3D velocity field

简明释义

三维速度场;

英英释义

例句

1.The simulation provided insights into the 3D velocity field 三维速度场 of the blood flow in arteries.

该模拟提供了关于动脉中血流的3D velocity field 三维速度场 的见解。

2.The researchers used a computational model to simulate the 3D velocity field 三维速度场 of the ocean currents.

研究人员使用计算模型模拟了海洋洋流的3D velocity field 三维速度场。

3.In fluid dynamics, understanding the 3D velocity field 三维速度场 is crucial for predicting turbulence.

在流体动力学中，理解3D velocity field 三维速度场 对预测湍流至关重要。

4.The 3D velocity field 三维速度场 was visualized using advanced software to analyze wind patterns.

使用先进软件可视化了3D velocity field 三维速度场 以分析风的模式。

5.Engineers studied the 3D velocity field 三维速度场 around the aircraft to improve its aerodynamic design.

工程师研究了飞机周围的3D velocity field 三维速度场 以改善其空气动力学设计。

作文

In the field of fluid dynamics, understanding the motion of fluids is crucial for a variety of applications, from engineering to environmental science. One of the key concepts that researchers and engineers often encounter is the 3D velocity field. This term refers to a mathematical representation of the velocity of a fluid at every point in three-dimensional space. Essentially, it provides a comprehensive picture of how the fluid is moving throughout a given volume. The 3D velocity field can be visualized as a grid where each point has a vector indicating the speed and direction of the fluid flow at that specific location.To grasp the significance of the 3D velocity field, consider a simple example: the flow of water in a river. The velocity of the water varies not only across the surface but also at different depths, influenced by factors such as obstacles, changes in channel shape, and the effects of gravity. By mapping the 3D velocity field of the river, scientists can predict how pollutants disperse, assess the impact of construction projects on aquatic ecosystems, and optimize designs for dams and bridges.The mathematical formulation of the 3D velocity field often involves partial differential equations, which describe how the velocity changes over time and space. These equations are derived from the fundamental principles of conservation of mass, momentum, and energy. Numerical methods and computational fluid dynamics (CFD) simulations are frequently employed to solve these equations, allowing researchers to visualize the 3D velocity field in complex scenarios where analytical solutions are difficult or impossible to obtain.Moreover, the 3D velocity field is not limited to liquids; it is equally applicable to gases. For instance, meteorologists use the concept to model wind patterns within the atmosphere. By analyzing the 3D velocity field of air masses, they can forecast weather events, study climate change, and understand phenomena like tornadoes and hurricanes. The ability to accurately represent the 3D velocity field of the atmosphere is essential for improving predictive models and mitigating the impacts of severe weather.In addition to its applications in environmental science and engineering, the 3D velocity field also plays a vital role in biomedical research. In the study of blood flow, for example, understanding the 3D velocity field within arteries and veins can lead to better diagnoses and treatments for cardiovascular diseases. Medical imaging techniques, such as Doppler ultrasound, can provide real-time data on the 3D velocity field of blood flow, enabling healthcare professionals to monitor patients more effectively.In conclusion, the 3D velocity field is a fundamental concept in fluid dynamics that has far-reaching implications across various fields. Its ability to represent the velocity of fluids in three-dimensional space allows for enhanced understanding and prediction of fluid behavior in natural and engineered systems. As technology advances and computational power increases, the analysis and visualization of the 3D velocity field will continue to evolve, leading to new discoveries and innovations that can benefit society as a whole.

在流体动力学领域，理解流体的运动对于各种应用至关重要，从工程到环境科学。研究人员和工程师经常遇到的一个关键概念是3D velocity field（三维速度场）。这个术语指的是流体在三维空间中每个点的速度的数学表示。基本上，它提供了一个全面的图像，展示了流体在给定体积内的运动情况。3D velocity field可以被视为一个网格，其中每个点都有一个向量，指示该特定位置流体流动的速度和方向。为了理解3D velocity field的重要性，可以考虑一个简单的例子：河流中的水流。水的速度不仅在表面上变化，而且在不同深度处也会有所不同，受到障碍物、河道形状变化和重力等因素的影响。通过绘制河流的3D velocity field，科学家可以预测污染物的扩散，评估建筑项目对水生生态系统的影响，并优化大坝和桥梁的设计。3D velocity field的数学公式通常涉及偏微分方程，这些方程描述了速度如何随时间和空间变化。这些方程是根据质量、动量和能量守恒的基本原理推导出来的。数值方法和计算流体动力学（CFD）模拟通常用于求解这些方程，使研究人员能够在复杂情况下可视化3D velocity field，而这些情况下解析解很难或不可能获得。此外，3D velocity field不仅限于液体；它同样适用于气体。例如，气象学家使用该概念来模拟大气中的风模式。通过分析气团的3D velocity field，他们可以预测天气事件，研究气候变化，并了解龙卷风和飓风等现象。准确表示大气的3D velocity field对于改善预测模型和减轻严重天气影响至关重要。除了在环境科学和工程中的应用外，3D velocity field在生物医学研究中也发挥着重要作用。在血流研究中，例如，理解动脉和静脉内的3D velocity field可以导致更好的心血管疾病诊断和治疗。医学成像技术，如多普勒超声，可以提供血流的3D velocity field的实时数据，使医疗专业人员能够更有效地监测患者。总之，3D velocity field是流体动力学中的一个基本概念，在各个领域具有深远的影响。它能够在三维空间中表示流体的速度，从而增强对自然和工程系统中流体行为的理解和预测。随着技术的进步和计算能力的提高，3D velocity field的分析和可视化将继续发展，带来新的发现和创新，造福整个社会。