Find answers to your questions about Computational Science or help others by answering their Computational Science questions.
The 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 08/22/2021
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 08/22/2021
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 08/22/2021
1 answerI want to compress an array of time series floating point data as much as possible. Currently the only algorithm I've found for this is XOR compression which works well,...
Asked on 08/22/2021
1 answerIf I wanted to perform an optimization using a Newton-based solver where the Hessian and gradient of a function are known analytically, and then use a package such as Adept...
Asked on 08/18/2021 by Sal L
0 answerI am writing a simulation for a discrete stochastic dynamical system. Since the simulation is stochastic, I need to run the simulation multiple times and then average the values of...
Asked on 08/17/2021
1 answerI have discretized a PDE with continuous finite element method in spatial variable and with implicit Euler or Crank-Nicolson in temporal variable. In both cases, I have error estimates in...
Asked on 08/15/2021 by math_lover
1 answerI have a matrix $M$ with non-negative real entries, and I would like to minimize the objective function$$Phi(v) = |Mv|_infty,$$where $v$ is constrained to be...
Asked on 08/15/2021
2 answerI have a bunch of data points in 3D that lie along a few planes. What would be the best approaches to estimate the normals of these planes? Edit:...
Asked on 08/15/2021
3 answerI am making a code for an 18-node (3x3x2) 3D element FEM. However, even though I am (pretty) sure that all the shape functions are correct and whatnot, whenever I...
Asked on 08/13/2021 by Additional Pylons
2 answerGet help from others!
Recent Answers
Recent Questions
© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP