DOLFIN User Manual - FEniCS Project
DOLFIN User Manual - FEniCS Project DOLFIN User Manual - FEniCS Project
DOLFIN User ManualHoffman, Jansson, Logg, Wellsclass MyNonlinearFunction : public NonlinearFunction{public:// ConstructorMyNonlinearFunction() : NonlinearFunction(){}// Compute F(u)void F(Vector& b, const Vector& x){// Insert F(u) into the vector b}// Compute Jvoid J(Matrix& A, const Vector& x){// Insert the Jacobian into the matrix A}dolfin::uint size(){// Return the dimension of the Jacobian matrix}dolfin::uint nzsize(){// Return the maximum number of zeroes per row of J}private:// Pointers to objects with which F(u) is defined};54
DOLFIN User ManualHoffman, Jansson, Logg, Wells8.2 Newton solver8.2.1 Linear solver8.2.2 Application of Dirichlet boundary conditionsThe application of inhomogenuous Dirichlet boundary conditions in the contextof a Newton solver requires particular attention.8.2.3 Newton solver parameters8.2.4 Application of Dirichlet boundary conditions8.3 Incremental Newton solver55
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- Page 25 and 26: Chapter 3Linear algebra◮ Develope
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- Page 29 and 30: Chapter 4The mesh◮ Developer’s
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- Page 33 and 34: Chapter 5Functions◮ Developer’s
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- Page 43: Chapter 6Ordinary differential equa
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- Page 65 and 66: Chapter 10The log systemDOLFIN prov
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<strong>DOLFIN</strong> <strong>User</strong> <strong>Manual</strong>Hoffman, Jansson, Logg, Wells8.2 Newton solver8.2.1 Linear solver8.2.2 Application of Dirichlet boundary conditionsThe application of inhomogenuous Dirichlet boundary conditions in the contextof a Newton solver requires particular attention.8.2.3 Newton solver parameters8.2.4 Application of Dirichlet boundary conditions8.3 Incremental Newton solver55
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