Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

270
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
270
Design Example: Alignment of a Road Line Using GIS01:17

Design Example: Alignment of a Road Line Using GIS

317
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
317
One-Compartment Open Model: Wagner-Nelson and Loo Riegelman Method for ka Estimation01:24

One-Compartment Open Model: Wagner-Nelson and Loo Riegelman Method for ka Estimation

1.1K
This lesson introduces two critical methods in pharmacokinetics, the Wagner-Nelson and Loo-Riegelman methods, used for estimating the absorption rate constant (ka) for drugs administered via non-intravenous routes. The Wagner-Nelson method relates ka to the plasma concentration derived from the slope of a semilog percent unabsorbed time plot. However, it is limited to drugs with one-compartment kinetics and can be impacted by factors like gastrointestinal motility or enzymatic degradation.
On...
1.1K
Design Example: Managing Concrete Workability01:14

Design Example: Managing Concrete Workability

281
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
281
Design Example: Creating a Hydraulic Model of a Dam Spillway01:21

Design Example: Creating a Hydraulic Model of a Dam Spillway

647
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
647
Design Example: Design of an Irrigation Channel01:27

Design Example: Design of an Irrigation Channel

745
Trapezoidal channels are widely used in irrigation systems due to their cost-effectiveness and efficiency in conveying water. Trapezoidal channels feature a flat bottom and sloping sides, making them stable and easier to construct compared to other shapes. The bottom width and side slope ratio are determined based on the required flow capacity and site conditions. The side slope is kept gentle for unlined channels to prevent soil erosion.Hydraulic parameters in channel design include the flow...
745

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Efficacy and safety of reduced-dose daratumumab plus bortezomib and dexamethasone (DVd-lite) in newly diagnosed MGRS patients.

Frontiers in immunology·2026
Same author

The effect of pH stability and aqueous solubility on the oral bioavailability of a novel antileishmanial agent.

European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences·2026
Same author

Decoding the urban-suburban ozone disparities in Shandong, China: A machine learning-driven attribution analysis (2019-2023).

Journal of environmental sciences (China)·2026
Same author

Trichostatin Analogues From the Karst Cave Associated Streptomyces sp. DX6D14.

Chemistry & biodiversity·2026
Same author

Integrated Bulk and Single-Cell RNA-Seq Analysis Reveals Transcriptional Activation of PTGS2 by FOS in Progression From T2DM to T2DM-Associated NAFLD.

Journal of cellular and molecular medicine·2026
Same author

Multiparameter concept-based interpretable model for early breast cancer diagnosis and structured reporting: a multi-center, multi-reader, radiologist-in-the-loop study.

BMC medicine·2026

相关实验视频

Updated: Jan 10, 2026

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
11:53

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 9, 2012

13.4K

一个可适应的多尺度战斗框架,具有基于委员会的填充,用于工程设计优化.

Huan Xie1, Qichen Zhong1, Wei Zeng2

  • 1School of Mechanical Engineering, Xijing University, Xijing, China.

Scientific reports
|November 26, 2025
PubMed
概括
此摘要是机器生成的。

本研究介绍了自适应多尺度采样-查询-委员会-Kriging (AMSS-QBC-KG) 框架,以提高Kriging模型的效率. 新方法动态调整样本大小,以获得更高的准确性和更低的计算成本.

关键词:
填充标准 填充标准在Kriging中使用Kriging.多点充填方式 多点充填方式平行灌装标准的标准.在QBC中,QBC就是QBC.每个委员会的查询.替代模型的替代模型

更多相关视频

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging
09:19

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging

Published on: April 18, 2025

1.4K
Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

8.4K

相关实验视频

Last Updated: Jan 10, 2026

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
11:53

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm

Published on: December 9, 2012

13.4K
Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging
09:19

Measuring the Structure, Composition, and Change of Underwater Environments with Large-area Imaging

Published on: April 18, 2025

1.4K
Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

8.4K

科学领域:

  • 计算科学 计算科学
  • 工程学数学 工程学数学
  • 统计建模 统计建模

背景情况:

  • 基基 (KG) 模型面临着单点或固定多点填充标准的效率挑战.
  • 现有的方法通常需要过多的样本,或者每次代添加样本效率低下.

研究的目的:

  • 提出一个新的AMSS-QBC-KG框架,以提高Kriging建模效率.
  • 开发一种方法,根据模型准确性改进,以适应性控制样本大小.
  • 降低计算成本,同时保持或提高预测准确度.

主要方法:

  • 实施了自适应式多尺度采样-查询-委员会-Kriging (AMSS-QBC-KG) 框架.
  • 使用标准测试函数验证了框架,并将其与预期改善 (EI),q-EI,委员会查询 (QBC),自适应多尺度采样 (AMSS) 和拉丁超立方体采样 (LHS) 进行了比较.
  • 将框架应用于对海底管道疲劳寿命分析的工程案例研究.

主要成果:

  • AMSS-QBC-KG框架实现了与低维问题的现有方法可比的预测准确性.
  • 在各种问题类型中展示了卓越的预测准确性和降低的计算成本.
  • 在疲劳寿命分析案例研究中成功验证了有效性.

结论:

  • AMSS-QBC-KG框架为Kriging建模提供了一个高效和准确的替代方案.
  • 适应性样本大小调整提高了效率,特别是在后期的建模阶段.
  • 该框架在工程和科学计算方面具有广泛的适用性.