walker::VelocityCoeffConstShear class

Velocity equation coefficients policy with prescribed mean shear

Public static functions

static auto type() -> ctr::CoeffPolicyType noexcept: Coefficients policy type accessor.

VelocityCoeffConstShear(kw::sde_c0::info::expect::type C0_, kw::sde_c0::info::expect::type& C0, std::array<tk::real, 9>& dU): Constructor: initialize coefficients.

void update(char depvar, char dissipation_depvar, const std::map<tk::ctr::Product, tk::real>& moments, const tk::Table<1>&, ctr::DepvarType solve, ctr::VelocityVariantType variant, kw::sde_c0::info::expect::type C0, tk::real, tk::real& eps, std::array<tk::real, 9>& G) const: Update the model coefficients prescribing shear.

Constructor: initialize coefficients.

Parameters
C0_ in	Value of C0 parameter in the Langevin model
C0 in/out	Value of to set the C0 parameter in the Langevin model
dU in/out	Prescribed mean velocity gradient

Update the model coefficients prescribing shear.

Parameters
depvar in	Dependent variable for of this SDE
dissipation_depvar in	Dependent variable for coupled dissipation eq
moments in	Map of statistical moments
solve in	Configured dependent variable to solve for
variant in	Velocity model variant configured
C0 in	Coefficient C0 in the Langevin model
eps in/out	Dissipation rate of turbulent kinetic energy
G in/out	Coefficient tensor (3x3) in the Langevin equation

Update the dissipation rate (eps) and G_{ij} based on the turbulent kinetic energy (k) for a prescribed honmogeneous shear flow.