|
2D periodic rheology simulation via boundary integral equations: 25 rigid neutrally-buoyant ellipses per unit cell in a shearing Stokes flow (with J. Wang, E. Nazockdast; JCP '21)
|
Timings of our ARDC solver vs others,
for a 2nd-order oscillatory ODE with frequency λ,
via adaptive defect correction for the Riccati phase function
(with F. Agocs; SINUM '23).
|
3D acoustic wave equation via high-order Volterra time-domain boundary integral equations: pulsed plane wave scattering from smooth cruller shape to 5-digit accuracy (with T. Hagstrom, L. Greengard; JCP '20).
|
|
Fresnel scalar diffraction intensity from a hard-edged occulter,
to 12-digit accuracy, at 106 targets, in 0.05 s on a laptop.
The petal design is a "starshade" for exoplanet astronomy
(JATIS '21).
|
Lower bounds on rate of exponential ill-conditioning of rectangular submatrices of the discrete Fourier matrix, using the Kasier-Bessel window as an analytic tool (SIREV '22).
|
