activity
20232026
most citedFlagellum Pumping Efficacy in Shear-Thinning Viscoelastic Fluids

3 citations · 4 across the 6 of their papers we have counts for

collaborators

6 papers

math.NA2026

Coupling-Aware Vanka Smoothing for Multigrid Preconditioning of the Implicit Immersed Boundary Equations

Cole Gruninger, Boyce E. Griffith

The immersed boundary (IB) method models fluid--structure interaction using the natural Lagrangian and Eulerian formulations of structural mechanics and fluid dynamics, respectivel…

math.NA2026

Composite B-Spline Current Deposition and Interpolation Operators for Thin-Wire Finite-Difference Time-Domain Simulations

Cole Gruninger, Boyce E. Griffith

Holland-Simpson thin-wire finite-difference time-domain (FDTD) simulations of obliquely oriented closed-loop antennas exhibit persistent low-frequency parasitic currents because th…

math.NA2024

Local Divergence-Free Immersed Finite Element-Difference Method Using Composite B-Splines

Lianxia Li, Cole Gruninger, Jae H. Lee +1

In the class of immersed boundary (IB) methods, the choice of the delta function plays a crucial role in transferring information between fluid and solid domains. Most prior work h…

math.NA2024

Composite B-Spline Regularized Delta Functions for the Immersed Boundary Method: Divergence-Free Interpolation and Gradient-Preserving Force Spreading

Cole Gruninger, Boyce E. Griffith

This paper presents an approach to enhance volume conservation in the immersed boundary (IB) method by using regularized delta functions derived from composite B-splines. The conve…

physics.flu-dyn2023★ 3 cited

Flagellum Pumping Efficacy in Shear-Thinning Viscoelastic Fluids

Aaron Barrett, Aaron L. Fogelson, M. Gregory Forest +3

Microorganism motility often takes place within complex, viscoelastic fluid environments, e.g., sperm in cervicovaginal mucus and bacteria in biofilms. In such complex fluids, stra…

physics.flu-dyn2023★ 1 cited

Benchmarking the Immersed Boundary Method for Viscoelastic Flows

Cole Gruninger, Aaron Barrett, Fuhui Fang +2

We present and analyze a series of benchmark tests regarding the application of the immersed boundary (IB) method to viscoelastic flows through and around non-trivial, stationary g…