neutral plane
简明释义
中性平面
英英释义
The neutral plane is a theoretical line or surface in a structural element where there is no tensile or compressive stress during bending. | 中性面是一个理论上的线或面,在结构元件弯曲时,那里没有拉伸或压缩应力。 |
例句
1.In structural engineering, the neutral plane 中性面 is the layer where the material experiences no tensile or compressive stress.
在结构工程中,中性面 neutral plane 是材料经历不到拉伸或压缩应力的层。
2.When analyzing bending in beams, identifying the neutral plane 中性面 is crucial for determining where the material will fail.
在分析梁的弯曲时,识别中性面 neutral plane 对于确定材料将在哪里失效至关重要。
3.In a bending test, the neutral plane 中性面 shifts depending on the material properties and geometry.
在弯曲测试中,中性面 neutral plane 根据材料特性和几何形状而变化。
4.Engineers must consider the location of the neutral plane 中性面 when designing reinforced concrete structures.
工程师在设计钢筋混凝土结构时必须考虑中性面 neutral plane 的位置。
5.The neutral plane 中性面 in a cantilever beam is located at the midpoint when the load is evenly distributed.
在悬臂梁中,当载荷均匀分布时,中性面 neutral plane 位于中点。
作文
In the realm of engineering and physics, the concept of the neutral plane plays a crucial role in understanding how materials behave under stress. The neutral plane is defined as the line or surface within a structural element where the material experiences no tension or compression when the element is subjected to bending. This means that at the neutral plane, the fibers of the material are neither stretched nor compressed, making it an essential aspect of structural analysis. Understanding the neutral plane is fundamental for engineers when designing beams, bridges, and other structures. When a beam bends, the top part typically experiences compression, while the bottom part undergoes tension. The neutral plane is located somewhere in between these two extremes. For example, in a simply supported beam, the neutral plane is usually found at the centroid of the beam's cross-section, provided the material is homogeneous and isotropic. When calculating the stresses in a beam, engineers must consider the location of the neutral plane. If they miscalculate its position, it can lead to structural failures or inefficiencies. For instance, if a bridge is designed without accurately accounting for the neutral plane, it may not support the intended loads, resulting in potential safety hazards. Therefore, a thorough understanding of the neutral plane is essential for ensuring the integrity and safety of structures. Moreover, the neutral plane concept extends beyond traditional engineering applications. In fields such as biomechanics, it helps researchers understand how biological tissues respond to forces. For example, when analyzing the bending of bones, the neutral plane indicates the region where the bone experiences neither tension nor compression. This understanding can inform medical practices, such as the design of orthopedic implants or the rehabilitation of fractures. In conclusion, the neutral plane is a fundamental concept that transcends various disciplines, including engineering and biomechanics. Its significance lies in its ability to provide insight into how materials respond to bending forces. By accurately identifying the neutral plane, engineers and scientists can ensure the safety and effectiveness of their designs and interventions. As we continue to explore the complexities of material behavior, the neutral plane will undoubtedly remain a pivotal point of reference in our understanding of structural integrity and performance.
在工程和物理学领域,中性平面的概念在理解材料在应力下的行为方面起着至关重要的作用。中性平面被定义为结构元件内的线或表面,当该元件受到弯曲时,材料在此处经历零拉伸或压缩。这意味着,在中性平面上,材料的纤维既不被拉伸也不被压缩,这使其成为结构分析的重要方面。理解中性平面对工程师在设计梁、桥和其他结构时至关重要。当梁弯曲时,顶部通常经历压缩,而底部则承受拉伸。中性平面位于这两个极端之间的某个地方。例如,在一个简单支撑的梁中,中性平面通常位于梁横截面的重心处,前提是材料是均匀和各向同性的。在计算梁的应力时,工程师必须考虑中性平面的位置。如果他们错误地计算了其位置,可能导致结构失效或效率低下。例如,如果一座桥的设计没有准确考虑中性平面,它可能无法承受预期的载荷,从而导致潜在的安全隐患。因此,全面理解中性平面对于确保结构的完整性和安全性至关重要。此外,中性平面的概念超越了传统的工程应用。在生物力学等领域,它帮助研究人员理解生物组织如何应对力量。例如,在分析骨骼的弯曲时,中性平面指示骨骼经历拉伸或压缩的区域。这一理解可以为医疗实践提供信息,例如,设计骨科植入物或骨折的康复。总之,中性平面是一个基本概念,跨越了包括工程和生物力学在内的多个学科。其重要性在于它能够提供对材料如何响应弯曲力的深入了解。通过准确识别中性平面,工程师和科学家可以确保他们的设计和干预措施的安全性和有效性。随着我们继续探索材料行为的复杂性,中性平面无疑将继续成为我们理解结构完整性和性能的关键参考点。
相关单词