dynamic stiffness

简明释义

动态刚性

英英释义

例句

1.To optimize the vibration isolation system, we need to analyze the dynamic stiffness of the isolators.

为了优化隔振系统，我们需要分析隔振器的动态刚度。

2.The engineer measured the dynamic stiffness of the building's foundation to ensure it could withstand seismic activities.

工程师测量了建筑基础的动态刚度以确保其能够抵御地震活动。

3.A higher dynamic stiffness typically indicates better structural integrity during dynamic loading.

较高的动态刚度通常表明在动态荷载下更好的结构完整性。

4.In vehicle suspension design, dynamic stiffness is crucial for ride comfort and handling.

在车辆悬挂设计中，动态刚度对乘坐舒适性和操控性至关重要。

5.The dynamic stiffness of the material was tested under various frequencies to evaluate its performance in different conditions.

材料的动态刚度在不同频率下进行了测试，以评估其在不同条件下的性能。

作文

In the field of engineering and physics, understanding various mechanical properties is essential for designing structures and systems that can withstand dynamic forces. One such property is dynamic stiffness, which refers to the stiffness of a system when it is subjected to dynamic loads or vibrations. Unlike static stiffness, which measures how a structure resists deformation under a constant load, dynamic stiffness takes into account the effects of time-varying forces. This concept is particularly important in applications such as earthquake engineering, automotive design, and aerospace engineering, where structures must endure fluctuating forces without failure.To grasp the significance of dynamic stiffness, consider a bridge that experiences traffic loads. When vehicles pass over the bridge, they generate vibrations that can affect its stability. Engineers must calculate the dynamic stiffness of the bridge to ensure that it can absorb these vibrations effectively. If the dynamic stiffness is too low, the bridge may sway excessively, leading to discomfort for drivers and potential structural damage.Another critical aspect of dynamic stiffness is its relationship with damping. Damping refers to the ability of a material or system to dissipate energy from vibrations. High damping materials can reduce the amplitude of vibrations, thereby increasing the overall dynamic stiffness of a structure. For instance, in the design of buildings in earthquake-prone areas, engineers often incorporate dampers to enhance dynamic stiffness and minimize the risk of collapse during seismic events.The calculation of dynamic stiffness involves complex mathematical models and simulations. Engineers often use finite element analysis (FEA) to predict how structures will respond to dynamic loading. By inputting various parameters such as material properties, geometric configurations, and loading conditions, they can determine the dynamic stiffness of a system and make necessary adjustments to the design.Moreover, dynamic stiffness plays a crucial role in the performance of mechanical systems. For example, in automotive engineering, the dynamic stiffness of suspension systems affects ride comfort and handling. A well-designed suspension must balance dynamic stiffness and damping to provide a smooth driving experience while maintaining control during cornering and braking.In summary, dynamic stiffness is a vital concept in engineering that influences the design and performance of various structures and mechanical systems. It encompasses the response of materials and systems to dynamic loads, highlighting the importance of considering time-varying forces in engineering practices. By understanding and applying the principles of dynamic stiffness, engineers can create safer, more efficient, and resilient structures that can withstand the challenges posed by dynamic environments. As technology advances, the methods for analyzing and enhancing dynamic stiffness will continue to evolve, paving the way for innovative solutions in engineering and design.

在工程和物理学领域，理解各种机械性能对于设计能够承受动态力的结构和系统至关重要。其中一个重要的属性是动态刚度，它指的是在动态载荷或振动作用下，系统的刚度。与静态刚度不同，静态刚度测量的是结构在恒定载荷下抵抗变形的能力，而动态刚度则考虑了时间变化的力的影响。这个概念在地震工程、汽车设计和航空航天工程等应用中尤为重要，因为这些结构必须承受波动的力量而不发生失效。为了理解动态刚度的重要性，可以考虑一座经历交通载荷的桥梁。当车辆经过桥梁时，它们会产生振动，这可能会影响其稳定性。工程师必须计算桥梁的动态刚度，以确保它能够有效地吸收这些振动。如果动态刚度过低，桥梁可能会过度摇晃，导致驾驶者的不适和潜在的结构损坏。动态刚度的另一个关键方面是它与阻尼的关系。阻尼指的是材料或系统耗散振动能量的能力。高阻尼材料可以减少振动的幅度，从而提高结构的整体动态刚度。例如，在地震多发地区建筑设计中，工程师通常会加入阻尼器，以增强动态刚度并最小化在地震事件中倒塌的风险。动态刚度的计算涉及复杂的数学模型和仿真。工程师通常使用有限元分析（FEA）来预测结构对动态载荷的响应。通过输入各种参数，如材料特性、几何配置和载荷条件，他们可以确定系统的动态刚度并对设计进行必要的调整。此外，动态刚度在机械系统的性能中也起着至关重要的作用。例如，在汽车工程中，悬挂系统的动态刚度影响乘坐舒适性和操控性。一个设计良好的悬挂系统必须平衡动态刚度和阻尼，以提供平稳的驾驶体验，同时在转弯和刹车过程中保持控制。总之，动态刚度是工程中一个至关重要的概念，影响着各种结构和机械系统的设计和性能。它涵盖了材料和系统对动态载荷的响应，突显了在工程实践中考虑时间变化的力量的重要性。通过理解和应用动态刚度的原理，工程师可以创造出更安全、更高效和更具韧性的结构，以应对动态环境带来的挑战。随着技术的进步，分析和增强动态刚度的方法将继续发展，为工程和设计中的创新解决方案铺平道路。