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One common use case for composite forces is to get composite forces acting on a girder where the girder and the deck is modeled using separate finite elements. In such case, rather than the forces in the individual finite elements, you would be interested in composite forces formed by the elements of the girder and the contributing deck over the girder.
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Extracting Displacement
Input Type | Critical Result Extraction | Positive Result Extraction | Negative Result Extraction |
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Extracting ForceExtracting Force
force(Case,Element,Station) → List of Number ([Fx,Fy,Fz,MxMy,Mz]) | ||
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forceFx(Case,Element,Station) = force(Case,Element,Station)[0] → Number (Fx) | ||
forceFy(Case,Element,Station) = force(Case,Element,Station)[1] → Number (Fy) | ||
forceFz(Case,Element,Station) = force(Case,Element,Station)[2] → Number (Fz) | ||
forceMx(Case,Element,Station) = force(Case,Element,Station)[3] → Number (Mx) | ||
forceMy(Case,Element,Station) = force(Case,Element,Station)[4] → Number (My) | ||
forceMy(Case,Element,Station) = force(Case,Element,Station)[5] → Number (Mz) | ||
Case : Object | Element : Object | Station : Number |
T=”AnalysisCase“ T=”Combination” | T=”Node” T=”FELine” T=”FESurface” T=”FEComposite” | Node → Leave empty FELine → 0 for start edge, 1 for end edge FESurface → 0,1,2,4 for edge nodes FEComposite → The distance from the start point of FEComposite path |
force(Case,Node Coordinate) → List of Number ([Fx,Fy,Fz,MxMy,Mz]) | ||
forceFx(Case,Node Coordinate) = force(Case,Node Coordinate)[0] → Number (Fx) | ||
forceFy(Case,Node Coordinate) = force(Case,Node Coordinate)[1] → Number (Fy) | ||
forceFz(Case,Node Coordinate) = force(Case,Node Coordinate)[2] → Number (Fz) | ||
forceMx(Case,Node Coordinate) = force(Case,Node Coordinate)[3] → Number (Mx) | ||
forceMy(Case,Node Coordinate) = force(Case,Node Coordinate)[4] → Number (My) | ||
forceMy(Case,Node Coordinate) = force(Case,Node Coordinate)[5] → Number (Mz) | ||
Case : Object | Node Coordinate : List of Number | |
T=”AnalysisCase“ T=”Combination” | [X coordinate, Y coordinate, Z coordinate] → If you don't have direct access to the node object, you can pass in a coordinate as a list of 3 numbers (this only applies to nodes, will not work for finite element). OpenBrIM will find the node that is closest to the specified coordinate and return the results. | |
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Extracting Stress
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