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Questions related from Chinedu Nwaigwe
I am using radial basis functions for a current problem, but these basis functions do not satisfy the kronecker-delta condition like the finite element basis functions. I would like to have a...
20 March 2024 7,644 0 View
I have a 2D finite difference scheme to implement. I use C++ but do not want to write my own 2D grid as I would like to reuse the code for many other problems. Hence, I want to use a...
30 June 2020 6,810 0 View
I need to multiply the inverse of a matrix A to another matrix B. If B were to be a vector, I would simply solve a linear system Ax = B to get the product x=inv(A)B. With B being a matrix, I...
30 April 2020 10,336 12 View
Take for instance, a stencil of 3 points can be used for 2nd order approximation of second derivative. Ordinarily, one would need a larger stencil for higher accuracy of the same derivative...
24 April 2020 2,737 0 View
I need the English version of this paper which was publish in 1871.
28 August 2015 5,723 2 View
I need a well developed pre- and post-processor that can generate complex meshes and provide all the functionalities needed to solve flow problems in it. And also allow visualizations. The goal is...
12 February 2015 2,905 15 View
Given a PDE model with some constraints restricting the range of values of model quantities, how does one apply the idea of relaxation to such a model? Any idea or references on relaxation idea of...
23 September 2014 1,527 11 View
Consider a 1-D flow along x-axis with z-axis in vertical direction. The fluid domain is bounded below by a fixed bottom at z=b(x) and above by free-surface at z = h(x,t)+b(x), with h= height of...
17 August 2014 7,275 5 View
What refinement indicators currently exist for hyperbolic system of PDEs, in particular, the shallow water equations? which is your favourite and why? also provide references.
28 July 2014 9,501 3 View
I already understand that one needs to pay for every private repository in github but one can get unlimited private repos in bitbucket. This is particularly making a lot of people, especially...
21 April 2014 5,376 5 View
What then, is the best practice in overloading operators on members of the stl vector class? In particular, which of these three choices do you think is best? i) to use operator overload to...
19 February 2014 9,592 22 View
Hi all, could anyone tell me if there is any recently developed Riemann solver for hyperbolic conservation laws? I'm aware of the methods of Roe, Rosanov,kinetic, HLL,HLLC, Osher-Solomon, and in...
03 February 2014 4,773 1 View
It has been stated that the pre-balanced formulation of the Shallow water models is advantageous in terms of well balancing. But another argument is that the pre-balanced formulation is not in...
07 September 2013 6,657 3 View
I'm implementing the Discontinuous Galerkin Finite element method for the SWEs. Kindly suggest some useful reference materials.
06 August 2013 9,600 3 View
I have just started studying the shallow water equations. I have solved and implemented the Riemann Problem for the 1-D case. I now want to implement a finite volume scheme for the same 1-D SWEs...
12 May 2013 5,532 5 View
I am learning to develop algorithm for flooding and drying. And am using the 2D shallow water model.
08 March 2013 5,646 3 View
I need a collaborator with experience in code development and, if possible, numerical analysis too. I am currently developing an open source code in python that can be used to solve different...
01 January 1970 2,923 2 View
