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Certification

The purpose of this test case is to validate some of the analysis of a structure with custom sections with the inclusion of shear area in the analysis, specifically:

- Deflection
- Forces/Moments
- Non-linear Analysis using small displacement theory

The Structural 3D results were compared against a third party analysis software.

The structure is a 168-node, 446-member frame structure supported by fixed supports. The building exterior consists of 5 rectangular sections, with the base section having a dimension of 120x220 and where every succeeding level, the depth of the section decreases by 20mm. The horizontal members, as well as the exterior braces, have a circular section with a diameter of 30. The rectangular sections are comprised of a material property labelled as 'coconut wood', while the circular sections are made of a material property labelled 'bamboo'.

**Evaluation points:** 10

**Solve Type:** Non-Linear Analysis (14 iterations)

Result | Location | SkyCiv | Third Party | Difference |
---|---|---|---|---|

Moment Z | Member 78, End Node | 0.65826 kN-m | 0.65854 kN-m | -0.04252% |

Moment Y | Member 72, Start Node | 0.61653 kN-m | 0.61735 kN-m | 0.13283% |

Shear Y | Member 106, Start Node | 0.10206 kN | 0.10167 kN | 0.38359% |

Shear Z | Member 105, End Node | -3.07076 kN | -3.10246 kN | -1.02177% |

Reaction Y | Node 117 | -20.20429 kN | -20.21266 kN | -0.04141% |

Reaction Y | Node 76 | 14.89095 kN | 14.89485 kN | -0.02618% |

Deflection X | Node 86 | 5.04312 mm | 5.01348 mm | 0.59121% |

Deflection Y | Node 18 | -0.11258 mm | -0.11255 mm | 0.02665% |

Rotation Z | Node 116 | 0.00228 rad | 0.00227 rad | 0.44053% |

Rotation X | Node 110 | -0.00133 rad | -0.00133 | 0.00000% |

Showing global deflection results in the X through linear analysis

Showing global deflection results in the X through non-linear analysis