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I have two masses, and two springs which are atattched to a wall on one end. For context I attached the system of equations....
Asked on 01/30/2021 by J Wright
1 answerI've spent the last couple of months on coding a Fortran program for solving a particular PDE system (describes fluid flow/combustion). I tryed to use latest-standard Fortran and the new...
Asked on 01/30/2021 by tiam
6 answerI've been trying to track this down, but google is giving paywall papers that don't appear to be directly related to computational science, or simply don't explain the source algorithm....
Asked on 01/29/2021 by whn
1 answerIn linear elasticity, the governing PDE is the equilibrium equations (absent of vibration considerations): $$-nabla cdot sigma = F$$ Is this equation simply derived from the sum...
Asked on 01/29/2021
3 answerSimple paraphrase of my question is what is the best way to use a table or curve as an input for an optimization problem in Gekko (and/or AP Monitor)? For...
Asked on 01/28/2021 by nomad
1 answerI want to detect chords on a guitar as early as possible, but my approach with a sliding window and a filter bank seems to introduce too much lag. Would...
Asked on 01/26/2021
2 answerIn his talk "What is a good linear finite element?", Shewchuk states that small dihedral angles in linear tetrahedra elements cause ill-conditioning of the stiffness matrix. Do small...
Asked on 01/22/2021 by J. Heller
3 answerI wish to solve the system $T.X=Y$ where is block band Toeplitz and the unkown. In my case, has a particular form: the blocks are symmetric...
Asked on 01/21/2021 by DgSl
0 answerThanks for note! So I have an optimization problem with simple form but the decision variable is a large-scale matrix. My problem is similar to a existing problem here...
Asked on 01/21/2021 by Hu jiaran
1 answerI'm doing some particle-in-cell (PIC) simulations of propagation of short pulses in plasmas with a widely used code. This code uses Yee's field solver. So, the timestep must be lower...
Asked on 01/21/2021 by apadana
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