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I have a transformation matrix which takes in the elastic constants from the local $rtl$ coordinates and then converts the elastic constants to the global $xyz$ coordinates via a rotation...
Asked on 07/31/2020
3 answerWhat are the pros of Fourier-Galerkin spectral methods while solving PDEs? Here's the one that came in my mind first:Easy implementation: using this method, differentiation operator computation is really simple...
Asked on 07/28/2020
1 answerI am trying to solve an equation of the following type$$partial_zE(z)=-c_0J$$with $$J=c_1beta E^3(z)$$using the boost::odeint-framework and a fixed time stepper, with $c_0$, $c_1$...
Asked on 07/28/2020 by arc_lupus
0 answerBackgroundIn solid fem, we often solve $$mathbf{Ku}=mathbf{p}$$where $mathbf{K}$ is global stiffness matrix, $mathbf{u}$ is displacement, $mathbf{p}$ is global load vector. If displacement not be constrained,...
Asked on 07/25/2020 by Xu Hui
3 answerI have a multiple CPU system weakly connected and memory access is slow when one CPU accesses the others memory. The CPUs uses NUMA. How can I make TensorFlow adjust...
Asked on 07/25/2020 by David Jonsson
0 answerI am transferring a finite element code from Matlab to Python. A problem occurs at the last step when I try to solve the displacement $U = F/K$.I...
Asked on 07/24/2020 by Jiaming Ma
0 answerI need to use a Discrete-time Algebraic Riccati Equation (DARE) solver for an embedded controller (with limited processing power) in a research project and sadly, I can't find any implementation...
Asked on 07/22/2020
2 answerI am trying to solve a system of non-linear index-1 DAEs in which the derivatives of the state variables, $x(t)$ are corrupted by additive noise, $w(t)$ (whose co-variance matrix is...
Asked on 07/22/2020 by Krishna
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