activity
20212023
most citedTime Integrator Agnostic Charge Conserving Finite Element PIC

12 citations · 23 across the 6 of their papers we have counts for

collaborators

6 papers

math.OC2023★ 1 cited

A Transient Port-Extraction Technique for Antenna Feed Optimization

Sean F. DePalma, Omkar H. Ramachandran, Leo C. Kempel +1

Optimization of strongly non-linear tightly coupled feeds attached to antennas is a challenging problem from a purely computational perspective. One can imagine that an optimizatio…

math.NA2023★ 5 cited

A Charge Conserving Exponential Predictor Corrector FEMPIC Formulation for Relativistic Particle Simulations

Omkar H. Ramachandran, Leo C. Kempel, John Luginsland +1

The state of art of charge-conserving electromagnetic finite element particle-in-cell has grown by leaps and bounds in the past few years. These advances have primarily been achiev…

physics.comp-ph2022★ 2 cited

An Envelope Tracking Approach for Particle in Cell Simulations

Omkar H. Ramachandran, Zane D. Crawford, Scott O'Connor +2

The state of the art in electromagnetic Finite Element Particle-in-Cell (EM-FEMPIC) has advanced significantly in the last few years. These have included understanding function spa…

physics.comp-ph2021★ 1 cited

Higher Order Charge Conserving Electromagnetic Finite Element Particle in Cell Method

Zane D. Crawford, O. H. Ramachandran, Scott O'Connor +2

Until recently, electromagnetic finite element PIC (EM-FEMPIC) methods that demonstrated charge conservation used explicit field solvers. It is only recently, that a series of pape…

eess.SP2021★ 2 cited

Port Parameter Extraction Based Self Consistent Coupled EM-Circuit FEM Solvers

O. H. Ramachandran, Scott O'Connor, Zane D. Crawford +2

Self consistent solution to electromagnetic (EM)-circuit systems is of significant interest for a number of applications. This has resulted in exhaustive research on means to coupl…

physics.plasm-ph2021★ 12 cited

Time Integrator Agnostic Charge Conserving Finite Element PIC

Scott O'Connor, Zane D. Crawford, O. H. Ramachandran +2

Developing particle-in-cell (PIC) methods using finite element basis sets, and without auxiliary divergence cleaning methods, was a long standing problem until recently. It was sho…