Computing beltrami fields

T Amari, C Boulbe, TZ Boulmezaoud - SIAM Journal on Scientific Computing, 2009 - SIAM
… In the fourth test, we propose computing force-free fields in cylindrical geometries and
comparing the nonlinear solution with linear and irrotational solutions computed with the same …

Fragmented Algorithm for Construction of Adapted Structured Computational Grids Based on Inverted Beltrami Equation

O Turar, D Akhmed-Zaki, G Khakimzyanov… - ECMOR XVII, 2020 - earthdoc.org
… of structured computational grids adapted to the field of values … of parallelization for
computational programs. But benefit of … border problem for inverted Beltrami equation. Adaptation …

Finite Element Computation of Beltrami Fields

R Rodríguez - Mecánica Computacional, 2014 - venus.santafe-conicet.gov.ar
… A large measure of the credit goes to Beltrami [1], who … Beltrami fields. On bounded domains,
the most natural boundary condition for this problem is H.η = 0, which corresponds to a field

Compression of surface registrations using beltrami coefficients

LM Lui, TW Wong, P Thompson, T Chan… - 2010 IEEE Computer …, 2010 - ieeexplore.ieee.org
… We can also estimate new registration fields using the reduced basis, which would be
more robust to noise. Thirdly, with the proposed algorithm, we can further make a statistically …

[BOOK][B] The Beltrami equation: a geometric approach

V Gutlyanskii, V Ryazanov, U Srebro, E Yakubov - 2012 - books.google.com
… adaptation, computer software, or … Beltrami equations with singularities. This is not only a
summary of our own long-term collaboration but also with that of many other authors in the field. …

An index for closed orbits in Beltrami fields

J Etnyre, R Ghrist - Physica D: Nonlinear Phenomena, 2001 - Elsevier
… In this paper, we give an application of these techniques to Beltrami fields on solid tori. One
… to compute the index is minimal: one needs information about the Beltrami field along some (…

Beltrami fields exhibit knots and chaos almost surely

A Enciso, D Peralta-Salas… - Forum of Mathematics …, 2023 - cambridge.org
… that a Gaussian random Beltrami field exhibits, which we obtain … of Beltrami fields on R3 and
of high-frequency Beltrami fields … Our next goal is to compute its covariance kernel, 𝜅, which …

Computation of quasi-conformal surface maps using discrete Beltrami flow

TW Wong, H Zhao - SIAM Journal on Imaging Sciences, 2014 - SIAM
… , we can compute the Beltrami flow of any homeomorphism adjustment as a vector field on
the … Then we introduce the Beltrami flow and define the vector field that adjusts the mapping …

Beltrami fields with nonconstant proportionality factor

JN Clelland, T Klotz - Archive for Rational Mechanics and Analysis, 2020 - Springer
… This computation provides a proof of Theorem 1.1 and also gives some … to compute the
size of the space of local Beltrami fields with constant proportionality factor f. This computation

A Calder\'{o} n Problem for Beltrami Fields

A Enciso, C Valero - arXiv preprint arXiv:2411.12511, 2024 - arxiv.org
… We then use this relation and knowledge of the symbol of the Dirichlet-to-Neumann map to
compute the symbol of the Beltrami normal-totangential map, and show that it determines the …