Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Uriarte, Carlos"'
Variational Physics-Informed Neural Networks often suffer from poor convergence when using stochastic gradient-descent-based optimizers. By introducing a Least Squares solver for the weights of the last layer of the neural network, we improve the con
Externí odkaz:
http://arxiv.org/abs/2407.20417
We develop and implement numerically a phase field model for the evolution and detachment of a gas bubble resting on a solid substrate and surrounded by a viscous liquid. The bubble has a static contact angle $\theta $ and will be subject to gravitat
Externí odkaz:
http://arxiv.org/abs/2403.12246
Autor:
Uriarte, Carlos
Partial differential equations have a wide range of applications in modeling multiple physical, biological, or social phenomena. Therefore, we need to approximate the solutions of these equations in computationally feasible terms. Nowadays, among the
Externí odkaz:
http://arxiv.org/abs/2403.09001
A Deep Double Ritz Method (D$^2$RM) for solving Partial Differential Equations using Neural Networks
Residual minimization is a widely used technique for solving Partial Differential Equations in variational form. It minimizes the dual norm of the residual, which naturally yields a saddle-point (min-max) problem over the so-called trial and test spa
Externí odkaz:
http://arxiv.org/abs/2211.03627
Autor:
Arrayás, Manuel, Bettsworth, Francis, Haley, Richard, Schanen, Roch, Trueba, José Luis, Uriarte, Carlos, Zavyalov, Vladislav, Zmeev, Dmitry
We present the working prototype of a levitation system designed for investigation of flows in cryogenic helium fluids. The current device allows the levitation of a superconducting sphere and has several provisions made for allowing precise control
Externí odkaz:
http://arxiv.org/abs/2210.16615
Publikováno v:
Scientific Reports 11, 20069 (2021)
We present a new mechanical probe to study the properties of superfluid $^3$He at microkelvin temperatures down to 100$\mu$K. The setup consists of a set of coils for levitating a superconducting sphere and controlling its motion in a wide variety of
Externí odkaz:
http://arxiv.org/abs/2107.07858
Publikováno v:
In Computer Methods in Applied Mechanics and Engineering 15 February 2023 405
Publikováno v:
In Chaos, Solitons and Fractals: the interdisciplinary journal of Nonlinear Science, and Nonequilibrium and Complex Phenomena February 2023 167
Publikováno v:
In Computer Methods in Applied Mechanics and Engineering 1 March 2022 391
Autor:
Arrayás, Manuel, Bettsworth, Francis, Haley, Richard, Schanen, Roch, Trueba, José Luis, Uriarte, Carlos, Zavyalov, Vladislav, Zmeev, Dmitry
Publikováno v:
Journal of Low Temperature Physics.
We present the working prototype of a levitation system designed for investigation of flows in cryogenic helium fluids. The current device allows the levitation of a superconducting sphere and has several provisions made for allowing precise control