Researchers, I have an sensor output data recorded over a period of time. Now, I would like to convert this time domain data into frequency domain to obtain the bandwidth of the sensor. Can...

03 April 2018 8,623 2 View

How to set thickness for a 2D model?

Dear Researchers, I'm drawing a 2D model to simulate Joule heating. How can I set a desired thickness in a 2D COMSOL model? If I don't have the luxury of setting the thickness, what is the...

01 February 2018 1,526 2 View

How much resistance can an acrylic(PMMA) plate provides on heat subjection?

Dear Researchers, Is acrylic heat resistant ? If so, what is the maximum temperature that an acrylic plate sustain when operated in harsh environments? Thank you

01 February 2018 1,315 2 View

Why my COMSOL 3D model is taking long time to run?

Dear Researchers, I'm running a simulation on calorimetric thermal flow sensors. I tried to use Joule heating and Laminar flow interfaces to obtain the temperature distribution on the surface of...

01 February 2018 4,804 4 View

Where do I find some research works/papers that reports COMSOL simulation of a calorimetric thermal flow sensor?

Dear Researchers, I'm working on simulating and studying the behaviour of calorimetric flow sensor numerically. Hence, COMSOL multiphysics can be a great choice of...

09 October 2017 2,625 2 View

Why is the output of AD 623 does not change irrespective of the resistor gain?

08 September 2017 2,637 1 View

Transient model problem

07 August 2017 3,592 9 View

How to solve two non-linear second order ODE with 4 boundary and continuity conditions(coupled) analytically?

06 July 2016 6,925 11 View

What could be the challenges in designing a silicon carbide based pH sensor for high temperature applications?

What could be the challenges in designing a silicon carbide based pH sensor for high temperature applications?

01 February 2016 637 1 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Benefits of the 24 welled plate?

We have always used the 96 welled plate, the 48 welled plate but apparently there is much evidence on the 24 welled plate and above all its benefits.It states it is the same you would use on ELISA...

28 February 2021 1,149 1 View

What are the application of Fixed points thoery in Chemistry.?

It is said that fixed point theory has lot of applications not in the field of mathematics only but also in various areas. So I am looking for applications in Chemistry only..

26 February 2021 3,533 1 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

Can I ask did any good platform or journals for learning the calcluation on the reference governors and command governor?

Recently I face some problems with the mathematical ( calculation) on the reference governor and command governor, so I need some help from you all to get which platform or journal can let me...

23 February 2021 7,746 2 View

Special issue on PLS-SEM in Mathematics. Are you interested?

21 February 2021 5,601 3 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View

How to overcome convergence issues in concrete arch models?

Hi, I have modelled a three-span arch bridge with soil fill over along with pedestals. The FE modelling is done in LUSAS with HX8M solid elements (i.e. 3D solid modelling). The non-linearity is...

20 February 2021 1,346 2 View

How can I obtain a sine function along a path with known equation?

I have a symmetric airfoil with known equation. Now a sine function passes along the airfoil equation like following figure. I want to find the sine function in (x,y) coordinate system.

17 February 2021 1,594 12 View

How can we determine the positive definiteness of multivariable polyomial? Is there any MATLAB function available for that?

Can we check the positive definiteness of a multivariable polynomial using MATLAB functions? Of course in literature, there are few complex methods that use tensor algebra. However, before going...

16 February 2021 1,218 3 View