System and method for optimizing structural noise uncertainty

A technology of uncertainty and structure noise, applied in the field of uncertain multidisciplinary optimization design

Inactive Publication Date: 2013-12-25
BEIHANG UNIV
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Problems solved by technology

[0006] The technical solution of the present invention solves the problem: in order to overcome the disadvantage that the current structural noise uncertainty optimization method is difficult to apply to engineering applications, a structural noise uncertainty optimization system and method are provided, which are practical and reliable, and hav

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  • System and method for optimizing structural noise uncertainty
  • System and method for optimizing structural noise uncertainty
  • System and method for optimizing structural noise uncertainty

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[0079] like figure 1 It can be seen from the system frame diagram shown that the structural noise uncertainty optimization system and method of the present invention consists of a structural acoustic characteristic deterministic analysis module, a structural noise deterministic optimization module, a structural acoustic characteristic uncertainty analysis module, and a structural noise uncertainty analysis module. It consists of an optimization module, a post-processing module and a system framework program for integrating the above modules. The overall implementation process is as follows:

[0080] (1) Deterministic analysis module of structural acoustic characteristics: used to realize the deterministic calculation and analysis of structural acoustic characteristics; analyze each parameter value from the input parameter file, write the parameter value into the numerical calculation model file; call the acoustic calculation software, Solve and calculate the numerical calcula...

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Abstract

Provided is a system and a method for optimizing structural noise uncertainty. The system comprises a system framework program and five sub-modules, namely, structural acoustic characteristic deterministic analysis module, structural acoustic characteristic uncertainty analysis module, structural noise certainty optimization module, structural noise uncertainty optimization module and post processing module. By the aid of the method, structural noise uncertainty optimization design is achieved on the basis of deterministic analysis and uncertainty analysis of structural acoustic characteristics. The method integrates an optimization model of solving an uncertainty problem and various algorithms in the system, and provides a convenient tool for non-professionals to conduct structural noise uncertainty analysis and optimization.

Description

technical field [0001] The invention relates to a structural noise optimization system and method for uncertain problems, and belongs to the technical field of uncertain multidisciplinary optimization design. Background technique [0002] Uncertainty multidisciplinary optimization design technology is complex and computationally complex due to the inherent loop characteristics of data transmission. Uncertainty is coupled and propagated in multiple discipline subsystems, making multidisciplinary optimization design based on uncertainty The practical application of it has become a challenging topic. [0003] At this stage, the optimal design of structures with uncertain noise is mostly realized by integrating the required software and algorithms in a general multidisciplinary optimal design environment. [0004] The multidisciplinary optimization design environment refers to the design computing environment that integrates the analysis models or optimization models of various...

Claims

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Application Information

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IPC IPC(8): G06F9/44
Inventor 陈稗王晓军邱志平罗明强王冲李云龙
Owner BEIHANG UNIV
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