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  8. Oct 31, 2015
    • Henry Weller's avatar
      equationOfState/Boussinesq: New equation of state for the Boussinesq... · dfecb23b
      Henry Weller authored
      equationOfState/Boussinesq: New equation of state for the Boussinesq approximation for buoyant flows
      
      Description
          Incompressible gas equation of state using the Boussinesq approximation for
          the density as a function of temperature only:
      
          \verbatim
              rho = rho0*(1 - beta*(T - T0))
          \endverbatim
      
      To be used with the buoyantPimpleFoam and buoyantSimpleFoam solvers as
      an alternative to using buoyantBoussinesqPimpleFoam or
      buoyantBoussinesqSimpleFoam, providing consistency with all other
      solvers and utilities using the thermodynamics package in OpenFOAM.
      dfecb23b
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    • Henry Weller's avatar
    • Henry Weller's avatar
      sixDoFSolver: Run-time selectable solver (integrator) for sixDoFRigidBodyMotion · 95c4f934
      Henry Weller authored
      The built-in explicit symplectic integrator has been replaced by a
      general framework supporting run-time selectable integrators.  Currently
      the explicit symplectic, implicit Crank-Nicolson and implicit Newmark
      methods are provided, all of which are 2nd-order in time:
      
      Symplectic 2nd-order explicit time-integrator for 6DoF solid-body motion:
      
          Reference:
              Dullweber, A., Leimkuhler, B., & McLachlan, R. (1997).
              Symplectic splitting methods for rigid body molecular dynamics.
              The Journal of chemical physics, 107(15), 5840-5851.
      
          Can only be used for explicit integration of the motion of the body,
          i.e. may only be called once per time-step, no outer-correctors may be
          applied.  For implicit integration with outer-correctors choose either
          CrankNicolson or Newmark schemes.
      
          Example specification in dynamicMeshDict:
          solver
          {
              type    symplectic;
          }
      
      Newmark 2nd-order time-i...
      95c4f934
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