Convergence of ut=uxx?

This is MATLAB code for (ut=uxx ) on {0,1} where u(x,t)=sin(2pi*x)exp[-(2 pi).^2]*t, I.C: u(x,t) = sin(2pi*x); B.C: u(0,t) = u(1,t) =0; L=1; n=1; t_final =0.1; N = 32; %elements dx...

03 April 2019 7,021 4 View

Discretization of ODEs using Runge Kutta Method?

For 1D heat equation, discretization of its vector ODE by Runge-Kutta would be stable than backward Euler?

03 April 2018 8,661 0 View

How to solve below integral numerically?

I want to discretize (PDE) non-linear heat equation using Galerkin FEM. it includes non-linear reaction reaction rate which can be solved by numerical technique only. please guide me how to...

07 August 2017 5,994 9 View

One of the characteristics of Galerkin Method is its orthogonality, What does it mean?

What is its effect on simulation results?

04 May 2017 7,832 0 View

One of the characteristics of Galerkin Method is its orthogonality, What does it mean?

04 May 2017 6,350 0 View

Is there any good research paper or book on solving non-linear Partial Differential Equations using Galerkin finite element method?

I need help on solving non-linear heat equation with boundary conditions.

04 May 2017 3,143 0 View

What are main advantages of Galerkin finite element method compared to FDM?

I am solving PDE of Parabolic Heat Equation, does Galerkin finite element method provide ODE in space and time simultaneously?

01 January 1970 5,416 12 View

One of the characteristics of Galerkin Method is its orthogonality, What does it mean?

01 January 1970 5,893 0 View

New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before?

Question to you and THEM, the New Journal, "Integrative Psychological and Behavioral Science" -- do you not know, and have you not seen, this done before? There appears to be a core problem for...

02 March 2021 3,024 2 View

Does anyone know HRM channel in a 2 plex QIAGEN Rotor- Gene Q qPCR can be used as a separate channel?

I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...

01 March 2021 8,544 1 View

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

How to get rid of somebody pretending to be the author of a publication?

One of the publication I co-authored has the author's name in abbreviation. Then, somebody whose nothing to do with that paper acquired it as her work. To whom in this RG shall I ask for a hand,...

27 February 2021 4,206 4 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View