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Advanced Simulation Library

Advanced Simulation Library
Multicomponent flow simulation
Developer(s) Avtech Scientific
Initial release 14 May 2015
Stable release 0.1.6 / 24 August 2015
Operating system Unix/Linux, Windows, Mac
Type Multiphysics, Computer-aided engineering, Computational fluid dynamics, Simulation software
License GNU Affero General Public License, optional commercial license
Website .il.orgasl
Multicomponent flow video
Computer-assisted cryosurgery
Simulation of a microfluidic device for separating mixtures of proteins
Coating procedure employing Physical Vapor Deposition (PVD) method
Image-guided neurosurgery, brain deformation simulation
Aerodynamics of a locomotive in a tunnel

Advanced Simulation Library (ASL) is free and open source hardware accelerated multiphysics simulation software. It enables users to write customized numerical solvers in C++ and deploy them on a variety of massively parallel architectures, ranging from inexpensive FPGAs, DSPs and GPUs[1] up to heterogeneous clusters and supercomputers. Its internal computational engine is written in OpenCL and utilizes variety of advanced numerical methods,[2] i.a. Finite Difference, Lattice Boltzmann, Immersed Boundary. ASL can be used to model various coupled physical and chemical phenomena, especially in the field of Computational fluid dynamics. It is distributed under the free GNU Affero General Public License with an optional commercial license.


  • History 1
  • Application areas 2
  • Advantages and disadvantages 3
    • Advantages 3.1
    • Disadvantages 3.2
  • Features 4
  • Uses 5
  • References 6


Advanced Simulation Library is being developed by Avtech Scientific, an Israeli company. Its source code was released to the community on 14 May 2015 whose members packaged it for scientific sections of all major Linux distributions shortly thereafter.[3][4][5][6][7][8] Subsequently Khronos Group and IWOCL acknowledged the significance of ASL and listed it on their websites among OpenCL-based resources.[9][10]

Application areas

Advantages and disadvantages


  • Easy to learn C++ API[11] (no OpenCL knowledge required)
  • High performance[12]
  • Automatic hardware acceleration and parallelization of applications
  • Deployment of same program on a variety of parallel architectures - GPU, APU, FPGA, DSP, multicore CPUs
  • Ability to deal with complex boundaries
  • Ability to incorporate microscopic interactions
  • Availability of the source code


  • Absence of detailed documentation (besides the Developer Guide generated from the source code comments)
  • Not all OpenCL drivers are mature enough for the library[13]


ASL provides a range of features to solve number of problems - from complex fluid flows involving chemical reactions, turbulence and heat transfer, to solid mechanics and elasticity.[14]

  • Interfacing: VTK/ParaView, MATLAB (export).
    • import file formats: .stl .vtp .vtk .vti .mnc .dcm
    • export file formats: .vti .mat
  • Geometry:
    • flexible and complex geometry using simple rectangular grid
    • no mesh generation needed
    • generation and manipulation of geometric primitives
  • Implemented phenomena:
    • Transport processes
      • multicomponent transport processes
      • compressible and incompressible fluid flow
    • Chemical reactions
      • electrode reactions
    • Elasticity
      • homogenious isotropic elasticity
      • homogenious isotropic poroelasticity
    • Interface tracking
      • evolution of an interface
      • evolution of an interface with crystalographic kinetics


  • ACTIVE - Active Constraints Technologies for Ill-defined or Volatile Environments (European FP7 Project)[15][16][17]


  1. ^ "ASL - expanding software ecosystem for the DSP/FPGA/GPU market" (PDF). 
  2. ^ "Khronos: ASL open-sourced". 
  3. ^ "ASL enters Linux". 
  4. ^ "ASL for OpenSuse". 
  5. ^ "ASL for Debian". 
  6. ^ "ASL for Gentoo". 
  7. ^ "ASL for Fedora". 
  8. ^ "ASL for Arch Linux". 
  9. ^ "ASL among Khronos' OpenCL resources". 
  10. ^ "ASL among IWOCL's OpenCL resources". 
  11. ^ "Example of an aerodynamic simulation". 
  12. ^ "Example of an aerodynamic simulation - numerical setup". 
  13. ^ "ASL deployment: problematic drivers". 
  14. ^ "About Advanced Simulation Library:". 
  15. ^ "ACTIVE Project: Intraoperative Brain Shift". 
  16. ^ "ASL on". 
  17. ^ "ASL on". 

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