dynamic load

简明释义

动负载

英英释义

例句

1.In structural engineering, a bridge must be designed to withstand a variety of forces, including the dynamic load 动态载荷 from moving vehicles.

在结构工程中，桥梁必须设计成能够承受多种力量，包括来自移动车辆的动态载荷 动态载荷。

2.The dynamic load 动态载荷 on a crane can change significantly based on the weight and movement of the materials being lifted.

起重机上的动态载荷 动态载荷可能会根据被提升材料的重量和运动而显著变化。

3.When analyzing the performance of a building, engineers consider the dynamic load 动态载荷 caused by wind and earthquakes.

在分析建筑物的性能时，工程师考虑由风和地震引起的动态载荷 动态载荷。

4.The dynamic load 动态载荷 on a suspension bridge varies with the number of pedestrians and cyclists crossing it.

悬索桥上的动态载荷 动态载荷随着过桥行人和骑自行车的人数而变化。

5.In automotive design, engineers must account for the dynamic load 动态载荷 that occurs during acceleration, braking, and turning.

在汽车设计中，工程师必须考虑加速、刹车和转弯时发生的动态载荷 动态载荷。

作文

In engineering and physics, the concept of dynamic load refers to the forces that are applied to a structure or object over time, which can vary in magnitude and direction. Unlike static loads, which remain constant, dynamic load involves movement and changes, making it crucial for engineers to consider when designing structures such as bridges, buildings, and vehicles. The importance of understanding dynamic load cannot be overstated, as it plays a significant role in ensuring safety and stability under varying conditions.For instance, when a vehicle travels over a bridge, the weight of the vehicle exerts a dynamic load on the bridge's structure. As the vehicle accelerates, decelerates, or encounters bumps, the forces acting on the bridge change. Engineers must calculate these varying forces to ensure that the bridge can withstand not only the weight of the vehicles but also the additional stresses caused by their movement. Failure to account for dynamic load could lead to catastrophic structural failures.Moreover, dynamic load is not limited to vehicular traffic. Wind forces, seismic activity, and even human activities can introduce dynamic loads to structures. For example, during an earthquake, the ground motion creates rapid changes in force that structures must be designed to endure. This is why buildings in earthquake-prone areas often incorporate flexible designs and materials that can absorb and dissipate energy from dynamic loads.In the field of mechanical engineering, dynamic load is equally important. Machines and tools experience varying loads during operation, which can lead to wear and tear over time. For instance, a rotating shaft in a motor experiences dynamic loads due to unbalanced forces, vibrations, and changes in speed. Engineers must analyze these loads to prevent premature failure and ensure the longevity of machinery.The study of dynamic load is also critical in the design of sports equipment. For example, when a gymnast performs on a balance beam, the forces exerted on the beam change rapidly with each movement. Equipment designers must understand these dynamic loads to create safe and effective apparatuses that can withstand the stresses of athletic performance.In conclusion, the concept of dynamic load encompasses a wide range of applications across various fields of engineering and physics. Whether it is in the construction of resilient buildings, the design of reliable machinery, or the creation of safe sports equipment, understanding dynamic load is essential. By accurately predicting and analyzing these loads, engineers can ensure the safety, functionality, and durability of structures and devices that we rely on every day.

在工程和物理学中，动态载荷的概念指的是施加在结构或物体上的力，这些力随时间变化，幅度和方向也可能不同。与静态载荷不同，静态载荷保持不变，动态载荷涉及运动和变化，因此工程师在设计桥梁、建筑物和车辆等结构时，必须考虑这一点。理解动态载荷的重要性不容忽视，因为它在确保在变化条件下的安全性和稳定性方面发挥着重要作用。例如，当一辆车经过桥梁时，车辆的重量对桥梁结构施加了动态载荷。随着车辆加速、减速或遇到颠簸，施加在桥梁上的力会发生变化。工程师必须计算这些变化的力，以确保桥梁不仅能够承受车辆的重量，还能承受由于车辆运动造成的额外压力。如果不考虑动态载荷，可能会导致灾难性的结构失败。此外，动态载荷不仅限于车辆交通。风力、地震活动甚至人类活动都可能给结构引入动态载荷。例如，在地震期间，地面运动会产生快速变化的力，结构必须设计成能够承受这些力。这就是为什么在地震多发地区的建筑通常采用灵活的设计和材料，以吸收和消散来自动态载荷的能量。在机械工程领域，动态载荷同样重要。机器和工具在操作过程中经历变化的载荷，这可能导致随着时间的推移而磨损。例如，电机中的旋转轴由于不平衡的力、振动和速度变化而经历动态载荷。工程师必须分析这些载荷，以防止过早的故障并确保机械的耐用性。动态载荷的研究在运动器材设计中也至关重要。例如，当体操运动员在平衡木上表演时，施加在木梁上的力随着每个动作而迅速变化。设备设计师必须理解这些动态载荷，以创造安全有效的器材，能够承受运动表现带来的压力。总之，动态载荷的概念涵盖了各个工程和物理领域的广泛应用。无论是在坚固建筑的建设中、可靠机械的设计中，还是在安全运动器材的创造中，理解动态载荷都是必不可少的。通过准确预测和分析这些载荷，工程师可以确保我们每天依赖的结构和设备的安全性、功能性和耐用性。