(For more information on steps, see “ Defining an analysis, ” Section 6.1.2.) The history input data are combined within a step as needed to define the history of the analysis. An Abaqus analysis is based on the concept of steps, which are described in the history data portion of the input file.
The material library is described in Part V, “ Materials.” Special elements such as springs or dashpots do not have an associated material, but their properties must be defined.
The element types available for modeling are described in Part VI, “ Elements,” along with explanations of how to define the elements. Special features can be defined with special elements such as springs, dashpots, point masses, etc.
abaqus standard user manual, abaqus standard user manual pdf, abaqus standard user manual, abaqus standard user manual pdf, abaqus standard user manual download, abaqus standard user manual free, abaqus standard user manual online, abaqus standard user s manual.Ĭross-sections for structural elements (such as beams) must be defined.The rules and methods for defining nodes and elements are described in “ Node definition, ” Section 2.1.1 “ Element definition, ” Section 2.2.1 and “ Defining an assembly, ” Section 2.10.1. Required model data The following model data must be included in an input file to define a finite element model: Geometry: The geometry of a model is described by elements and their nodes. Model data Model data define the nodes, elements, materials, initial conditions, etc. The functions of the analysis input file processor are to interpret the Abaqus options, to perform the necessary consistency checking, and to prepare the data for the analysis products. The history data section is explained below. Step definitions divide the model data from the history data in an input file: everything appearing before the first step definition is model data, and everything appearing within and following the first step definition is history data. Finally, the input file contains history data to define the analysis type, loading, output requests, etc. Models defined in terms of an assembly of part instances are discussed in “ Defining an assembly, ” Section 2.10.1. If the model is organized into an assembly of part instances, the model data are further categorized and must fall within the proper level: part, assembly, instance, or model. The model data section is explained below. After the heading the input file usually contains a model data section to define nodes, elements, materials, initial conditions, etc. The first heading line will appear as a heading at the top of each page of the output. Any number of data lines can be used to give the title they will appear at the beginning of the output files ( “ Output, ” Section 4.1.1 ). Most input files have the same basic structure. The input syntax for keyword and data lines is described in “ Input syntax rules, ” Section 1.2.1.
The input file consists of a series of lines containing Abaqus options (keyword lines) and data (data lines).
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