Where is the differential quadrature method best used? Can someone suggest good introductory material on this method?

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How can I apply Differential Quadrature method to solve a fourth order differential equation?

I am trying to solve the free vibration of a cantilever beam. I am attaching a word document in which I have given the progress of my work. I am not able to converge to fundamental frequency. I...

01 February 2015 2,436 28 View

How to decide upon the nature of grid points to be selected in Differential Quadrature method?

Is there any particular criterion with which we decide upon which grid point to select for analysis? I have used equations given in the review paper by C.W.Bert and M.Malik. I am working on the...

31 December 2014 9,141 4 View

How are the boundary conditions incorporated while using the Differential Quadrature method?

When dealing with 2-D Laplace equation how is Differential quadrature method applied to get the solution. How are the four boundary conditions incorporated into the formulation?

11 December 2014 1,048 12 View

What is numerical oscillation and what are the main cause of this phenomenon.?

I performed a Ritz analysis on 1-D Laplace equation and my results are diverging from the exact results. So is numerical oscillation is the only cause or can it be because of any other reason?

08 September 2014 3,680 6 View

Is there any standard procedure to get the weak form of a governing equation?

I basically need to know how to get the corresponding functional form for a differential equation.?My intention is to apply Ritz method to various structural problems.

07 August 2014 6,040 0 View

What is the significance of Laplace and Poisson equations in Mechanical Engineering?

Please help me with an example other than the heat transfer case. Also help me where exactly can we use Laplace or poisson 's equation.

06 July 2014 2,303 15 View

What is a thin-walled beam? What are their advantages compared to normal beams?

I know a thin walled beam is the one in which the length is one order more than other crossectional dimensions. Please explain why it is widely used over other beams?

06 July 2014 3,211 5 View

What is the difference between Rayleigh-Ritz method and Ritz method?

I know Ritz method is applied directly to the variational formulation. Basically what makes the Ritz method unique?

06 July 2014 6,422 10 View

Can someone help me to get the Paper authored by Walter Ritz in 1909 and 1908?

The paper is available in German but I couldn't find an English translation of the same. If possible please suggest me a link.

06 July 2014 8,942 0 View

Can some one help me out with the L operator of a linear differential equation?

Lu=d2u(x)/dx2. What is the meaning of this expression? The R.H.S is a second order derivative.

05 June 2014 3,600 1 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

What should a Mechanical Engineering PhD scholar focus on during their PhD to enhance their chances of securing a postdoctoral position?

29 July 2024 7,714 4 View

May I know the exact Quartile of the journal- Advanced Engineering Materials (Wiley) for material science category?

In some data sources it has been grouped in Q1 and some shows it is Q2.

29 July 2024 4,227 2 View

Ternary in Electrical Engineering?

Dear Research Community I would like to invite Elctrical Engineering specialists to solve problems related to Ternary Algebra or tripple sets I have an algorithm that places in relation three...

28 July 2024 5,771 2 View

What topic or subject does Production Engineering need to address more?

Contemporary scores or innovations in scientific approaches. Hybrid methodologies, emerging themes and cross-cutting issues?

27 July 2024 648 3 View

Can you recommend provider Intermediate laboratory test for hydrocarbon, polyethylene & polypropylene?

Accredited laboratory of JV "Uz-Kor Gas Chemical" LLC (Uzbekistan) is looking for providers to conduct interlaboratory comparison tests on gas chromatographic analysis of hydrocarbons (component...

25 July 2024 8,108 0 View

Can we eliminate the stress singularity at the tip of the crack by manipulating the elastic constants?

The aim of the research here is to prevent the propagation of the crack in the fabricated elastic medium with useful applications.

25 July 2024 9,976 3 View

Can a shoot-through event of a tri-state digital buffer cause momentary Hi-Z state?

// interested in the difference between floating events and short circuits.

22 July 2024 6,565 0 View

Is there a good macro photography kit for on-site metallurgical investigation?

I am looking to purchase a photography kit for onsite metallurgical investigations, such as capturing photos of worn areas, hot tears, cold tears etc. Could anyone suggest me a good...

22 July 2024 3,490 2 View

Why do fish have fishy odors naturally ?

Chemical Engineering /Food Engineering

20 July 2024 4,152 4 View