Computational Mechanics


Contact Information

Christopher J. Freitas, Ph.D., P.E.
Senior Program Manager
Computational Mechanics
(210) 522-2137
cfreitas@swri.org

image: Simulation of release of fuel into the atmosphere (CFD simulation).

Simulation of release of fuel into the atmosphere (CFD simulation). View the video.

 

image: Simulation of penetration of a yawed long rod into a target (hydrocode simulation)

Simulation of penetration of a yawed long rod into a target (hydrocode simulation)

 

image: Simulation of detonation of an explosive device in a structure (hydrocode simulation) image: Simulation of detonation of an explosive device in a structure (hydrocode simulation)

Simulation of detonation of an explosive device in a structure (hydrocode simulation)

State-of-the-art computational tools using large-scale numerical simulations are developed and applied by Computational Mechanics Section technical staff at Southwest Research Institute (SwRI) to solve a broad range of client problems. These tools include:

SwRI has expertise in structured and unstructured grid solvers using either finite volume or finite element methods and maintains a large suite of codes for simulating:

  • Compressible or incompressible flows
  • Structural response and deformation
  • Thermal and chemical reaction effects
  • Other complex physics such as turbulence modeling

Computational Mechanics Capabilities

  • Code development
  • Code enhancement and modification
  • Penetration mechanics
  • Computational constitutive modeling
  • Warhead modeling
  • CFD
  • Fluid-structure interaction
  • Computational fracture mechanics
  • Multiphase transport modeling
  • Energetic material modeling
  • Material behavior prediction
  • Turbulence modeling
  • Numerical uncertainty
  • Numerical methods development

Computational Mechanics Experience

  • Development and implementation of physical models
  • Simulation of large deformation, dynamic phenomena
  • Simulation of large-scale processes and systems
  • Application of computer programs to real-world problems
  • Development of new algorithms for complex, multidisciplinary problems

Computational Tools

  • High-end workstations (Unix®, Linux®, and Windows®)
  • Parallel computers (Beowulf systems)
  • Fast switched-ethernet and ATM networks
  • Access to NSF, NASA, DoD and DOE supercomputers
  • SwRI-developed codes
  • Select commercial codes
Image: Walker-Anderson analytical model prediction of penetration (engineering codes/tools)

Walker-Anderson analytical model prediction of penetration
(engineering codes/tools)

 

Image: Simulation of high explosive detonation in an urban center (CFD simulation)

Simulation of high explosive detonation in an urban center (CFD simulation)

Related Terminology

computational mechanics  •  computational  •  tools  •  computational simulation • hydrocodes • engineering codes computational fluid dynamics • CFD • numerical simulation  •  finite volume methods  •  eulerian methods  •  lagrangian methods  •  arbitrary  •  lagrangian/eulerian methods  •  ALE methods  •  fluid flow  •  material response  •  deformation  •  penetration  •  fracture

Benefiting government, industry and the public through innovative science and technology
Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 10 technical divisions.
04/08/16