Date/Time
Date(s) - 08/04/2024
11:30 am - 12:30 pm

Date/Time:  April 8, 2024 (11:30AM – 12:30PM)

Via Zoom:  972 8792 6728

Location:  HH 207

Speaker:  Pritpal Matharu (KTH)

Title:  Quadrature Methods via Line Interpolation and Approximation Functions for Particles in Microscale Flow

Abstract:  For axisymmetric particles in microscale flows, boundary integral methods can be utilized for numerical evaluation of flow velocity on and outside particle surfaces. Precomputation yields a highly efficient and accurate quadrature by expansion (QBX) method for singular integrals when evaluating on-surface. For evaluation close to the particle surface (nearly singular integrals), a line interpolation method aided by quadrature error estimates is introduced, within a framework that can be utilized for general kernels and in fast methods. I will also discuss approximation functions used for line interpolation, and various things to consider when dealing with such problems.