Find answers to your questions about Computational Science or help others by answering their Computational Science questions.
I have a function$$f(z) = frac{1}{(z-z_1)(z-z_2)(z-z_3)(z-z_4)}$$All of ${z_1,z_2,z_3,z_4}$ are simple poles. The residuesfor this function are given as$$text{Res}(f(z),z_i)= limlimits_{zto zi}...
Asked on 10/23/2021
1 answerThe Q2-P1 element is one of the popular finite elements for incompressible flow problems in the mathematics community. For this element, the velocity field is approximated using bi-quadratic shape functions...
Asked on 10/23/2021
1 answerLet $A$ be the well known tridiagonal matrix coming from the 1D Finite difference discretization of the Laplacian, with stencil $frac{[1 quad-2 quad 1]}{h^2}$. The system $Ax...
Asked on 10/23/2021
0 answerCan you provide a jargon-free (as much as possible) explanation of what is meant by "dense ODE systems", and "sparse ODE systems"? Some hints I have gotten from Googling:dense ODE...
Asked on 10/23/2021
1 answerFor a flow simulation I am trying to reproduce a specific screw element design for an intermeshing co-rotating twin-screw extruder. I am using gmsh (v2.16) where the element is made...
Asked on 10/05/2021 by nluigi
2 answerI want to interpolate a vector field inside convex polygons in a polygonal mesh. For triangular meshes the scheme uses a piecewise constant interpolation in the triangle, discretized at the...
Asked on 10/04/2021
2 answerI am struggling to recombine the remaining triangular cells into unstructured quadrangular ones in this geometry using Gmsh. Do I need to add auxiliary lines somewhere or do some geometries...
Asked on 10/03/2021
1 answerI am used to running calculations on a server/cluster, and we have used both PBS and SLURM. However, I am looking to run some...
Asked on 10/03/2021 by kskinnerx16
2 answerThe main references of mesh generation methods in computer graphics (CG) I found are discrete Differential Geometry [1] and a famous book "Polygon Mesh Processing" [2], while the "Handbook of...
Asked on 10/02/2021
4 answerWith the guru interfaces of FFTW, I can apply transforms only to parts of a multidimensional array by modifying the fftw_iodim parameter (e.g., with fftw_plan_guru_r2r(...)). Unfortunately, there seems to be...
Asked on 10/01/2021 by Hannes
1 answerGet help from others!
Recent Answers
Recent Questions
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP