ABAQUS显隠转换分析(2)

2019-08-31 15:15

always written at the end of a step, so it is not necessary to request results at the exact time intervals if results will be read only from the end of a step.

Input Usage:

File Use the following option to request results at the increments ending

immediately after each time interval:

*RESTART, WRITE, NUMBER INTERVAL=n, TIME MARKS=NO

Use the following option to request results at the exact time intervals:

*RESTART, WRITE, NUMBER INTERVAL=n, TIME MARKS=YES

Abaqus/CAE Step module: OutputUsage:

Restart Requests: enter n in the Number

Interval column; click to check the Time Marks column for each step if you want the results written at the exact time intervals

指定模型数据的传递和结果

下面讲解如何指定具体的输入请求,从一个模型数据和结果输入到另一个模型数据和结果,用户可以输入从没有被定义成装配件的实例的element set,或者可以输入part实例从已经定义成装配件实例的part实例。在CAE里面仅仅能从装配件的构件实例中输入模型。 指定从element set 中输入数据和结果。

输入的例子参见“Springback of two-dimensional draw bending,” Section 1.5.1 of the Abaqus Example Problems Manual, and “Axisymmetric forming of a circular cup,” Section 1.3.7 of the Abaqus Example Problems Manual。

Input Use the following option to import element sets from a previous analysis: File

Usage: *IMPORT

list of element sets that are to be imported

为了阻止模棱两可的单元和节点,*import必须在定义额外模型数据前指定,另外*import只能指定一次

每个element set的名字在*import输入行必须在原始文件的截面定义中使用过,(e.g.*solid section),element set 仅能包含不超过三种类型的单元。 在CAE里面只能从PART INSTANCES里面输入结果和数据

如果输入的超过一个part instance,part instance必须从一个结果文件里输入且输入的参数必须和输入文件part instances里面的一致,每个instance的名字应该保持一致,只有import instance里面的sets才能被输入,sets在assemblies定义的必须在import分析中重新定义,重新定义的sets不能修改输入的新截面,材料的方向,法线,和梁方向 Input Usage:

File Use the following options to import a part instance from a previous

analysis:

*INSTANCE, INSTANCE=instance-name

Additional set and surface definitions (optional)

*IMPORT *END INSTANCE

Abaqus/CAE In Abaqus/CAE you can import model data and results only from Usage:

models that are defined as assemblies of part instances.

Load module: Create Predefined Field: Step: Initial: choose

Otherfor the Category and Initial State for the Types for Selected Step: select the instances to which the initial state should be assigned

Specifying the transfer of model data and results

The import capability is used to transfer model data and results from one analysis to another. The following sections describe how to specify the import request. You can import element sets from models that are not defined as assemblies of part instances, or you can import part instances from models that are defined as assemblies of part instances. In Abaqus/CAE you can import model data and results only from models that are defined as assemblies of part instances.

Specifying the transfer of model data and results for models that are not defined as assemblies of part instances

You can import element sets from a previous analysis to specify the transfer of model data and results for models that are not defined as assemblies of part instances. This import capability is illustrated in “Springback of two-dimensional draw bending,” Section 1.5.1 of the Abaqus Example Problems Manual, and “Axisymmetric forming of a circular cup,” Section 1.3.7 of the Abaqus Example Problems Manual.

Input Use the following option to import element sets from a previous analysis: File Usage:

*IMPORT

list of element sets that are to be imported

To prevent any ambiguity regarding element and node definitions, the *IMPORT option must be specified before any options that define additional model data in the input file. In addition, the *IMPORT option can be

specified only once.

Each element set name specified on the data line of the *IMPORT option must have been used in a section definition option (e.g., *SOLID SECTION) in the original analysis. An element set can contain no more than three different types of elements.

Abaqus/CAE Usage:

In Abaqus/CAE you can import model data and results only from models that are defined as assemblies of part instances.

Specifying the transfer of model data and results for models that are defined as assemblies of part instances

You can import part instances from a previous analysis to specify the transfer of model data and results for models that are defined as assemblies of part instances. If you import more than one part instance, the part instances must be from the same output database (.odb) file and all import parameters must be the same for each imported part instance. Each instance name that you specify must be the same as the instance name in the original analysis. Only sets that are defined within the imported instance will be imported. Sets defined at the assembly level must be redefined in the import analysis.New set definitions and surface definitions can be added upon import. You cannot assign new sections, material orientations, normals, or beam orientations to the imported part instance.

Input Usage:

File Use the following options to import a part instance from a previous

analysis:

*INSTANCE, INSTANCE=instance-name

Additional set and surface definitions (optional)

*IMPORT *END INSTANCE

Abaqus/CAE In Abaqus/CAE you can import model data and results only from Usage:

models that are defined as assemblies of part instances.

Load module: Create Predefined Field: Step: Initial: choose Other

for the Category and Initial State for the Types for Selected Step:


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