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On-line Access: 2019-08-05

Received: 2018-08-09

Revision Accepted: 2018-12-17

Crosschecked: 2019-07-08

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Jian Zhang


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Journal of Zhejiang University SCIENCE A 2019 Vol.20 No.8 P.634-638


Regenerative Bayesian detection of foundation constant with variable scale gradient theory

Author(s):  Jian Zhang, Wei Sun, Chao Jia, Feng Wang

Affiliation(s):  Department of Mechanics and Structural Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China; more

Corresponding email(s):   zjmech@163.com

Key Words:  Regenerative Bayesian detection, Variable scale gradient theory, Bayesian objective function

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Jian Zhang, Wei Sun, Chao Jia, Feng Wang. Regenerative Bayesian detection of foundation constant with variable scale gradient theory[J]. Journal of Zhejiang University Science A, 2019, 20(8): 634-638.

@article{title="Regenerative Bayesian detection of foundation constant with variable scale gradient theory",
author="Jian Zhang, Wei Sun, Chao Jia, Feng Wang",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Regenerative Bayesian detection of foundation constant with variable scale gradient theory
%A Jian Zhang
%A Wei Sun
%A Chao Jia
%A Feng Wang
%J Journal of Zhejiang University SCIENCE A
%V 20
%N 8
%P 634-638
%@ 1673-565X
%D 2019
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1800467

T1 - Regenerative Bayesian detection of foundation constant with variable scale gradient theory
A1 - Jian Zhang
A1 - Wei Sun
A1 - Chao Jia
A1 - Feng Wang
J0 - Journal of Zhejiang University Science A
VL - 20
IS - 8
SP - 634
EP - 638
%@ 1673-565X
Y1 - 2019
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1800467

Before the geotechnical structures are designed, it is often required to determine the mathematical physical model of the corresponding geotechnical medium to properly describe and predict the behavior of the rock and soil during construction and operation in deformation and stability. With the deepening of our understanding of physical phenomena, the geotechnical mechanics, which is evolved from the limit equilibrium theory on basis of rigid body mechanics to the elastic, elastoplastic or viscoelastic theory based on continuum mechanics, is now progressed to various non-continuous media mechanics methods. In this process, various mathematical models have been established for the purpose of describing the system response of the geotechnical medium system even when external environmental conditions are involved. In the process of numerical simulation analysis of actual geotechnical engineering, the value of geotechnical parameter is often an important factor affecting the accuracy, objectivity and practicability of geotechnical engineering simulation analysis results.


结论:地基参数的变尺度梯度搜索分析模型在优化过程中能够稳定地收敛于地基参数的真值(图2). 变尺度梯度优化理论能够适时地修正空间矩阵尺度以产生新的搜索方向,并有效地优化修正Bayes目标函数.

关键词:变尺度法; Bayes目标函数; 地基参数; 优化

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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