USim

usim logo

is a fluid plasma modeling framework that simulates the dynamics of charged fluids or neutrals.

USim kelvin helmholtz instability simulationUsing structured or unstructured meshes, USim quickly and accurately solves such basic problems as shock and instability capturing in inviscid, compressible neutral gas flows (Euler equations) or profile evolution in ionized plasmas (ideal MHD equations).

Advanced USim packages also support increasingly complex fluid models such as Hall MHD, two-fluid plasma, and Navier-Stokes enabling increasingly detailed models of hypersonic flows and improved designs for high energy density laboratory plasma experiments. USim's built-in three-dimensional visualization capability, multi-platform availability (Linux, Mac, and Windows), and examples will get you up and running quickly.

Examples and documentation for each USim physics and algorithm option reduce your learning curve and ensure faster results.

USim Supports

  • hydrodynamics
  • magnetohydrodynamics
  • Hall magnetohydrodynamics
  • two-fluid plasmas
  • Navier-Stokes and Maxwell's equations

All Physics Models in USim

  • can be solved on structured, body fitted and unstructured meshes in multi-dimensions
  • support Cartesian, Spherical, and Cylindrical coordinate systems
  • work for single and multi-core systems
  • run on Windows, Mac OS X, and Linux operating systems

 Questions? Contact us.

 
USim flow over forward facing step density simulation
Flow Over Forward-facing Step Density

Density distribution for a simulation of compressible, supersonic flow over a forward-facing step using an unstructured mesh in USim for Basic Simulations.


USim magnetic reconnection simulation

Magnetic Reconnection

Simulation of the GEM challenge problem using the two-fluid capability of USim for High Energy Density Plasmas.


USim Rayleigh Taylor instability simulation

Rayleigh-Taylor Instability

Density distribution at the end of the linear growth stage for a simulation of the Rayleigh-Taylor instability using USim for Basic Simulations.

 
USim flow over forward facing step mach number simulation
Flow Over Forward-facing Step Mach Number

Flow mach number for a simulation of compressible, supersonic flow over a forward-facing step using an unstructured mesh in USim for Basic Simulations.

 

USim merging plasma jets simulation

Merging Plasma Jets

Simulation of merging plasma jets for the Plasma Liner Experiment using USim for High Energy Density Plasmas.


USim supersonic flow over cylinder simulation

Supersonic Flow Over Cylinder

Simulation of laminar supersonic flow over a cylinder, showing the formation of bow shock and the final steady wake, using USim for HyperSonics.

 
USim kelvin helmholtz instability simulation
Kelvin-Helmholtz Instability

Density distribution at the end of the linear growth stage for a simulation of the transonic Kelvin-Helmholtz instability using USim for Basic Simulations.

 

USim RAMC re-entry vehicle simulation

RAMC Reentry Vehicle

Simulation of a RAMC reentry vehicle, including 7 species chemical reactions, using USim for HyperSonics.


USim unstable plasma Z-pinch simulation

Unstable Plasma z-Pinch

Density distribution in the non-linear phase of an unstable plasma z-Pinch using USim for Basic Simulations.

 

usim overview thumbnail USim logo
A fluid plasma modeling framework that simulates the dynamics of charged fluids or neutrals.  More...

USim for Basic Simulations thumbnail USim for Basic Simulations logo
Solve basic fluid flow problems involving neutral and fully ionized gases.  More...

USim for Hypersonics thumbnail USim for Hypersonics logo
Model complex flows for hypersonic flight in applications such as hypersonic flight, scram jet design, and reentry vehicles.  More...

USim for HEDP thumbnail USim for HEDP logo
Model complex lab plasmas in applications such as magnetic reconnection, plasma liner experiments, and plasma accelerators.  More...

 

USim packages provide you with a diverse range of relevant examples, macros and the powerful graphical user interface to the simulation engine, together with embedded analysis tools. Functionality is collected in common packages to provide the pricing flexibility and convenience you want. Custom packages are also available to give even more flexibility in pricing. See the USim Features Matrix.

Request a free USim Evaluation or contact Tech-X Sales for a quote.


Product Datasheets

USim Product Brochure

USim for Basic Simulations Datasheet

USim for Hypersonics Datasheet

USim for HEDP Datasheet 

 

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