LDS：低动刚度
“低动刚度（Low Dynamic Stiffness，常缩写为LDS）”是工程与材料科学中常见的术语，用于描述材料或结构在动态载荷下抵抗变形的能力较弱。这一概念广泛应用于振动分析、机械设计和结构优化等多个技术领域，有助于评估系统在周期性或冲击性负载下的响应特性。使用缩写LDS可以简化专业文档与技术交流，提高表述效率。
Low Dynamic Stiffness具体释义
Low Dynamic Stiffness的英文发音
例句
- There are certain limitations about the conventional rubber mount in the isolation characteristics, the engine mount requirements of the low dynamic stiffness on high-frequency vibration and damping of high on low-frequency vibration is actually a pair of contradictory body.
- 常规的橡胶悬置在隔振特性上存在着一定的局限性，对发动机悬置在高频振动时具有低的动刚度，低频振动时具有高的阻尼系数的要求实际上是一对矛盾体。
- In the P.R. China, although domestic scholars and designers have gotten some research fruits, most of he parallel machine tools which we have developed have not yet reached the level of practical products and have common problems of low dynamic stiffness and machining precision.
- 我国在并联机床的研究方面也取得了一些阶段性成果，但目前我国已开发的大多数并联机床尚未达到实用产品水平，均存在动态刚度和加工精度低的共同问题。
- Direct drive technology eliminates the middle transmission parts and has the merits of large thrust, low friction, high dynamic stiffness and high positioning precision.
- 直接驱动技术消除了传统伺服系统中间传动环节，具有推力大、摩擦力小、动态刚度和定位精度高等特点。
- Three concrete beams are tested under low cycle fatigue loads. The concepts of dynamic module and damage variable are introduced to the decrease rule of stiffness caused by the fatigue cumulative of concrete beams.
- 通过混凝土梁的低周疲劳破坏试验，引入动态模量和损伤变量的概念，研究了混凝土梁由于疲劳累积损伤而造成的刚度衰减规律。
- Engineering structures are usually excited by non-stationary ambient loads, the ratio of signal to noise is low in dynamic detection. Most of structures in civil engineering are nonlinear. Once a structural element is damaged, the stiffness of that element is reduced.
- 但是实际工程结构所受激励大多为非平稳的，实际测试信号的信噪比低，且大多数土木工程结构为非线性结构，一旦结构出现损伤，其刚度降低，表现为时变结构。
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