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Please excuse me if this question somehow looks trivial or not really interesting, but I recently have a hard time to convince someone else that my algorithm for constructing a...
Asked on 02/19/2021 by Alone Programmer
1 answerI want to compare the field of two electrical currents and compare the resulting field to a magnetic dipol field and find magnetic momentum that minimizes the difference of the...
Asked on 02/19/2021
1 answerImagine we have a simple 2D FEM solver (we are dealing with solid mechanics) and we would like to develop it to a 3D FEM solver (let's say for the...
Asked on 02/18/2021 by Dude
1 answerI have a point $y in mathbb{R}^d$ and a convex polyhedron $mathcal{P}$ given as the intersection of half-spaces: $$mathcal{P} = {x in mathbb{R}^d mid a_1 cdot x...
Asked on 02/17/2021
1 answerI believe, I have a parametric nonlinear optimization problem.The non-convex constraints depend on some parameters, and I seek a solution that satisfies these constraints for all parameters in a...
Asked on 02/17/2021 by vaiana
0 answerOur data set has $10^4$ data points, but has a long baseline and many gaps. As the histogram shows, the horizontal-axis is time and most of...
Asked on 02/16/2021
1 answerI am now working on solving MHD equations with finite difference method, which include nonlinear equations:$$frac{partialrho}{partial t}+nablacdotleft[left(rho_0+rhoright){v}right]-nablacdotleft(dnablarhoright)=0frac{partial{v}}{partial t}+nabla{{v}}cdot{{v}}-frac{1}{rho+rho_0}left[{j}_0times{B}+left(nablatimes{B}right)timesleft({B}+{B}_0right)right]-nablacdotleft(nunabla{v}right)=0frac{partial{B}}{partial t}-nablatimesleft({v}times{B}right)-etanabla^2{{B}}=0$$where $rho$,$v=(v_x,v_y,v_z)$,$B=(B_x,B_y,B_z)$...
Asked on 02/16/2021 by Nothingts
1 answerI am trying to solve the Navier Stokes equations using the finite element method. I plan on using the pressure correction method to deal with the pressure and an implicit...
Asked on 02/15/2021
4 answerI have a 2D SDF describing my shape, but it's fine to think of it as a black/white image (black="inside" white="outside"). I want to generate a small...
Asked on 02/15/2021 by jwd
1 answerIsogeometric analysis [1] has the advantage of integrating geometric and mesh models using NURBS or Spline. At the same time, I would like to ask a question to my...
Asked on 02/15/2021 by Dong Ivan
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