How can we determine the order for a system with PDEs?

For a system of ODEs we calculate he order of the system simply by adding the orders of the differential equations. So what will be the order of the system which has three PDEs: two first order...

10 November 2015 7,390 1 View

Is there any formal way to represent a nonlinear infinite dimensional systems ?

10 November 2015 8,367 4 View

What should a PhD student expect from his supervisor?

In general the weight age of research in PhD is very high as compared to the course in any institute of the world, though a good course work can be helpful in doing a quality research. What I want...

11 December 2014 3,648 9 View

How can we simulate Differential Algebraic Equations (DAEs) in MATLAB

One of the methods for developing control system for distributed parameter systems is to convert the system of PDEs in to a DAE; consisting of independent ODEs related to one another by algebraic...

08 September 2014 8,703 12 View

Where to publish your article?

What is the best way to find the suitable journal for your publication? Also how can one determine the time a journal takes for publishing an article

07 August 2014 4,529 1 View

Why is a system with PDEs infinitely dimensional?

Partial Differential Equations (PDEs) contain at least two independent variables. Generally the system of PDEs is called infinite dimensional, what is the reason behind this argument?

06 July 2014 9,873 19 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

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Could you recommend any books about Number Theory?

Beginner level books. High level books. Analytical Number Theory. Algebraic Number Theory. Combinatorical Number Theory. Books about partitions. Books about primes.

03 March 2021 7,174 5 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View