通过数字模拟对高性能装甲钢进行弹道分析
Deda Li1, Feng Huang2, Binzhi Ren3
1School of Mechanical and Vehicle Engineering, West Anhui University, Luan, 237012, China.
Scientific reports
|May 20, 2024
概括
这项研究将装甲钢与装甲钢联系起来.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 弹道学 弹道学 弹道学
背景情况:
- 装甲钢的机械性能对其弹道性能至关重要.
- 了解这种关系是开发有效装甲解决方案的关键.
- 约翰逊-库克构成关系是物质在冲击下的行为的一个常见模型.
研究的目的:
- 为了建立一个明确的连接,在机械性能和弹道性能的装甲钢.
- 开发和验证装甲钢弹道性能的预测模型.
- 调查约翰逊-库克参数对弹道结果的影响.
主要方法:
- 开发和验证一个弹道模拟模型.
- 使用约翰逊-库克构成关系描述目标板的机械性能.
- 对约翰逊-库克参数对弹道性能影响的分析.
主要成果:
- 在约翰逊-库克参数和弹道性能之间发现了强烈的线性关系.
- 我们得出了一个数学模型 (H = 14.82 - 0.0048A - 0.0023B + 5.95n - 81.3C).
- 衍生模型在预测弹道性能方面表现出超过90%的准确性.
结论:
- 开发的数学模型准确地预测了装甲钢的弹道性能.
- 这个模型可以解释生产过程中机械性能的变化.
- 预测能力减少了装甲钢开发的研究时间和成本.
相关概念视频
Mechanical Characteristics of Steel
568
The mechanical characteristics of steel are assessed through various tests that evaluate its strength, toughness, and flexibility. These tests include tension, torsion, impact, bending, and hardness assessments, each providing crucial information about steel's suitability for specific applications.
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...
The tension test is fundamental for determining tensile strength. In this test, a steel specimen is stretched using a gripping device until it breaks. The data collected during this test are used...
568
Thin-Walled Hollow Shafts
184
In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution...
184
Temperature Dependent Deformation
147
In a nonhomogeneous rod made up of steel and brass, restrained at both ends and subjected to a temperature change, several steps are involved in calculating the stress and compressive load. Due to the problem's static indeterminacy, one end support is disconnected, allowing the rod to experience the temperature change freely. Next, an unknown force is applied at the free end, triggering deformations in the rod's steel and brass portions. These deformations are then calculated and added...
147
Impact Loading
196
Impact loading occurs when a moving object collides with a stationary structure, such as a rod with a uniform cross-sectional area fixed at one end. Under these conditions, the rod absorbs the kinetic energy from the striking object, leading to deformation and subsequent stress development. As the rod returns to its original position and reaches maximum stress, the absorbed energy, initially manifested as kinetic energy, transforms entirely into strain energy.
In cases of elastic deformation,...
In cases of elastic deformation,...
196


