ABAQUS crack propagation data extraction method and system and computer readable storage medium

A technology of data extraction and crack expansion, which is applied in computing, electrical digital data processing, special data processing applications, etc., can solve the problems of unfavorable researchers and engineering simulation personnel, and does not have the function of fracture unit data extraction, etc., to achieve rapid and automatic extraction , simple operation, and the effect of improving extraction efficiency

Active Publication Date: 2019-11-01
CHONGQING UNIV
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Problems solved by technology

[0003] However, the current version of ABAQUS numerical simulation software does not have the data extraction function of the fractured unit. Therefore, it is necessary to do some secondary development of the ABAQUS software in order to obtain the total length of the fractured unit and the time-dependent Changes in the total area of ​​the fractured elements and the

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  • ABAQUS crack propagation data extraction method and system and computer readable storage medium
  • ABAQUS crack propagation data extraction method and system and computer readable storage medium
  • ABAQUS crack propagation data extraction method and system and computer readable storage medium

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[0028] The present invention will be further described in detail below in conjunction with test examples and specific embodiments. However, it should not be understood that the scope of the above subject matter of the present invention is limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.

[0029] The present invention is an ABAQUS crack extension data extraction method, system and computer-readable storage medium. As we all know, ABAQUS is a general-purpose finite element analysis software dedicated to dealing with highly nonlinear problems and used for engineering simulation analysis. But in the process of actual use, it does not have the data extraction function of the rupture unit. In the prior art, development is generally done through PYTHON scripts, but this development method requires a high language foundation and a deep understanding of the calling relationshi...

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Abstract

The invention discloses an ABAQUS crack propagation data extraction method and system, and a computer readable storage medium, and belongs to the field of data extraction. The ABAQUS crack propagationdata extraction method comprises the steps: generating and outputting a first function template through determining to-be-extracted data information; receiving an instruction for modifying the file format of the first function template, and converting the first function template into a second function template; extracting a field variable value and a data matrix of unit and node number information in the second function template, wherein the unit and node number information is specifically node numbers and node and node coordinate information corresponding to units; and processing the fracture unit data, and establishing a data extraction function library so as to complete the extraction of the crack propagation data. The ABAQUS crack propagation data extraction method is simple in operation, can achieve the quick and automatic extraction of the ABAQUS crack propagation data, and can greatly improve the extraction efficiency of the ABAQUS crack propagation related data.

Description

technical field [0001] The invention relates to the field of data extraction, in particular to an ABAQUS crack extension data extraction method, system and computer-readable storage medium. Background technique [0002] In the field of traditional numerical simulation, the crack propagation area of ​​rock, metal and other materials is generally simulated through phase field simulation and damage constitutive model based on the idea of ​​continuum mechanics, which cannot truly reproduce the two-dimensional or three-dimensional shape of the cracking direction and cracking position. feature. In practical work and research, most of the calculation and simulation methods of fracture propagation such as finite discrete element method and block discrete element are used. Taking the COHESIVE unit of the finite discrete element method implemented by ABAQUS as an example, this unit realizes the crack propagation by defining the elastic constitutive model and the fracture failure mode...

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Application Information

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IPC IPC(8): G06F17/50
Inventor 吴明洋张东明李铭辉邓博知鲁俊刘淑敏陈嘉琪宋真龙刘超石发瑞高恒
Owner CHONGQING UNIV
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