### Calculates the buckling modes of the given model under a specified load case and the buckling load factors. Returns positive buckling load factors only.

## Inputs

Name | ID | Description | Type |

**Model** | Model | Model for which to calculate buckling-modes | Model |

**From index** | FromInd | Index of first buckling-mode to be calculated. Numbering starts from one. The first one governs the problem. | Integer |

**Number of modes** | NModes | Number of modes to be calculated. | Integer |

**Maximum number of iterations** | MaxIter | Maximum number of Mises vector iterations for determining the eigenvalues. | Integer |

**Epsilon** | Eps | Convergence criteria for calculating the eigenvalues. | Number |

## Outputs

Name | ID | Description | Type |

**Model with buckling-modes as load-case results** | Model | Model with buckling-modes stored as load-cases. | Model |

**Buckling-load-factors** | BLFacs | Buckling load factors for the selected load-case. | Number |