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| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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start:plugins:rhinobeamtools:rbt-usermanual [2021/03/15 11:38] adminmar Grammatical and spelling check |
start:plugins:rhinobeamtools:rbt-usermanual [2021/04/22 11:23] adminmar [RBT_Export] Added Particularities of RDM6-7 |
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| Beams are oriented lines located between two nodes ((More specifically, | Beams are oriented lines located between two nodes ((More specifically, | ||
| Every beam in the model is identified by a unique number. | Every beam in the model is identified by a unique number. | ||
| - | === Sets === | + | == Beams local axes == |
| + | Each beam has an angle referred to as θ, and an associated system of local axes x, y, z defined as follows: | ||
| + | * O is the origin of the beam | ||
| + | * E is the end of the beam | ||
| + | * OX, OY, OZ are three axes passing through O and parallel respectively to the three global axes X, Y, Z | ||
| + | * x is the axis orientated from O to E | ||
| + | * OV is an axis : | ||
| + | * perpendicular to x | ||
| + | * contained in the plane x, OY | ||
| + | * oriented like OY (VOY angle >= 90º) | ||
| + | * But, if x is parallel to OY, then: | ||
| + | * if x is orientated like OY, then OV is orientated in the opposite direction of OX | ||
| + | * if x is orientated in the opposite direction of OY, then OV is orientated like OX | ||
| + | * y is the axis obtained by rotating OV clockwise with respect to x by an angle equal to θ (when θ = 0º, y is identical to OV) | ||
| + | * z is the axis perpendicular to x and y and forming with them a dextrose trihedron | ||
| + | These rules are designed to fit // | ||
| + | == Sets == | ||
| A set is a group of beams. It is mainly used to easily select beams together. | A set is a group of beams. It is mainly used to easily select beams together. | ||
| ==== Interface ==== | ==== Interface ==== | ||
| Line 167: | Line 183: | ||
| - Select a file path and extension to export the model to (c)Steel3 (// | - Select a file path and extension to export the model to (c)Steel3 (// | ||
| - The file is created, then RBT attempts to open it with Windows' | - The file is created, then RBT attempts to open it with Windows' | ||
| + | === Particularities of RDM6-7 === | ||
| + | // | ||
| + | * RBT's local y axis is declared as RDM6-7 local Z axis | ||
| + | * The nodes constraints (DoF) are simplified, to keep only | ||
| + | * Fixed on all DoF | ||
| + | * Translation fixed / rotation free on all DoF | ||
| + | * Fixed on all DoF except Z rotation | ||
| + | * Fixed on all DoF except Y rotation | ||
| + | <WRAP center round important 60%> | ||
| + | Every other node constraints will be ignored and set to free. | ||
| + | </ | ||
| === Scripted mode === | === Scripted mode === | ||
| No Scripted Mode | No Scripted Mode | ||