Characterization of spatial variability with observed responses: application of displacement back estimation

Y Sun, L Zhang, H Yang, J Zhang, Z Cao, Q Cui… - Journal of Zhejiang …, 2020 - Springer
Soil spatial variability is difficult to evaluate due to insufficient test data. An alternative option
is estimation by indirect methods such as inverse analysis. In this paper, two examples are …

Application of the Powell algorithm for estimating optical properties of a semitransparent medium based on time-domain information

Z Chang, S Sun, L Wei, G Wang - Applied Optics, 2023 - opg.optica.org
Accurate estimation of the optical properties of a semitransparent medium is crucial in
various engineering applications. This study introduces the Powell algorithm to estimate the …

基于观测响应的土体空间变异性表征: 位移反分析应用

Y Sun, L Zhang, H Yang, J Zhang, Z Cao… - Journal of Zhejiang …, 2020 - jzus.zju.edu.cn
目的: 由于现场勘察和室内土工试验数据的不足, 因此土体空间变异性难以估计.
通过间接方法如反演分析方法进行估算是一个有效的途径, 而土体参数空间变异性概率反演估计 …

基于变尺度梯度理论地基参数的修正Bayes 探索

J Zhang, W Sun, C Jia, F Wang - Journal of Zhejiang University-SCIENCE …, 2019 - Springer
抽象目的建立弹性地基参数的修正Bayes 分析模型, 并获得地基参数的变尺度优化结果.
创新点推求地基参数的变尺度梯度优化方法, 建立地基参数的修正Bayes 探索分析模型 …

Updated Bayesian detection of foundation parameter with Jeeves pattern search theory

J Zhang, C Jia, C Zhou - Journal of Zhejiang University …, 2018 - ui.adsabs.harvard.edu
Updated Bayesian detection of foundation parameters in the specific foundation mechanical
model was studied based on Jeeves pattern search theory. Firstly, the updated Bayesian …

基于Jeeves 模式搜索理论地基参数的更新Bayes 探测法

J Zhang, C Jia, C Zhou - Journal of Zhejiang University-SCIENCE A, 2018 - Springer
摘要目的通过Jeeves 模式搜索理论建立弹性地基参数的更新Bayes 探测分析模型,
以及获得地基参数的寻优搜索结果. 创新点1. 根据Bayes 统计理论, 推导更新Bayes 误差函数. 2 …

Nonlinear Mechanical Responses of Concrete Beams Reinforced with High-Performance CFRP Tendons

J Zhang, YL Jiang, H Liu, XM Zhao, X Chen, GD Li… - Strength of …, 2021 - Springer
The nonlinear mechanical responses of concrete beams with carbon fiber-reinforced
composite (CFRP) tendons were studied with the finite element model constructed within the …

Nonlinear performance of concrete beam reinforced with prestressed hybrid CFRP/GFRP composite sheet

Z Jian, J Chao, T Jiawei - Advanced Composites Letters, 2018 - journals.sagepub.com
The consolidation technology of prestressed hybrid fibre CFRP/GFRP sheet takes full
advantages of the initiative of the prestressed reinforcement and force transferring of the …

Mechanical responses of high-performance concrete beam reinforced with CFRP/GFRP tendons based on nonlinear shell beam mixed element

Z Jian, J Yanlong, L Hua… - Advanced …, 2020 - journals.sagepub.com
For high-performance concrete (HPC) beams reinforced with hybrid Carbon Fiber
Reinforced Polymer/Glass Fiber Reinforced Polymer (CFRP/GFRP) tendons, the nonlinear …

Regenerative Bayesian detection of foundation constant with variable scale gradient theory

J Zhang, W Sun, C Jia, F Wang, AJ Zhang… - JOURNAL OF …, 2019 - jzus.zju.edu.cn
Before the geotechnical structures are designed, it is often required to determine the
mathematical physical model of the corresponding geotechnical medium to properly …