相关实验视频
Updated: Jan 8, 2026

09:17
Surrogate Model Development for Digital Experiments in Welding
Published on: March 28, 2025
1.8K
在AL7075 T6上进行磨砂式喷水深孔钻探的新型预测模型,使用机器学习和进化算法方法
J Bharani Chandar1, M Sivakumar2, N Lenin2
1Department of Mechanical Engineering, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, 600 062, Tamil Nadu, India. j.bharanichandar@gmail.com.
Scientific reports
|December 17, 2025
概括
这项研究使用机器学习和进化算法优化了对AL7075 T6航空航天材料的磨削式喷水深孔钻探 (AWJ-DHD). 优化的工艺显著提高了钻井效率和洞穴质量,通过最大限度地减少表面粗.
科学领域:
- 材料科学与工程 材料科学与工程
- 制造过程 制造过程 制造过程
- 计算智能是一种计算智能.
背景情况:
- 磨砂式喷水加工 (AWJ) 是一种关键的非传统方法,用于精密切割先进的航空航天合金,如AL7075 T6.
- 使用AWJ的深孔钻探 (DHD) 在实现高几何精度和表面加工方面存在挑战.
- 优化AWJ-DHD参数对于提高航空航天部件制造效率和质量至关重要.
研究的目的:
- 调查工艺参数对基于AL7075 T6 AWJ的深孔钻井 (AWJ-DHD) 质量的影响.
- 开发和验证用于预测AWJ-DHD性能的机器学习模型.
- 使用进化算法优化AWJ-DHD设置,以提高钻探效率和精度.
主要方法:
- 实验数据收集使用了全因数设计.
- 为了预测,开发了四种机器学习模型 (自适应增强回归,极端梯度增强,决策树,随机森林).
- 三种进化算法 (火焰优化,差异进化,正弦共弦算法) 用于多响应优化.
主要成果:
- 随机森林模型在所有响应中显示了最低的测试错误.
- 正弦弦算法 (SCA) 超越了其他优化算法,确定了最佳参数:350 MPa的水压,1.5 mm的阻隔距离和300 g/min的磨料质量流量.
- 验证试验证实了模型的准确性,显示预测与实际响应的百分比变化很小 (角,率,表面粗度,钻井速度).
结论:
- 机器学习和进化算法的综合框架有效地模拟和优化AL7075 T6.6的AWJ-DHD.
- 优化的工艺显著提高了钻井效率和孔质量,特别是通过最大限度地减少表面粗度.
- 这种方法为实现航空航天应用中高精度深孔钻探提供了强大的方法.
相关概念视频
Design Example: Creating a Hydraulic Model of a Dam Spillway
641
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.
641
Design Example: Deciding Thickness of Lubricating Fluid in a Shaft
316
Effective lubrication between a rotating shaft and its bearing housing is essential in rotating machinery to minimize friction, wear, and energy loss. With carefully controlled thickness and viscosity, the lubricant layer prevents metal-to-metal contact, ensuring smooth operation.
To calculate the required thickness of the lubricant layer, the tangential velocity at the shaft's surface must first be determined. This velocity is calculated by converting the rotational speed to angular velocity...
To calculate the required thickness of the lubricant layer, the tangential velocity at the shaft's surface must first be determined. This velocity is calculated by converting the rotational speed to angular velocity...
316
Response Surface Methodology
580
Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
The process of RSM involves several key steps:
580
Abrasion Resistance of Concrete
476
Abrasion resistance is an essential characteristic of concrete that determines its durability and longevity under various wear conditions. Concrete surfaces are vulnerable to different types of abrasion. For instance, surfaces may wear down due to the constant movement of vehicles or be eroded by solids carried in water, as seen in concrete canal linings. Specific tests are conducted to measure the abrasion resistance of concrete.
One such test is the revolving disc test, where three plates...
One such test is the revolving disc test, where three plates...
476
Mechanical Efficiency of Real Machines
1.2K
The mechanical efficiency of a machine is a fundamental concept that describes how effectively a machine can convert input work into output work. According to this concept, the efficiency of a machine is equal to the ratio of the output work to the input work. An ideal machine, meaning a machine that has no energy losses, has an efficiency of one. This implies that the input work and the output work are equal.
However, in reality, no machine can be truly ideal, and all of them experience some...
However, in reality, no machine can be truly ideal, and all of them experience some...
1.2K
Hydrostatic Pressure Force on a Curved Surface
2.4K
Hydrostatic pressure on curved surfaces is a fundamental concept in fluid mechanics with broad applications in the civil engineering field. When fluid is in contact with a curved surface, as in a reservoir, dam, or storage tank, it exerts pressure that varies in magnitude and direction along the curved surface. To assess the total hydrostatic force exerted by the fluid on a curved structure, engineers typically isolate the fluid volume adjacent to the surface and analyze the forces acting on...
2.4K

