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A Structural Function Analysis Method Based on Superelement Construction Method

A construction method and functional analysis technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as cumbersome description of structure and function

Inactive Publication Date: 2018-02-16
SHENZHEN BLUENET
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for structural parts, it still contains relatively many parameters. In this case, it is still relatively cumbersome to describe the structural functions.

Method used

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  • A Structural Function Analysis Method Based on Superelement Construction Method
  • A Structural Function Analysis Method Based on Superelement Construction Method
  • A Structural Function Analysis Method Based on Superelement Construction Method

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Embodiment Construction

[0032] A structure-function analysis method of the present invention is specifically:

[0033] 1) According to the superelement construction method, the structural element is generated into a simplified superelement model, and an optimized approximation to the displacement of the original finite element model is obtained where q is the generalized displacement vector of the superelement, T is the optimized displacement mode matrix, and the stiffness, mass and damping matrix corresponding to q can be obtained through transformation;

[0034] 2) According to the displacement characteristics of the boundary of the structural member, the displacement of the boundary nodes is further simplified, namely:

[0035] Wherein, the q is the superelement generalized displacement vector, B is the generalized displacement vector and component deformation characteristic matrix respectively determined according to the deformation characteristics of the component; using B, the stiffness, m...

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Abstract

The present invention relates to a structure-function analysis method and device therefor, based on a super-unit construction method. The present method and device, based on a super-unit construction method, use a deformation characteristic matrix to further simplify a system. Computational processing of structural units greatly simplifies the parameters of the structural characteristics, and better maintains computational accuracy.

Description

technical field [0001] The invention relates to the field of structural dynamics, in particular to a structure-function analysis method based on a superunit construction method. Background technique [0002] Any structure involved in the field of structural mechanics has its specific mechanical functions. For a long time, people have usually described simple structures by their unique mechanical functions, such as: springs are described by their overall spring coefficients in the direction of use; rods and beams are described by corresponding mechanical characteristic parameters, etc. These descriptions make the problem simple and clear, express the function of the structure with more direct parameters, and bring great convenience and efficiency to the application. But it will be very difficult to describe the functions of more complex structures concisely and effectively. The key is how to use as few parameters as possible to describe the function of the structure under t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
CPCG06F30/23G06F2111/10
Inventor 丁桦
Owner SHENZHEN BLUENET
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