Implements 2D linear triangular three-node finite element for FreeWarping analysis. Each node has 1 degree of freedom. The node numbering is anti-clockwise. The element features are summarized in Table 43.

Keyword | TrWarp |

Description | 2D linear triangular warping element |

Specific parameters | - |

Unknowns | One dof (the value of deplanation function) is required in each node. |

Approximation | Linear approximation of displacements and geometry. |

Integration | Integration using one point gauss integration formula. |

Features | This type of element is supported in FreeWarping analysis only. |

CS properties | Only warpingCS is supported. |

Loads | Edge loads corresponding to free warping problem are generated automatically. Additional edge loads are not supported. |

Nlgeo | 0. |

Status | - |

Note | Test case: sm/freewarpingtest2.in |