86 void operator=(
const DBFGS&) =
delete;
109 virtual ~DBFGS() =
default;
The quasi-Newton BFGS formula with the dampening proposed by Powell.
label nConstraints() const
Get the number of constraints.
A list of keyword definitions, which are a keyword followed by a number of values (eg...
void update()
Update design variables.
fileName::Type type(const fileName &name, const bool followLink=true)
Return the file type: DIRECTORY or FILE, normally following symbolic links.
Base class for quasi-Newton methods.
A class for handling words, derived from Foam::string.
void updateHessian()
Update approximation of the inverse Hessian.
scalar gamma_
Threshold for damping.
virtual ~DBFGS()=default
Destructor.
Mesh data needed to do the Finite Volume discretisation.
TypeName("DBFGS")
Runtime type information.
Pointer management similar to std::unique_ptr, with some additional methods and type checking...
scalar curvatureThreshold_
Curvature threshold.