Computational physics · plasma modeling · CFD

First-principles insight for complex systems.

Alfvénic LLC is the consulting and research practice of S. Eric Clark, Ph.D.—a plasma physicist and electrical engineer working across kinetic simulation, MHD, reacting flow, and scientific software.

Explore the research View capabilities
Three-dimensional hybrid plasma simulation showing magnetic field slices and particle populations
20+Years in computational science
3Advanced physics & EE degrees
20+Scholarly works
6Issued or published patents

Capabilities

Models built to answer the questions that matter.

From reduced-order reasoning to large GPU runs, the method follows the physics—not the other way around.

01 / Plasma

Kinetic & fluid plasma simulation

Hybrid kinetic-ion/fluid-electron PIC, fully kinetic PIC, MHD, drift-diffusion, and multiscale model development.

  • WarpX
  • PIC
  • Hybrid
  • MHD
02 / Fluids

CFD, reacting flow & DSMC

Continuum and particle methods for fluid, thermal, vacuum, rarefied-gas, and chemically reacting systems.

  • OpenFOAM
  • Fluent
  • COMSOL
  • DSMC
03 / Compute

Scientific software at scale

Numerical method implementation, GPU acceleration, HPC workflows, verification, validation, and simulation analysis.

  • C++
  • Python
  • MPI
  • GPU
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Selected research

Simulation as an instrument.

Research spanning laboratory astrophysics, collisionless shocks, plasma experiments, numerical methods, and model-to-data comparison.

Three-dimensional magnetic field and particle composite from a hybrid plasma simulation

Hybrid plasma simulation

Particle kinetics, fluid electrons, three-dimensional structure

Massively parallel hybrid modeling of laser-produced plasma expanding into a magnetized background.
Space-time contour showing the evolution of a magnetized collisionless shock

Collisionless shock formation

 Technical schematic of the Large Plasma Device experimental configuration

Experiment ↔ model

Background

Physics, engineering, and computation in one practice.

Eric’s work sits at the boundary between physical theory, numerical methods, experiments, and engineered systems. His experience spans particle and fluid plasma models, electromagnetics, thermionic systems, accelerator physics, laboratory astrophysics, signal processing, and cloud-scale scientific computing.

  • UCLAPh.D. Physics, 2016 · M.S. Physics, 2012
  • UCSDM.S. Electrical Engineering (Applied Physics), 2011
  • UCSDB.S. Physics, Computational Physics specialization, magna cum laude, 2006

  1. Alfvenic LLC

    Owner · simulation consulting for vacuum, plasma, and fluid systems.

  2. Lawrence Livermore National Laboratory

    Computational physicist and group leader working across accelerator, plasma, and electromagnetic simulation.

  3. Modern Electron

    Computational physicist and R&D manager developing thermionic energy-conversion technology.

  4. UCLA Physics & Astronomy

    Graduate researcher in laboratory astrophysics and massively parallel hybrid plasma simulation.

  5. SAIC

    Research engineer in scientific computing, radar, signal processing, and visualization.

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