lumped mass

简明释义

集中质量

英英释义

例句

1.The lumped mass model allows engineers to predict the dynamic response of a building under seismic loads.

集中质量模型使工程师能够预测建筑在地震荷载下的动态响应。

2.When designing mechanical systems, we can use a lumped mass approach to analyze vibration characteristics.

在设计机械系统时，我们可以采用集中质量方法来分析振动特性。

3.In thermal analysis, a lumped mass assumption simplifies the heat transfer calculations.

在热分析中，集中质量假设简化了热传递计算。

4.In structural analysis, we often simplify the system by treating complex shapes as a lumped mass to facilitate calculations.

在结构分析中，我们常常通过将复杂形状视为一个集中质量来简化系统，以便于计算。

5.The lumped mass concept is critical in the study of oscillatory systems.

集中质量概念在振荡系统的研究中至关重要。

作文

In the field of engineering and physics, the concept of a Lumped Mass is crucial for simplifying complex systems into manageable models. A Lumped Mass refers to an assumption where the mass of an object is concentrated at a single point rather than being distributed over its volume. This simplification allows engineers and scientists to analyze dynamic systems more easily, especially in situations where the distribution of mass does not significantly affect the overall behavior of the system. For instance, when studying the vibration of a beam, one might consider the mass of the beam as a Lumped Mass at its center instead of accounting for every particle that makes up the beam.The significance of the Lumped Mass model lies in its ability to reduce complexity. In many practical applications, such as mechanical systems or thermal analysis, it is often unnecessary to consider every detail of an object's mass distribution. By treating the mass as a Lumped Mass, engineers can develop equations of motion or heat transfer equations that are much simpler and easier to solve. This approach is particularly useful in preliminary design phases, where quick assessments are needed without delving into intricate details.Moreover, the Lumped Mass concept is widely used in structural engineering. When designing buildings or bridges, engineers often use Lumped Mass models to predict how structures will respond to dynamic loads, such as earthquakes or wind forces. By approximating the mass of various components as Lumped Masses, they can perform calculations to ensure that the structure will remain stable and safe under various conditions.However, while the Lumped Mass approximation is beneficial, it is essential to recognize its limitations. In certain scenarios, particularly those involving high-frequency vibrations or complex fluid dynamics, the distribution of mass cannot be ignored. Engineers must be cautious and validate their models against experimental data to ensure accuracy. Understanding when to apply the Lumped Mass concept and when to use more detailed models is a critical skill for engineers.In conclusion, the Lumped Mass concept plays a vital role in simplifying the analysis of physical systems across various engineering disciplines. It allows for efficient calculations and quick assessments, making it an invaluable tool in the design and analysis process. However, engineers must also be aware of the potential pitfalls of oversimplification and ensure that their models adequately represent the real-world behavior of the systems they are studying. By mastering the principles behind Lumped Mass modeling, engineers can enhance their problem-solving capabilities and contribute to the development of safer and more efficient designs.

在工程和物理学领域，Lumped Mass（集中质量）这一概念对于将复杂系统简化为可管理的模型至关重要。Lumped Mass指的是一种假设，即物体的质量集中在一个点上，而不是分布在其体积上。这种简化使得工程师和科学家能够更容易地分析动态系统，特别是在质量分布对系统整体行为没有显著影响的情况下。例如，在研究梁的振动时，可以考虑梁的质量作为其中心的Lumped Mass，而不是考虑构成梁的每一个颗粒。Lumped Mass模型的重要性在于它能够减少复杂性。在许多实际应用中，例如机械系统或热分析，通常不需要考虑物体质量分布的每一个细节。通过将质量视为Lumped Mass，工程师可以开发运动方程或热传导方程，使其更加简单和易于求解。这种方法在初步设计阶段尤其有用，因为此时需要快速评估，而无需深入探讨复杂的细节。此外，Lumped Mass概念在结构工程中被广泛使用。在设计建筑物或桥梁时，工程师常常使用Lumped Mass模型来预测结构在动态载荷（例如地震或风力）下的反应。通过将各种组件的质量近似为Lumped Masses，他们可以进行计算，以确保结构在各种条件下保持稳定和安全。然而，尽管Lumped Mass近似是有益的，但必须认识到其局限性。在某些情况下，特别是涉及高频振动或复杂流体动力学时，质量分布不能被忽视。工程师必须谨慎，并通过实验数据验证他们的模型以确保准确性。理解何时应用Lumped Mass概念以及何时使用更详细的模型是工程师的一项关键技能。总之，Lumped Mass概念在简化各个工程学科的物理系统分析中发挥着至关重要的作用。它允许高效的计算和快速评估，使其成为设计和分析过程中的宝贵工具。然而，工程师还必须意识到过度简化的潜在陷阱，确保他们的模型充分代表所研究系统的真实行为。通过掌握Lumped Mass建模背后的原理，工程师可以增强他们的问题解决能力，为开发更安全、更高效的设计做出贡献。