Jan Valdman

Last seen: en dag ago | Active since 2010

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Associate professor of applied mathematics https://sites.google.com/site/janvaldman/ Professional Interests: FEM, nonlinear computational mechanics, a posteriori error estimates, MATLAB vectorizations

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Submitted

Equilibria of economical models with cost of change
Evaluations of Cournot-Nash and Stackelber-Cournot-Nash equilibria for models with several firms using Gauss method

7 månader ago | 10 downloads |

Submitted

Evaluation of intrinsic rotations
We provide an alternative to the function rotm2eul from Robotics System Toolbox and comparisons.

9 månader ago | 1 download |

Submitted

HADAMARD’S INEQUALITY IN THE MEAN
Evaluation of the HADAMARD’S INEQUALITY IN THE MEAN in 2 space-dimensions.

11 månader ago | 2 downloads |

Submitted

Enlarge figure axes by a given factor
Given a figure with (eg. tight) axes, this simple code automatically recalculates and enlarges axes them by a prescribed factor....

mer än ett år ago | 1 download |

Submitted

Constitutive model of shape memory alloys
An unconstrained minimization of FEM discretized energies.

mer än ett år ago | 10 downloads |

Submitted

Semismooth* Newton method for contact friction problems
Finite element solution of a contact problem with a Tresca friction by the semismooth* Newton method.

nästan 3 år ago | 1 download |

Submitted

Simulation of von Kármán viscoelastic plates
A quasistatic evolution of viscoelastic von Kármán plates.

mer än 4 år ago | 2 downloads |

Submitted

Implementation of C1 FEM
Detailed implementation of Bogner-Fox-Schmit elements.

nästan 5 år ago | 1 download |

Submitted

Hyper elasticity with a non-penetration condition
A 2D FEM solver based on an energy minimisation formulated in C^1 deformation including a new non-penetration term.

ungefär 5 år ago | 1 download |

Submitted

Element-based Solvers
2D Poisson's solver using only local FEM matrices without the global matrix assembly.

ungefär 5 år ago | 2 downloads |

Submitted

Evolutionary model for shape memory alloys
Software for a new article - more details later

mer än 5 år ago | 3 downloads |

Submitted

Fast elastoplastic FEM assembly
Vectorized assembly of FEM matrices and including complete calculations of elastoplasticity benchmarks.

mer än 5 år ago | 5 downloads |

Submitted

Fast FEM assembly: nodal elements
Vectorized assembly of FEM matrices.

mer än 5 år ago | 7 downloads |

Submitted

Fast FEM assembly: edge elements
Vectorized assembly of FEM matrices.

mer än 5 år ago | 6 downloads |

Submitted

Computation of the Friedrichs and Poincare constants in 2D/3D
Computation of Friedrichs and Poincare constants in 2D/3D from generalized eigenvalue problems.

ungefär 6 år ago | 1 download |

Submitted

Error identities for variational problems with obstacles
Calculaton of Error identities for variational problems with obstacles

mer än 6 år ago | 1 download |

Submitted

Continuum undergoing combined elasto-plasto-damage transformation.
Time-dependent evolution of the continuum undergoing combined elasto-plasto-damage transformation.

nästan 7 år ago | 4 downloads |

Submitted

Lagrange polynomial and its subpolynomials
Construction of the Lagrange interpolation polynomial from its definition.

ungefär 7 år ago | 1 download |

Submitted

Two-phase obstacle problem in 2D and its aposteriori error estimate
Calculation of two-phase obstacle problem in 2D and its a posteriori error estimate

mer än 7 år ago | 1 download |

Submitted

Edges generation
Algorithm generates edges of a conforming 2D/3D triangulation.

mer än 7 år ago | 2 downloads |

Submitted

Quadrature of the absolute value of a function
Quadrature of the absolute value of a function

ungefär 8 år ago | 1 download |

Submitted

Two-phase obstacle problem in 1D and its aposteriori error estimate
Calculation of two-phase obstacle problem and its a posteriori error estimate

ungefär 8 år ago | 1 download |

Submitted

Obstacle problem in 2D and its aposteriori error estimate
An obstacle problem is solved and the error of the solution is estimated

ungefär 9 år ago | 1 download |

Submitted

3D Crouzeix-Raviart mortar finite element method
Implementation of 3D Crouzeix-Raviart mortar finite element

ungefär 9 år ago | 3 downloads |

Submitted

Double porosity model
Finite element solution of the double porosity model and its a posteriori error estimate

ungefär 9 år ago | 4 downloads |

Submitted

Thermo-magnetic solver
Simulation of a mesoscopic model of temperature/external field-driven evolution of magnetization

mer än 9 år ago | 2 downloads |

Submitted

Obstacle problem in 1D and its aposteriori error estimate
Contact problem is solved by the Uzawa algorithm and the error of the solution is estimated.

mer än 10 år ago | 1 download |

Submitted

Rotating symetric elastic ring with a friction boundary condition
Animation of a rotating elastic ring subjected to time dependent periodical boundary conditions.

mer än 13 år ago | 1 download |

Submitted

Two-yield elastoplasticity solver
Time-dependent 2D elastoplasticity solver for a two-yied model.

nästan 14 år ago | 2 downloads |

Jan Valdman

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