Autodesk Robot Structural Analysis Professional –

Autodesk Robot Structural Analysis Professional –

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Manuel d’utilisation | Robot Structural Analysis Professional | Autodesk Knowledge Network

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Open the Cladding dialog using either of the following methods:. The option defines a Cladding, that is, a surface that lets you distribute planar, linear and concentrated loads on bars, panels and supports.

This object can considerably facilitate generating loads; it allows you defining real structure objects that do not participate in the load capacity of a structure, such as panel walls and roofing. You can apply planar loads uniform or not uniform, defined on any contour or object , linear defined by 2 points or on edges and concentrated force at the point to claddings.

You can also use claddings when 3D snow and wind loads are generated. A finite element mesh is not generated on a cladding; it is an auxiliary object for defining loads. The dialog has the following parts:. At the top of the dialog:. The list field displays 3 available types of load distribution based on the load direction:. A surface object is generated in the form of a face with defined cladding. A surface is defined in the same manner as a panel by indicating an internal point or the list of linear objects.

Loads from claddings are distributed on all objects in the contour and plane of a cladding:. You can select objects that lie in the plane of a cladding or of a panel for which the trapezoidal and triangular distribution is selected in a calculation model and do not carry loads. In a real structure, these can be elements of roof bracing that do not carry the load transferred from the roofing. You can select objects using either of the following ways:. You can define a surface by assigning cladding to a face-type object for the following structure types: bar structures and shell structures.

It is assumed that for volumetric structures the face object behaves like a face of a volumetric structure; you cannot define loaded surfaces on such an object. All types of loads planar, linear, and nodal can be applied to a cladding, except for 2 types of planar loads: hydrostatic pressure and thermal loads.

Note: The trapezoidal and triangular method is used to distribute loads for all cladding types. Because distribution methods are limited to this method, you cannot define new types of load distribution. Use the Do not take truss bar into account option by selecting objects on which loads from a cladding are distributed.

Parent topic: Geometrical Imperfections.


Manuel dutilisation autodesk robot structural analysis professional 2016 free. BIM structural analysis software for engineers


Results obtained for planar finite elements are presented in local coordinate systems which is user defined and modified at any moment of result presentation. Results obtained for structures which contain planar FE may be presented in the form of isolines or color maps on selected elements.

The Values option is also available which selects With description by default. Plate or shell structure value descriptions in element centers will then present without drawing maps or isolines. Only one value may be presented in a dialog. To display other value maps, do one of the following. Smoothing averaging of values. Results for planar FEs are determined at Gauss’s points located inside each element. Results estimated at the common node of adjoining elements may differ slightly in each element, and isolines may not be continuous.

To obtain a smooth map of a selected quantity, select the with smoothing option. This results in averaging of the values at a node based on all the values obtained in the elements adjoining the node. The X and Y axes are local and defined using the Direction option on the Detailed tab. This defines the direction of the main local coordinate system which will be used x axis.

The results values for all elements are calculated to this rotated coordinate system. When selecting the results for planar FE, the direction may be defined by entering any vector defining the main direction. The selected vector is then projected onto an element which in the end defines the positioning of the local x-axis. The main vector can not be perpendicular to the element parallel to the local element z axis. If this direction is selected, all results will equal zero.

Typically all elements are located on a cylindrical surface. Initially local x axes are parallel to the global X axis. These axes are redefined when using the main reference direction which is parallel to the global Y axis. Note: Descriptions of the Detailed, Principal, Complex and Parameters tabs are presented for dialogs opened using the Columns command.

Descriptions pertain to the presentation of result values in tables. The method of using the options in the Maps dialog is shown below. Parent topic: Maps.


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