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Blog Articles

Apps

• 3D Viewer
• QCM Analyzer
• Sputter Calculator (alpha version)
• Turbofan Calculator
• XY Interpolation Program

Contamination

• CAD Based Particle Simulation Code
• CTSP Molecular Contamination Modeling Validation
• Detailed Surface Model
• Experimental investigation of QCM-derived sticking coefficients
• Free molecular flow in a cylindrical pipe – with multithreading
• JWST Contamination Deposition Analysis
• On partial pressure determination of condensable materials with a TQCM
• Particulate Contamination Transport on Orbiting Satellites
• Particulate Surface Adhesion Sandbox
• QCM Analyzer

Embedded Systems

• Arduino Plasma Simulation
• Computing pi with CPUs, GPUs, threads, MPI, Javascript, Arduino, and FPGAs
• USC ASTE-499 Applied Scientific Computing Debrief

Field Solvers

• 2D Finite Element Method in MATLAB
• Advection Diffusion Crank Nicolson Solver
• Exporting Magnetic Field from FEMM
• Finite Element Experiments in MATLAB
• Multigrid Solver
• Nonlinear Poisson Solver
• Potential Solver for Composite Dielectrics
• The Finite Difference Method
• The Finite Volume Method

Interactive

• 2D Data Plotting
• Advection Diffusion Crank Nicolson Solver
• Computing Intersections Between a Cubic Bezier Curve and a Line
• Direct Simulation Monte Carlo (DSMC) Method
• Flow in a Nozzle
• HTML5 + Javascript DSMC Simulation
• HTML5 for Scientific Computing
• Interactive Elliptic Mesh Generation with SVG and Javascript
• Interconnected Spheres Javascript Demo
• On partial pressure determination of condensable materials with a TQCM
• Particulate Surface Adhesion Sandbox
• Smooth Bézier Spline Through Prescribed Points
• Two Stream Instability Javascript Simulation
• XY Interpolation Program

Mesh Generation

• CAD Based Particle Simulation Code
• Interactive Elliptic Mesh Generation with SVG and Javascript
• Interpolation using an arbitrary quadrilateral
• Smooth Bézier Spline Through Prescribed Points

News

• 2013 IEPC at GWU
• A quick summary of the past six months
• Advanced PIC Course Debrief
• IEPC2013 Debrief
• Implementation of VTK-based 3D visualization capability in a solver GUI
• Initial Progress on Micro Cathodic Arc Thruster Plume Simulations
• Introduction to Modern Scientific Programming and Numerical Methods
• Scammers Everywhere
• Some recent papers
• USC ASTE-499 Applied Scientific Computing Debrief

Numerical Methods

• 2D Finite Element Method in MATLAB
• Bird’s DSMC0.FOR in Java
• Brief Intro to GPU PIC with CUDA
• Code Optimization: Speed up your code by rearranging data access
• Computing Intersections Between a Cubic Bezier Curve and a Line
• Computing pi with CPUs, GPUs, threads, MPI, Javascript, Arduino, and FPGAs
• Efficient Particle Data Structures
• Finite Element Particle in Cell (FEM-PIC)
• Flow in a Nozzle
• Get results faster with Java multithreading
• Interpolation using an arbitrary quadrilateral
• Introduction to Vlasov Solvers
• Multiscale Modeling of Hall Thrusters
• Nonlinear Poisson Solver
• Orthogonal Curvilinear Coordinates
• Particle In Cell Method in Cylindrical Coordinates
• Simple Particle In Cell Code in Matlab
• Stretched Mesh
• The Finite Volume Method
• Vorticity – Stream Function Formulation for Axisymmetric Flow

Papers and Codes

• CAD Based Particle Simulation Code
• Development of a Solid Fuel Adamantane Ion Thruster
• Dust Dynamics at Mesoscale Resolution
• Experimental investigation of QCM-derived sticking coefficients
• JWST Contamination Deposition Analysis
• Quasi Steady-State Testing Approach for High Power Hall Thrusters

Plasma Simulation

• Arduino Plasma Simulation
• Brief Intro to GPU PIC with CUDA
• Charge Exchange Collisions (CEX)
• Current Density Limit
• Direct Simulation Monte Carlo (DSMC) Method
• Dust Dynamics at Mesoscale Resolution
• Finite Element Particle in Cell (FEM-PIC)
• Fun with Raspberry Pi – plasma simulation code performance
• Leapfrog Particle Push (Velocity Integration)
• Loading an isotropic velocity distribution
• Monte Carlo Collisions (MCC) Example
• Particle In Cell Method in Cylindrical Coordinates
• Particle Push in Magnetic Field (Boris Method)
• Quasi Steady-State Testing Approach for High Power Hall Thrusters
• Setting up an Ubuntu Linux Cluster
• Simple Particle In Cell Code in Matlab
• The Electrostatic Particle In Cell (ES-PIC) Method
• Two Stream Instability Javascript Simulation

Starfish

• Effect of Ion Thruster Plume-Thermosphere Interaction on Satellite Aerodynamics in Very Low Earth Orbit
• Starfish DSMC Tutorial: Supersonic Jet and Argon Diffusion
• Starfish Tutorial Part 1: Domain, Boundaries, and a Potential Solver
• Starfish Tutorial Part 2: Particles and Animation
• Starfish Tutorial Part 3: Surface Interactions
• Starfish Tutorial Part 4: Steady State, Surface Flux, and Averaging
• Starfish Tutorial Part 5: Collisions and Chemical Reactions

Surface Interactions

• Detailed Surface Model
• Handling Surfaces: Line Triangle Intersection Example
• Modeling Diffuse Reflection (or How to Sample Cosine Distribution)
• Spacecraft Surface Charging
• Sputter Calculator (alpha version)
• Surface Erosion

Uncategorized

• 2020 Papers

Visualization

• 2D Data Plotting
• Converting Scalars to RGB Colormap
• Data Visualization with Java and VTK
• HTML5 + Javascript DSMC Simulation
• HTML5 for Scientific Computing
• Implementation of VTK-based 3D visualization capability in a solver GUI