About

USimBasicSimColor Perfect for learning basic fluid flow problems involving neutral and fully ionized gases.

 

USim flow over forward facing step density simulation

USim for Basic Simulations examples and documentation demonstrating basic fluid flow, including shocks and instabilities, as well as meshing capabilities, including regular, body-fitted, and unstructured, reduce your learning curve and ensure faster results.

 

Features

  • Inviscid, compressible fluid flow for neutral gas (Euler equations)
  • Compressible fluid flow for fully ionized gas in the magnetohydrodynamic limit (Ideal MHD equations)
  • Ideal Gas equation of state

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Example Simulations Included

 

Images

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.

 

 
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